1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */
2b8b572e1SStephen Rothwell /*
3b8b572e1SStephen Rothwell * Contains the definition of registers common to all PowerPC variants.
4b8b572e1SStephen Rothwell * If a register definition has been changed in a different PowerPC
5b8b572e1SStephen Rothwell * variant, we will case it in #ifndef XXX ... #endif, and have the
6b8b572e1SStephen Rothwell * number used in the Programming Environments Manual For 32-Bit
7b8b572e1SStephen Rothwell * Implementations of the PowerPC Architecture (a.k.a. Green Book) here.
8b8b572e1SStephen Rothwell */
9b8b572e1SStephen Rothwell
10b8b572e1SStephen Rothwell #ifndef _ASM_POWERPC_REG_H
11b8b572e1SStephen Rothwell #define _ASM_POWERPC_REG_H
12b8b572e1SStephen Rothwell #ifdef __KERNEL__
13b8b572e1SStephen Rothwell
14b8b572e1SStephen Rothwell #include <linux/stringify.h>
15443359aeSAthira Rajeev #include <linux/const.h>
16b8b572e1SStephen Rothwell #include <asm/cputable.h>
17ec0c464cSChristophe Leroy #include <asm/asm-const.h>
182c86cd18SChristophe Leroy #include <asm/feature-fixups.h>
19b8b572e1SStephen Rothwell
20b8b572e1SStephen Rothwell /* Pickup Book E specific registers. */
21047a6fd4SChristophe Leroy #ifdef CONFIG_BOOKE_OR_40x
22b8b572e1SStephen Rothwell #include <asm/reg_booke.h>
23047a6fd4SChristophe Leroy #endif
24b8b572e1SStephen Rothwell
25b8b572e1SStephen Rothwell #ifdef CONFIG_FSL_EMB_PERFMON
26b8b572e1SStephen Rothwell #include <asm/reg_fsl_emb.h>
27b8b572e1SStephen Rothwell #endif
28b8b572e1SStephen Rothwell
29b8b572e1SStephen Rothwell #include <asm/reg_8xx.h>
30b8b572e1SStephen Rothwell
31b8b572e1SStephen Rothwell #define MSR_SF_LG 63 /* Enable 64 bit mode */
32b8b572e1SStephen Rothwell #define MSR_HV_LG 60 /* Hypervisor state */
3397a0aac9SMichael Neuling #define MSR_TS_T_LG 34 /* Trans Mem state: Transactional */
3497a0aac9SMichael Neuling #define MSR_TS_S_LG 33 /* Trans Mem state: Suspended */
3597a0aac9SMichael Neuling #define MSR_TS_LG 33 /* Trans Mem state (2 bits) */
3697a0aac9SMichael Neuling #define MSR_TM_LG 32 /* Trans Mem Available */
37b8b572e1SStephen Rothwell #define MSR_VEC_LG 25 /* Enable AltiVec */
38b8b572e1SStephen Rothwell #define MSR_VSX_LG 23 /* Enable VSX */
397f70c381SSukadev Bhattiprolu #define MSR_S_LG 22 /* Secure state */
40b8b572e1SStephen Rothwell #define MSR_POW_LG 18 /* Enable Power Management */
41b8b572e1SStephen Rothwell #define MSR_WE_LG 18 /* Wait State Enable */
42b8b572e1SStephen Rothwell #define MSR_TGPR_LG 17 /* TLB Update registers in use */
43b8b572e1SStephen Rothwell #define MSR_CE_LG 17 /* Critical Interrupt Enable */
44b8b572e1SStephen Rothwell #define MSR_ILE_LG 16 /* Interrupt Little Endian */
45b8b572e1SStephen Rothwell #define MSR_EE_LG 15 /* External Interrupt Enable */
46b8b572e1SStephen Rothwell #define MSR_PR_LG 14 /* Problem State / Privilege Level */
47b8b572e1SStephen Rothwell #define MSR_FP_LG 13 /* Floating Point enable */
48b8b572e1SStephen Rothwell #define MSR_ME_LG 12 /* Machine Check Enable */
49b8b572e1SStephen Rothwell #define MSR_FE0_LG 11 /* Floating Exception mode 0 */
50b8b572e1SStephen Rothwell #define MSR_SE_LG 10 /* Single Step */
51b8b572e1SStephen Rothwell #define MSR_BE_LG 9 /* Branch Trace */
52b8b572e1SStephen Rothwell #define MSR_DE_LG 9 /* Debug Exception Enable */
53b8b572e1SStephen Rothwell #define MSR_FE1_LG 8 /* Floating Exception mode 1 */
54b8b572e1SStephen Rothwell #define MSR_IP_LG 6 /* Exception prefix 0x000/0xFFF */
55b8b572e1SStephen Rothwell #define MSR_IR_LG 5 /* Instruction Relocate */
56b8b572e1SStephen Rothwell #define MSR_DR_LG 4 /* Data Relocate */
57b8b572e1SStephen Rothwell #define MSR_PE_LG 3 /* Protection Enable */
58b8b572e1SStephen Rothwell #define MSR_PX_LG 2 /* Protection Exclusive Mode */
59b8b572e1SStephen Rothwell #define MSR_PMM_LG 2 /* Performance monitor */
60b8b572e1SStephen Rothwell #define MSR_RI_LG 1 /* Recoverable Exception */
61b8b572e1SStephen Rothwell #define MSR_LE_LG 0 /* Little Endian */
62b8b572e1SStephen Rothwell
63b8b572e1SStephen Rothwell #ifdef __ASSEMBLY__
64b8b572e1SStephen Rothwell #define __MASK(X) (1<<(X))
65b8b572e1SStephen Rothwell #else
66b8b572e1SStephen Rothwell #define __MASK(X) (1UL<<(X))
67b8b572e1SStephen Rothwell #endif
68b8b572e1SStephen Rothwell
69b8b572e1SStephen Rothwell #ifdef CONFIG_PPC64
70b8b572e1SStephen Rothwell #define MSR_SF __MASK(MSR_SF_LG) /* Enable 64 bit mode */
71b8b572e1SStephen Rothwell #define MSR_HV __MASK(MSR_HV_LG) /* Hypervisor state */
727f70c381SSukadev Bhattiprolu #define MSR_S __MASK(MSR_S_LG) /* Secure state */
73b8b572e1SStephen Rothwell #else
74b8b572e1SStephen Rothwell /* so tests for these bits fail on 32-bit */
75b8b572e1SStephen Rothwell #define MSR_SF 0
76b8b572e1SStephen Rothwell #define MSR_HV 0
777f70c381SSukadev Bhattiprolu #define MSR_S 0
78b8b572e1SStephen Rothwell #endif
79b8b572e1SStephen Rothwell
80de2a20aaSCyril Bur /*
81de2a20aaSCyril Bur * To be used in shared book E/book S, this avoids needing to worry about
82de2a20aaSCyril Bur * book S/book E in shared code
83de2a20aaSCyril Bur */
84de2a20aaSCyril Bur #ifndef MSR_SPE
85de2a20aaSCyril Bur #define MSR_SPE 0
86de2a20aaSCyril Bur #endif
87de2a20aaSCyril Bur
88b8b572e1SStephen Rothwell #define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */
89b8b572e1SStephen Rothwell #define MSR_VSX __MASK(MSR_VSX_LG) /* Enable VSX */
90b8b572e1SStephen Rothwell #define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */
91b8b572e1SStephen Rothwell #define MSR_WE __MASK(MSR_WE_LG) /* Wait State Enable */
92b8b572e1SStephen Rothwell #define MSR_TGPR __MASK(MSR_TGPR_LG) /* TLB Update registers in use */
93b8b572e1SStephen Rothwell #define MSR_CE __MASK(MSR_CE_LG) /* Critical Interrupt Enable */
94b8b572e1SStephen Rothwell #define MSR_ILE __MASK(MSR_ILE_LG) /* Interrupt Little Endian */
95b8b572e1SStephen Rothwell #define MSR_EE __MASK(MSR_EE_LG) /* External Interrupt Enable */
96b8b572e1SStephen Rothwell #define MSR_PR __MASK(MSR_PR_LG) /* Problem State / Privilege Level */
97b8b572e1SStephen Rothwell #define MSR_FP __MASK(MSR_FP_LG) /* Floating Point enable */
98b8b572e1SStephen Rothwell #define MSR_ME __MASK(MSR_ME_LG) /* Machine Check Enable */
99b8b572e1SStephen Rothwell #define MSR_FE0 __MASK(MSR_FE0_LG) /* Floating Exception mode 0 */
100b8b572e1SStephen Rothwell #define MSR_SE __MASK(MSR_SE_LG) /* Single Step */
101b8b572e1SStephen Rothwell #define MSR_BE __MASK(MSR_BE_LG) /* Branch Trace */
102b8b572e1SStephen Rothwell #define MSR_DE __MASK(MSR_DE_LG) /* Debug Exception Enable */
103b8b572e1SStephen Rothwell #define MSR_FE1 __MASK(MSR_FE1_LG) /* Floating Exception mode 1 */
104b8b572e1SStephen Rothwell #define MSR_IP __MASK(MSR_IP_LG) /* Exception prefix 0x000/0xFFF */
105b8b572e1SStephen Rothwell #define MSR_IR __MASK(MSR_IR_LG) /* Instruction Relocate */
106b8b572e1SStephen Rothwell #define MSR_DR __MASK(MSR_DR_LG) /* Data Relocate */
107b8b572e1SStephen Rothwell #define MSR_PE __MASK(MSR_PE_LG) /* Protection Enable */
108b8b572e1SStephen Rothwell #define MSR_PX __MASK(MSR_PX_LG) /* Protection Exclusive Mode */
109b8b572e1SStephen Rothwell #ifndef MSR_PMM
110b8b572e1SStephen Rothwell #define MSR_PMM __MASK(MSR_PMM_LG) /* Performance monitor */
111b8b572e1SStephen Rothwell #endif
112b8b572e1SStephen Rothwell #define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */
113b8b572e1SStephen Rothwell #define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */
114b8b572e1SStephen Rothwell
11597a0aac9SMichael Neuling #define MSR_TM __MASK(MSR_TM_LG) /* Transactional Mem Available */
11697a0aac9SMichael Neuling #define MSR_TS_N 0 /* Non-transactional */
11797a0aac9SMichael Neuling #define MSR_TS_S __MASK(MSR_TS_S_LG) /* Transaction Suspended */
11897a0aac9SMichael Neuling #define MSR_TS_T __MASK(MSR_TS_T_LG) /* Transaction Transactional */
11997a0aac9SMichael Neuling #define MSR_TS_MASK (MSR_TS_T | MSR_TS_S) /* Transaction State bits */
120d2b9d2a5SMichael Neuling #define MSR_TM_RESV(x) (((x) & MSR_TS_MASK) == MSR_TS_MASK) /* Reserved */
12197a0aac9SMichael Neuling #define MSR_TM_TRANSACTIONAL(x) (((x) & MSR_TS_MASK) == MSR_TS_T)
12297a0aac9SMichael Neuling #define MSR_TM_SUSPENDED(x) (((x) & MSR_TS_MASK) == MSR_TS_S)
12397a0aac9SMichael Neuling
1245c784c84SBreno Leitao #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
1255c784c84SBreno Leitao #define MSR_TM_ACTIVE(x) (((x) & MSR_TS_MASK) != 0) /* Transaction active? */
1265c784c84SBreno Leitao #else
1271a130b67SChristopher M. Riedl #define MSR_TM_ACTIVE(x) ((void)(x), 0)
1285c784c84SBreno Leitao #endif
1295c784c84SBreno Leitao
1300257c99cSBenjamin Herrenschmidt #if defined(CONFIG_PPC_BOOK3S_64)
1319d4a2925SMichael Ellerman #define MSR_64BIT MSR_SF
1329d4a2925SMichael Ellerman
1330257c99cSBenjamin Herrenschmidt /* Server variant */
134e89a8ca9SNicholas Piggin #define __MSR (MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_HV)
135ef1967ffSAnton Blanchard #ifdef __BIG_ENDIAN__
136ef1967ffSAnton Blanchard #define MSR_ __MSR
1378117ac6aSPaul Mackerras #define MSR_IDLE (MSR_ME | MSR_SF | MSR_HV)
138ef1967ffSAnton Blanchard #else
139ef1967ffSAnton Blanchard #define MSR_ (__MSR | MSR_LE)
1408117ac6aSPaul Mackerras #define MSR_IDLE (MSR_ME | MSR_SF | MSR_HV | MSR_LE)
141ef1967ffSAnton Blanchard #endif
142594bd383SAnton Blanchard #define MSR_KERNEL (MSR_ | MSR_64BIT)
143594bd383SAnton Blanchard #define MSR_USER32 (MSR_ | MSR_PR | MSR_EE)
144594bd383SAnton Blanchard #define MSR_USER64 (MSR_USER32 | MSR_64BIT)
145968159c0SChristophe Leroy #elif defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_8xx)
146b8b572e1SStephen Rothwell /* Default MSR for kernel mode. */
147b8b572e1SStephen Rothwell #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR)
148b8b572e1SStephen Rothwell #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE)
149b8b572e1SStephen Rothwell #endif
150b8b572e1SStephen Rothwell
1519d4a2925SMichael Ellerman #ifndef MSR_64BIT
1529d4a2925SMichael Ellerman #define MSR_64BIT 0
1539d4a2925SMichael Ellerman #endif
1549d4a2925SMichael Ellerman
155ab3759b5SSimon Guo /* Condition Register related */
156ab3759b5SSimon Guo #define CR0_SHIFT 28
157ab3759b5SSimon Guo #define CR0_MASK 0xF
158ab3759b5SSimon Guo #define CR0_TBEGIN_FAILURE (0x2 << 28) /* 0b0010 */
159ab3759b5SSimon Guo
160ab3759b5SSimon Guo
161bcef83a0SShreyas B. Prabhu /* Power Management - Processor Stop Status and Control Register Fields */
162bcef83a0SShreyas B. Prabhu #define PSSCR_RL_MASK 0x0000000F /* Requested Level */
163bcef83a0SShreyas B. Prabhu #define PSSCR_MTL_MASK 0x000000F0 /* Maximum Transition Level */
164bcef83a0SShreyas B. Prabhu #define PSSCR_TR_MASK 0x00000300 /* Transition State */
165bcef83a0SShreyas B. Prabhu #define PSSCR_PSLL_MASK 0x000F0000 /* Power-Saving Level Limit */
166bcef83a0SShreyas B. Prabhu #define PSSCR_EC 0x00100000 /* Exit Criterion */
167bcef83a0SShreyas B. Prabhu #define PSSCR_ESL 0x00200000 /* Enable State Loss */
168bcef83a0SShreyas B. Prabhu #define PSSCR_SD 0x00400000 /* Status Disable */
1697fd317f8SPaul Mackerras #define PSSCR_PLS 0xf000000000000000 /* Power-saving Level Status */
17010d91611SNicholas Piggin #define PSSCR_PLS_SHIFT 60
1710abb75b7SNicholas Mc Guire #define PSSCR_GUEST_VIS 0xf0000000000003ffUL /* Guest-visible PSSCR fields */
1724bb3c7a0SPaul Mackerras #define PSSCR_FAKE_SUSPEND 0x00000400 /* Fake-suspend bit (P9 DD2.2) */
1734bb3c7a0SPaul Mackerras #define PSSCR_FAKE_SUSPEND_LG 10 /* Fake-suspend bit position */
174bcef83a0SShreyas B. Prabhu
175b8b572e1SStephen Rothwell /* Floating Point Status and Control Register (FPSCR) Fields */
176b8b572e1SStephen Rothwell #define FPSCR_FX 0x80000000 /* FPU exception summary */
177b8b572e1SStephen Rothwell #define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */
178b8b572e1SStephen Rothwell #define FPSCR_VX 0x20000000 /* Invalid operation summary */
179b8b572e1SStephen Rothwell #define FPSCR_OX 0x10000000 /* Overflow exception summary */
180b8b572e1SStephen Rothwell #define FPSCR_UX 0x08000000 /* Underflow exception summary */
181b8b572e1SStephen Rothwell #define FPSCR_ZX 0x04000000 /* Zero-divide exception summary */
182b8b572e1SStephen Rothwell #define FPSCR_XX 0x02000000 /* Inexact exception summary */
183b8b572e1SStephen Rothwell #define FPSCR_VXSNAN 0x01000000 /* Invalid op for SNaN */
184b8b572e1SStephen Rothwell #define FPSCR_VXISI 0x00800000 /* Invalid op for Inv - Inv */
185b8b572e1SStephen Rothwell #define FPSCR_VXIDI 0x00400000 /* Invalid op for Inv / Inv */
186b8b572e1SStephen Rothwell #define FPSCR_VXZDZ 0x00200000 /* Invalid op for Zero / Zero */
187b8b572e1SStephen Rothwell #define FPSCR_VXIMZ 0x00100000 /* Invalid op for Inv * Zero */
188b8b572e1SStephen Rothwell #define FPSCR_VXVC 0x00080000 /* Invalid op for Compare */
189b8b572e1SStephen Rothwell #define FPSCR_FR 0x00040000 /* Fraction rounded */
190b8b572e1SStephen Rothwell #define FPSCR_FI 0x00020000 /* Fraction inexact */
191b8b572e1SStephen Rothwell #define FPSCR_FPRF 0x0001f000 /* FPU Result Flags */
192b8b572e1SStephen Rothwell #define FPSCR_FPCC 0x0000f000 /* FPU Condition Codes */
193b8b572e1SStephen Rothwell #define FPSCR_VXSOFT 0x00000400 /* Invalid op for software request */
194b8b572e1SStephen Rothwell #define FPSCR_VXSQRT 0x00000200 /* Invalid op for square root */
195b8b572e1SStephen Rothwell #define FPSCR_VXCVI 0x00000100 /* Invalid op for integer convert */
196b8b572e1SStephen Rothwell #define FPSCR_VE 0x00000080 /* Invalid op exception enable */
197b8b572e1SStephen Rothwell #define FPSCR_OE 0x00000040 /* IEEE overflow exception enable */
198b8b572e1SStephen Rothwell #define FPSCR_UE 0x00000020 /* IEEE underflow exception enable */
199b8b572e1SStephen Rothwell #define FPSCR_ZE 0x00000010 /* IEEE zero divide exception enable */
200b8b572e1SStephen Rothwell #define FPSCR_XE 0x00000008 /* FP inexact exception enable */
201b8b572e1SStephen Rothwell #define FPSCR_NI 0x00000004 /* FPU non IEEE-Mode */
202b8b572e1SStephen Rothwell #define FPSCR_RN 0x00000003 /* FPU rounding control */
203b8b572e1SStephen Rothwell
20439fd0932SKumar Gala /* Bit definitions for SPEFSCR. */
20539fd0932SKumar Gala #define SPEFSCR_SOVH 0x80000000 /* Summary integer overflow high */
20639fd0932SKumar Gala #define SPEFSCR_OVH 0x40000000 /* Integer overflow high */
20739fd0932SKumar Gala #define SPEFSCR_FGH 0x20000000 /* Embedded FP guard bit high */
20839fd0932SKumar Gala #define SPEFSCR_FXH 0x10000000 /* Embedded FP sticky bit high */
20939fd0932SKumar Gala #define SPEFSCR_FINVH 0x08000000 /* Embedded FP invalid operation high */
21039fd0932SKumar Gala #define SPEFSCR_FDBZH 0x04000000 /* Embedded FP div by zero high */
21139fd0932SKumar Gala #define SPEFSCR_FUNFH 0x02000000 /* Embedded FP underflow high */
21239fd0932SKumar Gala #define SPEFSCR_FOVFH 0x01000000 /* Embedded FP overflow high */
21339fd0932SKumar Gala #define SPEFSCR_FINXS 0x00200000 /* Embedded FP inexact sticky */
21439fd0932SKumar Gala #define SPEFSCR_FINVS 0x00100000 /* Embedded FP invalid op. sticky */
21539fd0932SKumar Gala #define SPEFSCR_FDBZS 0x00080000 /* Embedded FP div by zero sticky */
21639fd0932SKumar Gala #define SPEFSCR_FUNFS 0x00040000 /* Embedded FP underflow sticky */
21739fd0932SKumar Gala #define SPEFSCR_FOVFS 0x00020000 /* Embedded FP overflow sticky */
21839fd0932SKumar Gala #define SPEFSCR_MODE 0x00010000 /* Embedded FP mode */
21939fd0932SKumar Gala #define SPEFSCR_SOV 0x00008000 /* Integer summary overflow */
22039fd0932SKumar Gala #define SPEFSCR_OV 0x00004000 /* Integer overflow */
22139fd0932SKumar Gala #define SPEFSCR_FG 0x00002000 /* Embedded FP guard bit */
22239fd0932SKumar Gala #define SPEFSCR_FX 0x00001000 /* Embedded FP sticky bit */
22339fd0932SKumar Gala #define SPEFSCR_FINV 0x00000800 /* Embedded FP invalid operation */
22439fd0932SKumar Gala #define SPEFSCR_FDBZ 0x00000400 /* Embedded FP div by zero */
22539fd0932SKumar Gala #define SPEFSCR_FUNF 0x00000200 /* Embedded FP underflow */
22639fd0932SKumar Gala #define SPEFSCR_FOVF 0x00000100 /* Embedded FP overflow */
22739fd0932SKumar Gala #define SPEFSCR_FINXE 0x00000040 /* Embedded FP inexact enable */
22839fd0932SKumar Gala #define SPEFSCR_FINVE 0x00000020 /* Embedded FP invalid op. enable */
22939fd0932SKumar Gala #define SPEFSCR_FDBZE 0x00000010 /* Embedded FP div by zero enable */
23039fd0932SKumar Gala #define SPEFSCR_FUNFE 0x00000008 /* Embedded FP underflow enable */
23139fd0932SKumar Gala #define SPEFSCR_FOVFE 0x00000004 /* Embedded FP overflow enable */
23239fd0932SKumar Gala #define SPEFSCR_FRMC 0x00000003 /* Embedded FP rounding mode control */
23339fd0932SKumar Gala
234b8b572e1SStephen Rothwell /* Special Purpose Registers (SPRNs)*/
2356edc642eSTseng-Hui (Frank) Lin
2366edc642eSTseng-Hui (Frank) Lin #ifdef CONFIG_40x
2376edc642eSTseng-Hui (Frank) Lin #define SPRN_PID 0x3B1 /* Process ID */
2386edc642eSTseng-Hui (Frank) Lin #else
2396edc642eSTseng-Hui (Frank) Lin #define SPRN_PID 0x030 /* Process ID */
2406edc642eSTseng-Hui (Frank) Lin #ifdef CONFIG_BOOKE
2416edc642eSTseng-Hui (Frank) Lin #define SPRN_PID0 SPRN_PID/* Process ID Register 0 */
2426edc642eSTseng-Hui (Frank) Lin #endif
2436edc642eSTseng-Hui (Frank) Lin #endif
2446edc642eSTseng-Hui (Frank) Lin
245b8b572e1SStephen Rothwell #define SPRN_CTR 0x009 /* Count Register */
246b8b572e1SStephen Rothwell #define SPRN_DSCR 0x11
24748404f2eSPaul Mackerras #define SPRN_CFAR 0x1c /* Come From Address Register */
248de56a948SPaul Mackerras #define SPRN_AMR 0x1d /* Authority Mask Register */
249de56a948SPaul Mackerras #define SPRN_UAMOR 0x9d /* User Authority Mask Override Register */
250de56a948SPaul Mackerras #define SPRN_AMOR 0x15d /* Authority Mask Override Register */
251851d2e2fSTseng-Hui (Frank) Lin #define SPRN_ACOP 0x1F /* Available Coprocessor Register */
25297a0aac9SMichael Neuling #define SPRN_TFIAR 0x81 /* Transaction Failure Inst Addr */
25397a0aac9SMichael Neuling #define SPRN_TEXASR 0x82 /* Transaction EXception & Summary */
25497a0aac9SMichael Neuling #define SPRN_TEXASRU 0x83 /* '' '' '' Upper 32 */
255ab3759b5SSimon Guo
256ab3759b5SSimon Guo #define TEXASR_FC_LG (63 - 7) /* Failure Code */
257ab3759b5SSimon Guo #define TEXASR_AB_LG (63 - 31) /* Abort */
258ab3759b5SSimon Guo #define TEXASR_SU_LG (63 - 32) /* Suspend */
259ab3759b5SSimon Guo #define TEXASR_HV_LG (63 - 34) /* Hypervisor state*/
260ab3759b5SSimon Guo #define TEXASR_PR_LG (63 - 35) /* Privilege level */
261ab3759b5SSimon Guo #define TEXASR_FS_LG (63 - 36) /* failure summary */
262ab3759b5SSimon Guo #define TEXASR_EX_LG (63 - 37) /* TFIAR exact bit */
263ab3759b5SSimon Guo #define TEXASR_ROT_LG (63 - 38) /* ROT bit */
264ab3759b5SSimon Guo
265ab3759b5SSimon Guo #define TEXASR_ABORT __MASK(TEXASR_AB_LG) /* terminated by tabort or treclaim */
266ab3759b5SSimon Guo #define TEXASR_SUSP __MASK(TEXASR_SU_LG) /* tx failed in suspended state */
267ab3759b5SSimon Guo #define TEXASR_HV __MASK(TEXASR_HV_LG) /* MSR[HV] when failure occurred */
268ab3759b5SSimon Guo #define TEXASR_PR __MASK(TEXASR_PR_LG) /* MSR[PR] when failure occurred */
269ab3759b5SSimon Guo #define TEXASR_FS __MASK(TEXASR_FS_LG) /* TEXASR Failure Summary */
270ab3759b5SSimon Guo #define TEXASR_EXACT __MASK(TEXASR_EX_LG) /* TFIAR value is exact */
271ab3759b5SSimon Guo #define TEXASR_ROT __MASK(TEXASR_ROT_LG)
272ab3759b5SSimon Guo #define TEXASR_FC (ASM_CONST(0xFF) << TEXASR_FC_LG)
273ab3759b5SSimon Guo
27497a0aac9SMichael Neuling #define SPRN_TFHAR 0x80 /* Transaction Failure Handler Addr */
275ab3759b5SSimon Guo
2767fd317f8SPaul Mackerras #define SPRN_TIDR 144 /* Thread ID register */
277b8b572e1SStephen Rothwell #define SPRN_CTRLF 0x088
278b8b572e1SStephen Rothwell #define SPRN_CTRLT 0x098
279b8b572e1SStephen Rothwell #define CTRL_CT 0xc0000000 /* current thread */
280b8b572e1SStephen Rothwell #define CTRL_CT0 0x80000000 /* thread 0 */
281b8b572e1SStephen Rothwell #define CTRL_CT1 0x40000000 /* thread 1 */
282b8b572e1SStephen Rothwell #define CTRL_TE 0x00c00000 /* thread enable */
283b8b572e1SStephen Rothwell #define CTRL_RUNLATCH 0x1
28409f82b06SRavi Bangoria #define SPRN_DAWR0 0xB4
2854a4ec228SRavi Bangoria #define SPRN_DAWR1 0xB5
286e2186023SMichael Ellerman #define SPRN_RPR 0xBA /* Relative Priority Register */
287b005255eSMichael Neuling #define SPRN_CIABR 0xBB
288b005255eSMichael Neuling #define CIABR_PRIV 0x3
289b005255eSMichael Neuling #define CIABR_PRIV_USER 1
290b005255eSMichael Neuling #define CIABR_PRIV_SUPER 2
291b005255eSMichael Neuling #define CIABR_PRIV_HYPER 3
29209f82b06SRavi Bangoria #define SPRN_DAWRX0 0xBC
2934a4ec228SRavi Bangoria #define SPRN_DAWRX1 0xBD
2948563bf52SPaul Mackerras #define DAWRX_USER __MASK(0)
2958563bf52SPaul Mackerras #define DAWRX_KERNEL __MASK(1)
2968563bf52SPaul Mackerras #define DAWRX_HYP __MASK(2)
2978563bf52SPaul Mackerras #define DAWRX_WTI __MASK(3)
2988563bf52SPaul Mackerras #define DAWRX_WT __MASK(4)
2998563bf52SPaul Mackerras #define DAWRX_DR __MASK(5)
3008563bf52SPaul Mackerras #define DAWRX_DW __MASK(6)
301b8b572e1SStephen Rothwell #define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */
302b8b572e1SStephen Rothwell #define SPRN_DABR2 0x13D /* e300 */
303b8b572e1SStephen Rothwell #define SPRN_DABRX 0x3F7 /* Data Address Breakpoint Register Extension */
3048563bf52SPaul Mackerras #define DABRX_USER __MASK(0)
3058563bf52SPaul Mackerras #define DABRX_KERNEL __MASK(1)
3068563bf52SPaul Mackerras #define DABRX_HYP __MASK(2)
3078563bf52SPaul Mackerras #define DABRX_BTI __MASK(3)
3084474ef05SMichael Neuling #define DABRX_ALL (DABRX_BTI | DABRX_HYP | DABRX_KERNEL | DABRX_USER)
309b8b572e1SStephen Rothwell #define SPRN_DAR 0x013 /* Data Address Register */
310b8b572e1SStephen Rothwell #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */
311b8b572e1SStephen Rothwell #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
312870cfe77SBenjamin Herrenschmidt #define DSISR_BAD_DIRECT_ST 0x80000000 /* Obsolete: Direct store error */
313b8b572e1SStephen Rothwell #define DSISR_NOHPTE 0x40000000 /* no translation found */
314870cfe77SBenjamin Herrenschmidt #define DSISR_ATTR_CONFLICT 0x20000000 /* P9: Process vs. Partition attr */
315870cfe77SBenjamin Herrenschmidt #define DSISR_NOEXEC_OR_G 0x10000000 /* Alias of SRR1 bit, see below */
316b8b572e1SStephen Rothwell #define DSISR_PROTFAULT 0x08000000 /* protection fault */
317dbcbfee0SPaul Mackerras #define DSISR_BADACCESS 0x04000000 /* bad access to CI or G */
318b8b572e1SStephen Rothwell #define DSISR_ISSTORE 0x02000000 /* access was a store */
319b8b572e1SStephen Rothwell #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
320870cfe77SBenjamin Herrenschmidt #define DSISR_NOSEGMENT 0x00200000 /* STAB miss (unsupported) */
321870cfe77SBenjamin Herrenschmidt #define DSISR_KEYFAULT 0x00200000 /* Storage Key fault */
322870cfe77SBenjamin Herrenschmidt #define DSISR_BAD_EXT_CTRL 0x00100000 /* Obsolete: External ctrl error */
323870cfe77SBenjamin Herrenschmidt #define DSISR_UNSUPP_MMU 0x00080000 /* P9: Unsupported MMU config */
324870cfe77SBenjamin Herrenschmidt #define DSISR_SET_RC 0x00040000 /* P9: Failed setting of R/C bits */
325870cfe77SBenjamin Herrenschmidt #define DSISR_PRTABLE_FAULT 0x00020000 /* P9: Fault on process table */
326870cfe77SBenjamin Herrenschmidt #define DSISR_ICSWX_NO_CT 0x00004000 /* P7: icswx unavailable cp type */
327870cfe77SBenjamin Herrenschmidt #define DSISR_BAD_COPYPASTE 0x00000008 /* P9: Copy/Paste on wrong memtype */
328870cfe77SBenjamin Herrenschmidt #define DSISR_BAD_AMO 0x00000004 /* P9: Incorrect AMO opcode */
329870cfe77SBenjamin Herrenschmidt #define DSISR_BAD_CI_LDST 0x00000002 /* P8: Bad HV CI load/store */
330870cfe77SBenjamin Herrenschmidt
331870cfe77SBenjamin Herrenschmidt /*
332870cfe77SBenjamin Herrenschmidt * DSISR_NOEXEC_OR_G doesn't actually exist. This bit is always
333870cfe77SBenjamin Herrenschmidt * 0 on DSIs. However, on ISIs, the corresponding bit in SRR1
334870cfe77SBenjamin Herrenschmidt * indicates an attempt at executing from a no-execute PTE
335870cfe77SBenjamin Herrenschmidt * or segment or from a guarded page.
336870cfe77SBenjamin Herrenschmidt *
337870cfe77SBenjamin Herrenschmidt * We add a definition here for completeness as we alias
338870cfe77SBenjamin Herrenschmidt * DSISR and SRR1 in do_page_fault.
339870cfe77SBenjamin Herrenschmidt */
340870cfe77SBenjamin Herrenschmidt
341870cfe77SBenjamin Herrenschmidt /*
342870cfe77SBenjamin Herrenschmidt * DSISR bits that are treated as a fault. Any bit set
343870cfe77SBenjamin Herrenschmidt * here will skip hash_page, and cause do_page_fault to
344870cfe77SBenjamin Herrenschmidt * trigger a SIGBUS or SIGSEGV:
345870cfe77SBenjamin Herrenschmidt */
346870cfe77SBenjamin Herrenschmidt #define DSISR_BAD_FAULT_32S (DSISR_BAD_DIRECT_ST | \
347870cfe77SBenjamin Herrenschmidt DSISR_BADACCESS | \
348870cfe77SBenjamin Herrenschmidt DSISR_BAD_EXT_CTRL)
349870cfe77SBenjamin Herrenschmidt #define DSISR_BAD_FAULT_64S (DSISR_BAD_FAULT_32S | \
350870cfe77SBenjamin Herrenschmidt DSISR_ATTR_CONFLICT | \
351870cfe77SBenjamin Herrenschmidt DSISR_UNSUPP_MMU | \
352870cfe77SBenjamin Herrenschmidt DSISR_PRTABLE_FAULT | \
353870cfe77SBenjamin Herrenschmidt DSISR_ICSWX_NO_CT | \
354870cfe77SBenjamin Herrenschmidt DSISR_BAD_COPYPASTE | \
355870cfe77SBenjamin Herrenschmidt DSISR_BAD_AMO | \
356870cfe77SBenjamin Herrenschmidt DSISR_BAD_CI_LDST)
357870cfe77SBenjamin Herrenschmidt /*
358870cfe77SBenjamin Herrenschmidt * These bits are equivalent in SRR1 and DSISR for 0x400
359870cfe77SBenjamin Herrenschmidt * instruction access interrupts on Book3S
360870cfe77SBenjamin Herrenschmidt */
361870cfe77SBenjamin Herrenschmidt #define DSISR_SRR1_MATCH_32S (DSISR_NOHPTE | \
362870cfe77SBenjamin Herrenschmidt DSISR_NOEXEC_OR_G | \
363870cfe77SBenjamin Herrenschmidt DSISR_PROTFAULT)
364870cfe77SBenjamin Herrenschmidt #define DSISR_SRR1_MATCH_64S (DSISR_SRR1_MATCH_32S | \
365870cfe77SBenjamin Herrenschmidt DSISR_KEYFAULT | \
366870cfe77SBenjamin Herrenschmidt DSISR_UNSUPP_MMU | \
367870cfe77SBenjamin Herrenschmidt DSISR_SET_RC | \
368870cfe77SBenjamin Herrenschmidt DSISR_PRTABLE_FAULT)
369870cfe77SBenjamin Herrenschmidt
370b8b572e1SStephen Rothwell #define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */
371b8b572e1SStephen Rothwell #define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */
372e0ddf7a2SMichael Ellerman #define SPRN_CIR 0x11B /* Chip Information Register (hyper, R/0) */
373b8b572e1SStephen Rothwell #define SPRN_TBWL 0x11C /* Time Base Lower Register (super, R/W) */
374b8b572e1SStephen Rothwell #define SPRN_TBWU 0x11D /* Time Base Upper Register (super, R/W) */
37593b0f4dcSPaul Mackerras #define SPRN_TBU40 0x11E /* Timebase upper 40 bits (hyper, R/W) */
376b8b572e1SStephen Rothwell #define SPRN_SPURR 0x134 /* Scaled PURR */
37750fb8ebeSBenjamin Herrenschmidt #define SPRN_HSPRG0 0x130 /* Hypervisor Scratch 0 */
37850fb8ebeSBenjamin Herrenschmidt #define SPRN_HSPRG1 0x131 /* Hypervisor Scratch 1 */
37950fb8ebeSBenjamin Herrenschmidt #define SPRN_HDSISR 0x132
38050fb8ebeSBenjamin Herrenschmidt #define SPRN_HDAR 0x133
38150fb8ebeSBenjamin Herrenschmidt #define SPRN_HDEC 0x136 /* Hypervisor Decrementer */
382b8b572e1SStephen Rothwell #define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */
38350fb8ebeSBenjamin Herrenschmidt #define SPRN_RMOR 0x138 /* Real mode offset register */
38450fb8ebeSBenjamin Herrenschmidt #define SPRN_HRMOR 0x139 /* Real mode offset register */
3850ffd60b7SBenjamin Gray #define SPRN_HDEXCR_RO 0x1C7 /* Hypervisor DEXCR (non-privileged, readonly) */
3860ffd60b7SBenjamin Gray #define SPRN_HASHKEYR 0x1D4 /* Non-privileged hashst/hashchk key register */
3870ffd60b7SBenjamin Gray #define SPRN_HDEXCR 0x1D7 /* Hypervisor dynamic execution control register */
3880ffd60b7SBenjamin Gray #define SPRN_DEXCR_RO 0x32C /* DEXCR (non-privileged, readonly) */
3897fd317f8SPaul Mackerras #define SPRN_ASDR 0x330 /* Access segment descriptor register */
3900ffd60b7SBenjamin Gray #define SPRN_DEXCR 0x33C /* Dynamic execution control register */
3910ffd60b7SBenjamin Gray #define DEXCR_PR_SBHE 0x80000000UL /* 0: Speculative Branch Hint Enable */
3920ffd60b7SBenjamin Gray #define DEXCR_PR_IBRTPD 0x10000000UL /* 3: Indirect Branch Recurrent Target Prediction Disable */
3930ffd60b7SBenjamin Gray #define DEXCR_PR_SRAPD 0x08000000UL /* 4: Subroutine Return Address Prediction Disable */
3940ffd60b7SBenjamin Gray #define DEXCR_PR_NPHIE 0x04000000UL /* 5: Non-Privileged Hash Instruction Enable */
3950ffd60b7SBenjamin Gray #define DEXCR_INIT DEXCR_PR_NPHIE /* Fixed DEXCR value to initialise all CPUs with */
396b005255eSMichael Neuling #define SPRN_IC 0x350 /* Virtual Instruction Count */
397b005255eSMichael Neuling #define SPRN_VTB 0x351 /* Virtual Time Base */
398e2186023SMichael Ellerman #define SPRN_LDBAR 0x352 /* LD Base Address Register */
399b3d627a5SVaidyanathan Srinivasan #define SPRN_PMICR 0x354 /* Power Management Idle Control Reg */
400b3d627a5SVaidyanathan Srinivasan #define SPRN_PMSR 0x355 /* Power Management Status Reg */
401e2186023SMichael Ellerman #define SPRN_PMMAR 0x356 /* Power Management Memory Activity Register */
402bcef83a0SShreyas B. Prabhu #define SPRN_PSSCR 0x357 /* Processor Stop Status and Control Register (ISA 3.0) */
403d1e1b351SBalbir Singh #define SPRN_PSSCR_PR 0x337 /* PSSCR ISA 3.0, privileged mode access */
404ef909ba9SChristophe Leroy #define SPRN_TRIG2 0x372
405b3d627a5SVaidyanathan Srinivasan #define SPRN_PMCR 0x374 /* Power Management Control Register */
4067aa15842SPaul Mackerras #define SPRN_RWMR 0x375 /* Region-Weighting Mode Register */
407b3d627a5SVaidyanathan Srinivasan
40874e400ceSMichael Neuling /* HFSCR and FSCR bit numbers are the same */
4092aa6195eSAlistair Popple #define FSCR_PREFIX_LG 13 /* Enable Prefix Instructions */
4109b7ff0c6SNicholas Piggin #define FSCR_SCV_LG 12 /* Enable System Call Vectored */
41102ed21aeSMichael Neuling #define FSCR_MSGP_LG 10 /* Enable MSGP */
41274e400ceSMichael Neuling #define FSCR_TAR_LG 8 /* Enable Target Address Register */
41374e400ceSMichael Neuling #define FSCR_EBB_LG 7 /* Enable Event Based Branching */
41474e400ceSMichael Neuling #define FSCR_TM_LG 5 /* Enable Transactional Memory */
4159f24b0c9SPaul Mackerras #define FSCR_BHRB_LG 4 /* Enable Branch History Rolling Buffer*/
4169f24b0c9SPaul Mackerras #define FSCR_PM_LG 3 /* Enable prob/priv access to PMU SPRs */
41774e400ceSMichael Neuling #define FSCR_DSCR_LG 2 /* Enable Data Stream Control Register */
41874e400ceSMichael Neuling #define FSCR_VECVSX_LG 1 /* Enable VMX/VSX */
41974e400ceSMichael Neuling #define FSCR_FP_LG 0 /* Enable Floating Point */
4202468dcf6SIan Munsie #define SPRN_FSCR 0x099 /* Facility Status & Control Register */
4212aa6195eSAlistair Popple #define FSCR_PREFIX __MASK(FSCR_PREFIX_LG)
4229b7ff0c6SNicholas Piggin #define FSCR_SCV __MASK(FSCR_SCV_LG)
42374e400ceSMichael Neuling #define FSCR_TAR __MASK(FSCR_TAR_LG)
42474e400ceSMichael Neuling #define FSCR_EBB __MASK(FSCR_EBB_LG)
42574e400ceSMichael Neuling #define FSCR_DSCR __MASK(FSCR_DSCR_LG)
426d82b392dSNicholas Piggin #define FSCR_INTR_CAUSE (ASM_CONST(0xFF) << 56) /* interrupt cause */
42704b418c9SMichael Neuling #define SPRN_HFSCR 0xbe /* HV=1 Facility Status & Control Register */
428a3800ef9SPaul Mackerras #define HFSCR_PREFIX __MASK(FSCR_PREFIX_LG)
42902ed21aeSMichael Neuling #define HFSCR_MSGP __MASK(FSCR_MSGP_LG)
43074e400ceSMichael Neuling #define HFSCR_TAR __MASK(FSCR_TAR_LG)
43174e400ceSMichael Neuling #define HFSCR_EBB __MASK(FSCR_EBB_LG)
43274e400ceSMichael Neuling #define HFSCR_TM __MASK(FSCR_TM_LG)
43374e400ceSMichael Neuling #define HFSCR_PM __MASK(FSCR_PM_LG)
43474e400ceSMichael Neuling #define HFSCR_BHRB __MASK(FSCR_BHRB_LG)
43574e400ceSMichael Neuling #define HFSCR_DSCR __MASK(FSCR_DSCR_LG)
43674e400ceSMichael Neuling #define HFSCR_VECVSX __MASK(FSCR_VECVSX_LG)
43774e400ceSMichael Neuling #define HFSCR_FP __MASK(FSCR_FP_LG)
438d82b392dSNicholas Piggin #define HFSCR_INTR_CAUSE FSCR_INTR_CAUSE
4392468dcf6SIan Munsie #define SPRN_TAR 0x32f /* Target Address Register */
440b8b572e1SStephen Rothwell #define SPRN_LPCR 0x13E /* LPAR Control Register */
441a4b34954SAneesh Kumar K.V #define LPCR_VPM0 ASM_CONST(0x8000000000000000)
442a4b34954SAneesh Kumar K.V #define LPCR_VPM1 ASM_CONST(0x4000000000000000)
443a4b34954SAneesh Kumar K.V #define LPCR_ISL ASM_CONST(0x2000000000000000)
444a4b34954SAneesh Kumar K.V #define LPCR_VC_SH 61
445a4b34954SAneesh Kumar K.V #define LPCR_DPFD_SH 52
446a4b34954SAneesh Kumar K.V #define LPCR_DPFD (ASM_CONST(7) << LPCR_DPFD_SH)
447a4b34954SAneesh Kumar K.V #define LPCR_VRMASD_SH 47
4484ab2537cSAneesh Kumar K.V #define LPCR_VRMASD (ASM_CONST(0x1f) << LPCR_VRMASD_SH)
449a4b34954SAneesh Kumar K.V #define LPCR_VRMA_L ASM_CONST(0x0008000000000000)
450a4b34954SAneesh Kumar K.V #define LPCR_VRMA_LP0 ASM_CONST(0x0001000000000000)
451a4b34954SAneesh Kumar K.V #define LPCR_VRMA_LP1 ASM_CONST(0x0000800000000000)
452a4b34954SAneesh Kumar K.V #define LPCR_RMLS 0x1C000000 /* Implementation dependent RMO limit sel */
453a4b34954SAneesh Kumar K.V #define LPCR_RMLS_SH 26
45449c1d07fSNicholas Piggin #define LPCR_HAIL ASM_CONST(0x0000000004000000) /* HV AIL (ISAv3.1) */
455a4b34954SAneesh Kumar K.V #define LPCR_ILE ASM_CONST(0x0000000002000000) /* !HV irqs set MSR:LE */
456a4b34954SAneesh Kumar K.V #define LPCR_AIL ASM_CONST(0x0000000001800000) /* Alternate interrupt location */
457a4b34954SAneesh Kumar K.V #define LPCR_AIL_0 ASM_CONST(0x0000000000000000) /* MMU off exception offset 0x0 */
458a4b34954SAneesh Kumar K.V #define LPCR_AIL_3 ASM_CONST(0x0000000001800000) /* MMU on exception offset 0xc00...4xxx */
459a4b34954SAneesh Kumar K.V #define LPCR_ONL ASM_CONST(0x0000000000040000) /* online - PURR/SPURR count */
460a4b34954SAneesh Kumar K.V #define LPCR_LD ASM_CONST(0x0000000000020000) /* large decremeter */
461a4b34954SAneesh Kumar K.V #define LPCR_PECE ASM_CONST(0x000000000001f000) /* powersave exit cause enable */
462a4b34954SAneesh Kumar K.V #define LPCR_PECEDP ASM_CONST(0x0000000000010000) /* directed priv dbells cause exit */
463a4b34954SAneesh Kumar K.V #define LPCR_PECEDH ASM_CONST(0x0000000000008000) /* directed hyp dbells cause exit */
464a4b34954SAneesh Kumar K.V #define LPCR_PECE0 ASM_CONST(0x0000000000004000) /* ext. exceptions can cause exit */
465a4b34954SAneesh Kumar K.V #define LPCR_PECE1 ASM_CONST(0x0000000000002000) /* decrementer can cause exit */
466a4b34954SAneesh Kumar K.V #define LPCR_PECE2 ASM_CONST(0x0000000000001000) /* machine check etc can cause exit */
4671f0f2e72SMichael Ellerman #define LPCR_PECE_HVEE ASM_CONST(0x0000400000000000) /* P9 Wakeup on HV interrupts */
468a4b34954SAneesh Kumar K.V #define LPCR_MER ASM_CONST(0x0000000000000800) /* Mediated External Exception */
4694619ac88SPaul Mackerras #define LPCR_MER_SH 11
4707fd317f8SPaul Mackerras #define LPCR_GTSE ASM_CONST(0x0000000000000400) /* Guest Translation Shootdown Enable */
471a4b34954SAneesh Kumar K.V #define LPCR_TC ASM_CONST(0x0000000000000200) /* Translation control */
47208a1e650SBenjamin Herrenschmidt #define LPCR_HEIC ASM_CONST(0x0000000000000010) /* Hypervisor External Interrupt Control */
473923c53caSPaul Mackerras #define LPCR_LPES 0x0000000c
474a4b34954SAneesh Kumar K.V #define LPCR_LPES0 ASM_CONST(0x0000000000000008) /* LPAR Env selector 0 */
475a4b34954SAneesh Kumar K.V #define LPCR_LPES1 ASM_CONST(0x0000000000000004) /* LPAR Env selector 1 */
476923c53caSPaul Mackerras #define LPCR_LPES_SH 2
477a4b34954SAneesh Kumar K.V #define LPCR_RMI ASM_CONST(0x0000000000000002) /* real mode is cache inhibit */
478a4b34954SAneesh Kumar K.V #define LPCR_HVICE ASM_CONST(0x0000000000000002) /* P9: HV interrupt enable */
479a4b34954SAneesh Kumar K.V #define LPCR_HDICE ASM_CONST(0x0000000000000001) /* Hyp Decr enable (HV,PR,EE) */
480a4b34954SAneesh Kumar K.V #define LPCR_UPRT ASM_CONST(0x0000000000400000) /* Use Process Table (ISA 3) */
481a4b34954SAneesh Kumar K.V #define LPCR_HR ASM_CONST(0x0000000000100000)
482d30f6e48SScott Wood #ifndef SPRN_LPID
48350fb8ebeSBenjamin Herrenschmidt #define SPRN_LPID 0x13F /* Logical Partition Identifier */
484d30f6e48SScott Wood #endif
485d075745dSPaul Mackerras #define SPRN_HMER 0x150 /* Hypervisor maintenance exception reg */
486d075745dSPaul Mackerras #define HMER_DEBUG_TRIG (1ul << (63 - 17)) /* Debug trigger */
487d075745dSPaul Mackerras #define SPRN_HMEER 0x151 /* Hyp maintenance exception enable reg */
488388cc6e1SPaul Mackerras #define SPRN_PCR 0x152 /* Processor compatibility register */
489c6fadabbSAlistair Popple #define PCR_VEC_DIS (__MASK(63-0)) /* Vec. disable (bit NA since POWER8) */
490c6fadabbSAlistair Popple #define PCR_VSX_DIS (__MASK(63-1)) /* VSX disable (bit NA since POWER8) */
491c6fadabbSAlistair Popple #define PCR_TM_DIS (__MASK(63-2)) /* Trans. memory disable (POWER8) */
49287939d50SAlistair Popple #define PCR_MMA_DIS (__MASK(63-3)) /* Matrix-Multiply Accelerator */
49387939d50SAlistair Popple #define PCR_HIGH_BITS (PCR_MMA_DIS | PCR_VEC_DIS | PCR_VSX_DIS | PCR_TM_DIS)
4949dd17e85SSuraj Jitindar Singh /*
4959dd17e85SSuraj Jitindar Singh * These bits are used in the function kvmppc_set_arch_compat() to specify and
4969dd17e85SSuraj Jitindar Singh * determine both the compatibility level which we want to emulate and the
4979dd17e85SSuraj Jitindar Singh * compatibility level which the host is capable of emulating.
4989dd17e85SSuraj Jitindar Singh */
4993fd5836eSAlistair Popple #define PCR_ARCH_300 0x10 /* Architecture 3.00 */
5009dd17e85SSuraj Jitindar Singh #define PCR_ARCH_207 0x8 /* Architecture 2.07 */
5015557ae0eSPaul Mackerras #define PCR_ARCH_206 0x4 /* Architecture 2.06 */
502388cc6e1SPaul Mackerras #define PCR_ARCH_205 0x2 /* Architecture 2.05 */
5033fd5836eSAlistair Popple #define PCR_LOW_BITS (PCR_ARCH_207 | PCR_ARCH_206 | PCR_ARCH_205 | PCR_ARCH_300)
50413c7bb3cSJordan Niethe #define PCR_MASK ~(PCR_HIGH_BITS | PCR_LOW_BITS) /* PCR Reserved Bits */
50550fb8ebeSBenjamin Herrenschmidt #define SPRN_HEIR 0x153 /* Hypervisor Emulated Instruction Register */
50650fb8ebeSBenjamin Herrenschmidt #define SPRN_TLBINDEXR 0x154 /* P7 TLB control register */
50750fb8ebeSBenjamin Herrenschmidt #define SPRN_TLBVPNR 0x155 /* P7 TLB control register */
50850fb8ebeSBenjamin Herrenschmidt #define SPRN_TLBRPNR 0x156 /* P7 TLB control register */
50950fb8ebeSBenjamin Herrenschmidt #define SPRN_TLBLPIDR 0x157 /* P7 TLB control register */
510b8b572e1SStephen Rothwell #define SPRN_DBAT0L 0x219 /* Data BAT 0 Lower Register */
511b8b572e1SStephen Rothwell #define SPRN_DBAT0U 0x218 /* Data BAT 0 Upper Register */
512b8b572e1SStephen Rothwell #define SPRN_DBAT1L 0x21B /* Data BAT 1 Lower Register */
513b8b572e1SStephen Rothwell #define SPRN_DBAT1U 0x21A /* Data BAT 1 Upper Register */
514b8b572e1SStephen Rothwell #define SPRN_DBAT2L 0x21D /* Data BAT 2 Lower Register */
515b8b572e1SStephen Rothwell #define SPRN_DBAT2U 0x21C /* Data BAT 2 Upper Register */
516b8b572e1SStephen Rothwell #define SPRN_DBAT3L 0x21F /* Data BAT 3 Lower Register */
517b8b572e1SStephen Rothwell #define SPRN_DBAT3U 0x21E /* Data BAT 3 Upper Register */
518b8b572e1SStephen Rothwell #define SPRN_DBAT4L 0x239 /* Data BAT 4 Lower Register */
519b8b572e1SStephen Rothwell #define SPRN_DBAT4U 0x238 /* Data BAT 4 Upper Register */
520b8b572e1SStephen Rothwell #define SPRN_DBAT5L 0x23B /* Data BAT 5 Lower Register */
521b8b572e1SStephen Rothwell #define SPRN_DBAT5U 0x23A /* Data BAT 5 Upper Register */
522b8b572e1SStephen Rothwell #define SPRN_DBAT6L 0x23D /* Data BAT 6 Lower Register */
523b8b572e1SStephen Rothwell #define SPRN_DBAT6U 0x23C /* Data BAT 6 Upper Register */
524b8b572e1SStephen Rothwell #define SPRN_DBAT7L 0x23F /* Data BAT 7 Lower Register */
525b8b572e1SStephen Rothwell #define SPRN_DBAT7U 0x23E /* Data BAT 7 Upper Register */
52613e7a8e8SHaren Myneni #define SPRN_PPR 0x380 /* SMT Thread status Register */
52777b54e9fSShreyas B. Prabhu #define SPRN_TSCR 0x399 /* Thread Switch Control Register */
528b8b572e1SStephen Rothwell
529b8b572e1SStephen Rothwell #define SPRN_DEC 0x016 /* Decrement Register */
53063f9d9dfSChristophe Leroy #define SPRN_PIT 0x3DB /* Programmable Interval Timer (40x/BOOKE) */
53163f9d9dfSChristophe Leroy
532446957baSAdam Buchbinder #define SPRN_DER 0x095 /* Debug Enable Register */
533b8b572e1SStephen Rothwell #define DER_RSTE 0x40000000 /* Reset Interrupt */
534b8b572e1SStephen Rothwell #define DER_CHSTPE 0x20000000 /* Check Stop */
535b8b572e1SStephen Rothwell #define DER_MCIE 0x10000000 /* Machine Check Interrupt */
536b8b572e1SStephen Rothwell #define DER_EXTIE 0x02000000 /* External Interrupt */
537b8b572e1SStephen Rothwell #define DER_ALIE 0x01000000 /* Alignment Interrupt */
538b8b572e1SStephen Rothwell #define DER_PRIE 0x00800000 /* Program Interrupt */
539b8b572e1SStephen Rothwell #define DER_FPUVIE 0x00400000 /* FP Unavailable Interrupt */
540b8b572e1SStephen Rothwell #define DER_DECIE 0x00200000 /* Decrementer Interrupt */
541b8b572e1SStephen Rothwell #define DER_SYSIE 0x00040000 /* System Call Interrupt */
542b8b572e1SStephen Rothwell #define DER_TRE 0x00020000 /* Trace Interrupt */
543b8b572e1SStephen Rothwell #define DER_SEIE 0x00004000 /* FP SW Emulation Interrupt */
544b8b572e1SStephen Rothwell #define DER_ITLBMSE 0x00002000 /* Imp. Spec. Instruction TLB Miss */
545b8b572e1SStephen Rothwell #define DER_ITLBERE 0x00001000 /* Imp. Spec. Instruction TLB Error */
546b8b572e1SStephen Rothwell #define DER_DTLBMSE 0x00000800 /* Imp. Spec. Data TLB Miss */
547b8b572e1SStephen Rothwell #define DER_DTLBERE 0x00000400 /* Imp. Spec. Data TLB Error */
548b8b572e1SStephen Rothwell #define DER_LBRKE 0x00000008 /* Load/Store Breakpoint Interrupt */
549b8b572e1SStephen Rothwell #define DER_IBRKE 0x00000004 /* Instruction Breakpoint Interrupt */
550b8b572e1SStephen Rothwell #define DER_EBRKE 0x00000002 /* External Breakpoint Interrupt */
551b8b572e1SStephen Rothwell #define DER_DPIE 0x00000001 /* Dev. Port Nonmaskable Request */
552b8b572e1SStephen Rothwell #define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */
553b005255eSMichael Neuling #define SPRN_DHDES 0x0B1 /* Directed Hyp. Doorbell Exc. State */
554b005255eSMichael Neuling #define SPRN_DPDES 0x0B0 /* Directed Priv. Doorbell Exc. State */
555b8b572e1SStephen Rothwell #define SPRN_EAR 0x11A /* External Address Register */
556b8b572e1SStephen Rothwell #define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */
557446957baSAdam Buchbinder #define SPRN_HASH2 0x3D3 /* Secondary Hash Address Register */
558b8b572e1SStephen Rothwell #define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */
559969391c5SPaul Mackerras #define HID0_HDICE_SH (63 - 23) /* 970 HDEC interrupt enable */
560b8b572e1SStephen Rothwell #define HID0_EMCP (1<<31) /* Enable Machine Check pin */
561b8b572e1SStephen Rothwell #define HID0_EBA (1<<29) /* Enable Bus Address Parity */
562b8b572e1SStephen Rothwell #define HID0_EBD (1<<28) /* Enable Bus Data Parity */
563b8b572e1SStephen Rothwell #define HID0_SBCLK (1<<27)
564b8b572e1SStephen Rothwell #define HID0_EICE (1<<26)
565b8b572e1SStephen Rothwell #define HID0_TBEN (1<<26) /* Timebase enable - 745x */
566b8b572e1SStephen Rothwell #define HID0_ECLK (1<<25)
567b8b572e1SStephen Rothwell #define HID0_PAR (1<<24)
568b8b572e1SStephen Rothwell #define HID0_STEN (1<<24) /* Software table search enable - 745x */
569b8b572e1SStephen Rothwell #define HID0_HIGH_BAT (1<<23) /* Enable high BATs - 7455 */
570b8b572e1SStephen Rothwell #define HID0_DOZE (1<<23)
571b8b572e1SStephen Rothwell #define HID0_NAP (1<<22)
572b8b572e1SStephen Rothwell #define HID0_SLEEP (1<<21)
573b8b572e1SStephen Rothwell #define HID0_DPM (1<<20)
574b8b572e1SStephen Rothwell #define HID0_BHTCLR (1<<18) /* Clear branch history table - 7450 */
575b8b572e1SStephen Rothwell #define HID0_XAEN (1<<17) /* Extended addressing enable - 7450 */
576b8b572e1SStephen Rothwell #define HID0_NHR (1<<16) /* Not hard reset (software bit-7450)*/
577b8b572e1SStephen Rothwell #define HID0_ICE (1<<15) /* Instruction Cache Enable */
578b8b572e1SStephen Rothwell #define HID0_DCE (1<<14) /* Data Cache Enable */
579b8b572e1SStephen Rothwell #define HID0_ILOCK (1<<13) /* Instruction Cache Lock */
580b8b572e1SStephen Rothwell #define HID0_DLOCK (1<<12) /* Data Cache Lock */
581b8b572e1SStephen Rothwell #define HID0_ICFI (1<<11) /* Instr. Cache Flash Invalidate */
582b8b572e1SStephen Rothwell #define HID0_DCI (1<<10) /* Data Cache Invalidate */
583b8b572e1SStephen Rothwell #define HID0_SPD (1<<9) /* Speculative disable */
584b8b572e1SStephen Rothwell #define HID0_DAPUEN (1<<8) /* Debug APU enable */
585b8b572e1SStephen Rothwell #define HID0_SGE (1<<7) /* Store Gathering Enable */
586b8b572e1SStephen Rothwell #define HID0_SIED (1<<7) /* Serial Instr. Execution [Disable] */
587b8b572e1SStephen Rothwell #define HID0_DCFA (1<<6) /* Data Cache Flush Assist */
588b8b572e1SStephen Rothwell #define HID0_LRSTK (1<<4) /* Link register stack - 745x */
589b8b572e1SStephen Rothwell #define HID0_BTIC (1<<5) /* Branch Target Instr Cache Enable */
590b8b572e1SStephen Rothwell #define HID0_ABE (1<<3) /* Address Broadcast Enable */
591b8b572e1SStephen Rothwell #define HID0_FOLD (1<<3) /* Branch Folding enable - 745x */
592b8b572e1SStephen Rothwell #define HID0_BHTE (1<<2) /* Branch History Table Enable */
593b8b572e1SStephen Rothwell #define HID0_BTCD (1<<1) /* Branch target cache disable */
594b8b572e1SStephen Rothwell #define HID0_NOPDST (1<<1) /* No-op dst, dstt, etc. instr. */
595b8b572e1SStephen Rothwell #define HID0_NOPTI (1<<0) /* No-op dcbt and dcbst instr. */
596e2186023SMichael Ellerman /* POWER8 HID0 bits */
597e2186023SMichael Ellerman #define HID0_POWER8_4LPARMODE __MASK(61)
598e2186023SMichael Ellerman #define HID0_POWER8_2LPARMODE __MASK(57)
599e2186023SMichael Ellerman #define HID0_POWER8_1TO2LPAR __MASK(52)
600e2186023SMichael Ellerman #define HID0_POWER8_1TO4LPAR __MASK(51)
601e2186023SMichael Ellerman #define HID0_POWER8_DYNLPARDIS __MASK(48)
602b8b572e1SStephen Rothwell
603ad410674SAneesh Kumar K.V /* POWER9 HID0 bits */
604ad410674SAneesh Kumar K.V #define HID0_POWER9_RADIX __MASK(63 - 8)
605ad410674SAneesh Kumar K.V
606b8b572e1SStephen Rothwell #define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */
607d7cceda9SChristophe Leroy #ifdef CONFIG_PPC_BOOK3S_32
608b8b572e1SStephen Rothwell #define HID1_EMCP (1<<31) /* 7450 Machine Check Pin Enable */
609b8b572e1SStephen Rothwell #define HID1_DFS (1<<22) /* 7447A Dynamic Frequency Scaling */
610b8b572e1SStephen Rothwell #define HID1_PC0 (1<<16) /* 7450 PLL_CFG[0] */
611b8b572e1SStephen Rothwell #define HID1_PC1 (1<<15) /* 7450 PLL_CFG[1] */
612b8b572e1SStephen Rothwell #define HID1_PC2 (1<<14) /* 7450 PLL_CFG[2] */
613b8b572e1SStephen Rothwell #define HID1_PC3 (1<<13) /* 7450 PLL_CFG[3] */
614b8b572e1SStephen Rothwell #define HID1_SYNCBE (1<<11) /* 7450 ABE for sync, eieio */
615b8b572e1SStephen Rothwell #define HID1_ABE (1<<10) /* 7450 Address Broadcast Enable */
616b8b572e1SStephen Rothwell #define HID1_PS (1<<16) /* 750FX PLL selection */
61786985db6SLi Yang #endif
618b8b572e1SStephen Rothwell #define SPRN_HID2 0x3F8 /* Hardware Implementation Register 2 */
619d6d549b2SAlexander Graf #define SPRN_HID2_GEKKO 0x398 /* Gekko HID2 Register */
620*8631837dSMatthias Schiffer #define SPRN_HID2_G2_LE 0x3F3 /* G2_LE HID2 Register */
621*8631837dSMatthias Schiffer #define HID2_G2_LE_HBE (1<<18) /* High BAT Enable (G2_LE) */
622b8b572e1SStephen Rothwell #define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */
623b8b572e1SStephen Rothwell #define SPRN_IABR2 0x3FA /* 83xx */
624b8b572e1SStephen Rothwell #define SPRN_IBCR 0x135 /* 83xx Insn Breakpoint Control Reg */
625b005255eSMichael Neuling #define SPRN_IAMR 0x03D /* Instr. Authority Mask Reg */
626b8b572e1SStephen Rothwell #define SPRN_HID4 0x3F4 /* 970 HID4 */
627969391c5SPaul Mackerras #define HID4_LPES0 (1ul << (63-0)) /* LPAR env. sel. bit 0 */
628969391c5SPaul Mackerras #define HID4_RMLS2_SH (63 - 2) /* Real mode limit bottom 2 bits */
629969391c5SPaul Mackerras #define HID4_LPID5_SH (63 - 6) /* partition ID bottom 4 bits */
630969391c5SPaul Mackerras #define HID4_RMOR_SH (63 - 22) /* real mode offset (16 bits) */
631a0144e2aSPaul Mackerras #define HID4_RMOR (0xFFFFul << HID4_RMOR_SH)
632969391c5SPaul Mackerras #define HID4_LPES1 (1 << (63-57)) /* LPAR env. sel. bit 1 */
633969391c5SPaul Mackerras #define HID4_RMLS0_SH (63 - 58) /* Real mode limit top bit */
634969391c5SPaul Mackerras #define HID4_LPID1_SH 0 /* partition ID top 2 bits */
635d6d549b2SAlexander Graf #define SPRN_HID4_GEKKO 0x3F3 /* Gekko HID4 */
636b8b572e1SStephen Rothwell #define SPRN_HID5 0x3F6 /* 970 HID5 */
637b8b572e1SStephen Rothwell #define SPRN_HID6 0x3F9 /* BE HID 6 */
638b8b572e1SStephen Rothwell #define HID6_LB (0x0F<<12) /* Concurrent Large Page Modes */
639b8b572e1SStephen Rothwell #define HID6_DLP (1<<20) /* Disable all large page modes (4K only) */
640b8b572e1SStephen Rothwell #define SPRN_TSC_CELL 0x399 /* Thread switch control on Cell */
641b8b572e1SStephen Rothwell #define TSC_CELL_DEC_ENABLE_0 0x400000 /* Decrementer Interrupt */
642b8b572e1SStephen Rothwell #define TSC_CELL_DEC_ENABLE_1 0x200000 /* Decrementer Interrupt */
643b8b572e1SStephen Rothwell #define TSC_CELL_EE_ENABLE 0x100000 /* External Interrupt */
644b8b572e1SStephen Rothwell #define TSC_CELL_EE_BOOST 0x080000 /* External Interrupt Boost */
645b8b572e1SStephen Rothwell #define SPRN_TSC 0x3FD /* Thread switch control on others */
646b8b572e1SStephen Rothwell #define SPRN_TST 0x3FC /* Thread switch timeout on others */
647b8b572e1SStephen Rothwell #if !defined(SPRN_IAC1) && !defined(SPRN_IAC2)
648b8b572e1SStephen Rothwell #define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */
649b8b572e1SStephen Rothwell #define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */
650b8b572e1SStephen Rothwell #endif
651b8b572e1SStephen Rothwell #define SPRN_IBAT0L 0x211 /* Instruction BAT 0 Lower Register */
652b8b572e1SStephen Rothwell #define SPRN_IBAT0U 0x210 /* Instruction BAT 0 Upper Register */
653b8b572e1SStephen Rothwell #define SPRN_IBAT1L 0x213 /* Instruction BAT 1 Lower Register */
654b8b572e1SStephen Rothwell #define SPRN_IBAT1U 0x212 /* Instruction BAT 1 Upper Register */
655b8b572e1SStephen Rothwell #define SPRN_IBAT2L 0x215 /* Instruction BAT 2 Lower Register */
656b8b572e1SStephen Rothwell #define SPRN_IBAT2U 0x214 /* Instruction BAT 2 Upper Register */
657b8b572e1SStephen Rothwell #define SPRN_IBAT3L 0x217 /* Instruction BAT 3 Lower Register */
658b8b572e1SStephen Rothwell #define SPRN_IBAT3U 0x216 /* Instruction BAT 3 Upper Register */
659b8b572e1SStephen Rothwell #define SPRN_IBAT4L 0x231 /* Instruction BAT 4 Lower Register */
660b8b572e1SStephen Rothwell #define SPRN_IBAT4U 0x230 /* Instruction BAT 4 Upper Register */
661b8b572e1SStephen Rothwell #define SPRN_IBAT5L 0x233 /* Instruction BAT 5 Lower Register */
662b8b572e1SStephen Rothwell #define SPRN_IBAT5U 0x232 /* Instruction BAT 5 Upper Register */
663b8b572e1SStephen Rothwell #define SPRN_IBAT6L 0x235 /* Instruction BAT 6 Lower Register */
664b8b572e1SStephen Rothwell #define SPRN_IBAT6U 0x234 /* Instruction BAT 6 Upper Register */
665b8b572e1SStephen Rothwell #define SPRN_IBAT7L 0x237 /* Instruction BAT 7 Lower Register */
666b8b572e1SStephen Rothwell #define SPRN_IBAT7U 0x236 /* Instruction BAT 7 Upper Register */
667b8b572e1SStephen Rothwell #define SPRN_ICMP 0x3D5 /* Instruction TLB Compare Register */
668b8b572e1SStephen Rothwell #define SPRN_ICTC 0x3FB /* Instruction Cache Throttling Control Reg */
66975b82472SChristophe Leroy #ifndef SPRN_ICTRL
670b8b572e1SStephen Rothwell #define SPRN_ICTRL 0x3F3 /* 1011 7450 icache and interrupt ctrl */
67175b82472SChristophe Leroy #endif
672b8b572e1SStephen Rothwell #define ICTRL_EICE 0x08000000 /* enable icache parity errs */
673b8b572e1SStephen Rothwell #define ICTRL_EDC 0x04000000 /* enable dcache parity errs */
674b8b572e1SStephen Rothwell #define ICTRL_EICP 0x00000100 /* enable icache par. check */
675b8b572e1SStephen Rothwell #define SPRN_IMISS 0x3D4 /* Instruction TLB Miss Register */
676b8b572e1SStephen Rothwell #define SPRN_IMMR 0x27E /* Internal Memory Map Register */
677446957baSAdam Buchbinder #define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Register */
678b8b572e1SStephen Rothwell #define SPRN_L2CR2 0x3f8
679b8b572e1SStephen Rothwell #define L2CR_L2E 0x80000000 /* L2 enable */
680b8b572e1SStephen Rothwell #define L2CR_L2PE 0x40000000 /* L2 parity enable */
681b8b572e1SStephen Rothwell #define L2CR_L2SIZ_MASK 0x30000000 /* L2 size mask */
682b8b572e1SStephen Rothwell #define L2CR_L2SIZ_256KB 0x10000000 /* L2 size 256KB */
683b8b572e1SStephen Rothwell #define L2CR_L2SIZ_512KB 0x20000000 /* L2 size 512KB */
684b8b572e1SStephen Rothwell #define L2CR_L2SIZ_1MB 0x30000000 /* L2 size 1MB */
685b8b572e1SStephen Rothwell #define L2CR_L2CLK_MASK 0x0e000000 /* L2 clock mask */
686b8b572e1SStephen Rothwell #define L2CR_L2CLK_DISABLED 0x00000000 /* L2 clock disabled */
687b8b572e1SStephen Rothwell #define L2CR_L2CLK_DIV1 0x02000000 /* L2 clock / 1 */
688b8b572e1SStephen Rothwell #define L2CR_L2CLK_DIV1_5 0x04000000 /* L2 clock / 1.5 */
689b8b572e1SStephen Rothwell #define L2CR_L2CLK_DIV2 0x08000000 /* L2 clock / 2 */
690b8b572e1SStephen Rothwell #define L2CR_L2CLK_DIV2_5 0x0a000000 /* L2 clock / 2.5 */
691b8b572e1SStephen Rothwell #define L2CR_L2CLK_DIV3 0x0c000000 /* L2 clock / 3 */
692b8b572e1SStephen Rothwell #define L2CR_L2RAM_MASK 0x01800000 /* L2 RAM type mask */
693b8b572e1SStephen Rothwell #define L2CR_L2RAM_FLOW 0x00000000 /* L2 RAM flow through */
694b8b572e1SStephen Rothwell #define L2CR_L2RAM_PIPE 0x01000000 /* L2 RAM pipelined */
695b8b572e1SStephen Rothwell #define L2CR_L2RAM_PIPE_LW 0x01800000 /* L2 RAM pipelined latewr */
696b8b572e1SStephen Rothwell #define L2CR_L2DO 0x00400000 /* L2 data only */
697b8b572e1SStephen Rothwell #define L2CR_L2I 0x00200000 /* L2 global invalidate */
698b8b572e1SStephen Rothwell #define L2CR_L2CTL 0x00100000 /* L2 RAM control */
699b8b572e1SStephen Rothwell #define L2CR_L2WT 0x00080000 /* L2 write-through */
700b8b572e1SStephen Rothwell #define L2CR_L2TS 0x00040000 /* L2 test support */
701b8b572e1SStephen Rothwell #define L2CR_L2OH_MASK 0x00030000 /* L2 output hold mask */
702b8b572e1SStephen Rothwell #define L2CR_L2OH_0_5 0x00000000 /* L2 output hold 0.5 ns */
703b8b572e1SStephen Rothwell #define L2CR_L2OH_1_0 0x00010000 /* L2 output hold 1.0 ns */
704b8b572e1SStephen Rothwell #define L2CR_L2SL 0x00008000 /* L2 DLL slow */
705b8b572e1SStephen Rothwell #define L2CR_L2DF 0x00004000 /* L2 differential clock */
706b8b572e1SStephen Rothwell #define L2CR_L2BYP 0x00002000 /* L2 DLL bypass */
707b8b572e1SStephen Rothwell #define L2CR_L2IP 0x00000001 /* L2 GI in progress */
708b8b572e1SStephen Rothwell #define L2CR_L2IO_745x 0x00100000 /* L2 instr. only (745x) */
709b8b572e1SStephen Rothwell #define L2CR_L2DO_745x 0x00010000 /* L2 data only (745x) */
710b8b572e1SStephen Rothwell #define L2CR_L2REP_745x 0x00001000 /* L2 repl. algorithm (745x) */
711b8b572e1SStephen Rothwell #define L2CR_L2HWF_745x 0x00000800 /* L2 hardware flush (745x) */
712446957baSAdam Buchbinder #define SPRN_L3CR 0x3FA /* Level 3 Cache Control Register */
713b8b572e1SStephen Rothwell #define L3CR_L3E 0x80000000 /* L3 enable */
714b8b572e1SStephen Rothwell #define L3CR_L3PE 0x40000000 /* L3 data parity enable */
715b8b572e1SStephen Rothwell #define L3CR_L3APE 0x20000000 /* L3 addr parity enable */
716b8b572e1SStephen Rothwell #define L3CR_L3SIZ 0x10000000 /* L3 size */
717b8b572e1SStephen Rothwell #define L3CR_L3CLKEN 0x08000000 /* L3 clock enable */
718b8b572e1SStephen Rothwell #define L3CR_L3RES 0x04000000 /* L3 special reserved bit */
719b8b572e1SStephen Rothwell #define L3CR_L3CLKDIV 0x03800000 /* L3 clock divisor */
720b8b572e1SStephen Rothwell #define L3CR_L3IO 0x00400000 /* L3 instruction only */
721b8b572e1SStephen Rothwell #define L3CR_L3SPO 0x00040000 /* L3 sample point override */
722b8b572e1SStephen Rothwell #define L3CR_L3CKSP 0x00030000 /* L3 clock sample point */
723b8b572e1SStephen Rothwell #define L3CR_L3PSP 0x0000e000 /* L3 P-clock sample point */
724b8b572e1SStephen Rothwell #define L3CR_L3REP 0x00001000 /* L3 replacement algorithm */
725b8b572e1SStephen Rothwell #define L3CR_L3HWF 0x00000800 /* L3 hardware flush */
726b8b572e1SStephen Rothwell #define L3CR_L3I 0x00000400 /* L3 global invalidate */
727b8b572e1SStephen Rothwell #define L3CR_L3RT 0x00000300 /* L3 SRAM type */
728b8b572e1SStephen Rothwell #define L3CR_L3NIRCA 0x00000080 /* L3 non-integer ratio clock adj. */
729b8b572e1SStephen Rothwell #define L3CR_L3DO 0x00000040 /* L3 data only mode */
730b8b572e1SStephen Rothwell #define L3CR_PMEN 0x00000004 /* L3 private memory enable */
731b8b572e1SStephen Rothwell #define L3CR_PMSIZ 0x00000001 /* L3 private memory size */
732b8b572e1SStephen Rothwell
733b8b572e1SStephen Rothwell #define SPRN_MSSCR0 0x3f6 /* Memory Subsystem Control Register 0 */
734b8b572e1SStephen Rothwell #define SPRN_MSSSR0 0x3f7 /* Memory Subsystem Status Register 1 */
735b8b572e1SStephen Rothwell #define SPRN_LDSTCR 0x3f8 /* Load/Store control register */
736b8b572e1SStephen Rothwell #define SPRN_LDSTDB 0x3f4 /* */
737b8b572e1SStephen Rothwell #define SPRN_LR 0x008 /* Link Register */
738b8b572e1SStephen Rothwell #ifndef SPRN_PIR
739b8b572e1SStephen Rothwell #define SPRN_PIR 0x3FF /* Processor Identification Register */
740b8b572e1SStephen Rothwell #endif
74142d02b81SIan Munsie #define SPRN_TIR 0x1BE /* Thread Identification Register */
742e9983344SAneesh Kumar K.V #define SPRN_PTCR 0x1D0 /* Partition table control Register */
743b005255eSMichael Neuling #define SPRN_PSPB 0x09F /* Problem State Priority Boost reg */
744b8b572e1SStephen Rothwell #define SPRN_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */
745b8b572e1SStephen Rothwell #define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */
746b8b572e1SStephen Rothwell #define SPRN_PURR 0x135 /* Processor Utilization of Resources Reg */
747b8b572e1SStephen Rothwell #define SPRN_PVR 0x11F /* Processor Version Register */
748b8b572e1SStephen Rothwell #define SPRN_RPA 0x3D6 /* Required Physical Address Register */
749b8b572e1SStephen Rothwell #define SPRN_SDA 0x3BF /* Sampled Data Address Register */
750b8b572e1SStephen Rothwell #define SPRN_SDR1 0x019 /* MMU Hash Base Register */
751b8b572e1SStephen Rothwell #define SPRN_ASR 0x118 /* Address Space Register */
752b8b572e1SStephen Rothwell #define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */
753b8b572e1SStephen Rothwell #define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */
754b8b572e1SStephen Rothwell #define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */
755b8b572e1SStephen Rothwell #define SPRN_SPRG2 0x112 /* Special Purpose Register General 2 */
756b8b572e1SStephen Rothwell #define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */
75718ad51ddSAnton Blanchard #define SPRN_USPRG3 0x103 /* SPRG3 userspace read */
758b8b572e1SStephen Rothwell #define SPRN_SPRG4 0x114 /* Special Purpose Register General 4 */
7599d378dfaSScott Wood #define SPRN_USPRG4 0x104 /* SPRG4 userspace read */
760b8b572e1SStephen Rothwell #define SPRN_SPRG5 0x115 /* Special Purpose Register General 5 */
7619d378dfaSScott Wood #define SPRN_USPRG5 0x105 /* SPRG5 userspace read */
762b8b572e1SStephen Rothwell #define SPRN_SPRG6 0x116 /* Special Purpose Register General 6 */
7639d378dfaSScott Wood #define SPRN_USPRG6 0x106 /* SPRG6 userspace read */
764b8b572e1SStephen Rothwell #define SPRN_SPRG7 0x117 /* Special Purpose Register General 7 */
7659d378dfaSScott Wood #define SPRN_USPRG7 0x107 /* SPRG7 userspace read */
766b8b572e1SStephen Rothwell #define SPRN_SRR0 0x01A /* Save/Restore Register 0 */
767b8b572e1SStephen Rothwell #define SPRN_SRR1 0x01B /* Save/Restore Register 1 */
7689ee6471eSNicholas Piggin
7699ee6471eSNicholas Piggin #ifdef CONFIG_PPC_BOOK3S
7709ee6471eSNicholas Piggin /*
7719ee6471eSNicholas Piggin * Bits loaded from MSR upon interrupt.
7729ee6471eSNicholas Piggin * PPC (64-bit) bits 33-36,42-47 are interrupt dependent, the others are
7739ee6471eSNicholas Piggin * loaded from MSR. The exception is that SRESET and MCE do not always load
7749ee6471eSNicholas Piggin * bit 62 (RI) from MSR. Don't use PPC_BITMASK for this because 32-bit uses
7759ee6471eSNicholas Piggin * it.
7769ee6471eSNicholas Piggin */
7779ee6471eSNicholas Piggin #define SRR1_MSR_BITS (~0x783f0000UL)
7789ee6471eSNicholas Piggin #endif
7799ee6471eSNicholas Piggin
780342d3db7SPaul Mackerras #define SRR1_ISI_NOPT 0x40000000 /* ISI: Not found in hash */
781b691505eSJordan Niethe #define SRR1_ISI_N_G_OR_CIP 0x10000000 /* ISI: Access is no-exec or G or CI for a prefixed instruction */
782342d3db7SPaul Mackerras #define SRR1_ISI_PROT 0x08000000 /* ISI: Other protection fault */
783b8b572e1SStephen Rothwell #define SRR1_WAKEMASK 0x00380000 /* reason for wakeup */
7849b256714SBenjamin Herrenschmidt #define SRR1_WAKEMASK_P8 0x003c0000 /* reason for wakeup on POWER8 and 9 */
7851945bc45SNicholas Piggin #define SRR1_WAKEMCE_RESVD 0x003c0000 /* Unused/reserved value used by MCE wakeup to indicate cause to idle wakeup handler */
786b8b572e1SStephen Rothwell #define SRR1_WAKESYSERR 0x00300000 /* System error */
787b8b572e1SStephen Rothwell #define SRR1_WAKEEE 0x00200000 /* External interrupt */
7889b256714SBenjamin Herrenschmidt #define SRR1_WAKEHVI 0x00240000 /* Hypervisor Virtualization Interrupt (P9) */
789b8b572e1SStephen Rothwell #define SRR1_WAKEMT 0x00280000 /* mtctrl */
79050fb8ebeSBenjamin Herrenschmidt #define SRR1_WAKEHMI 0x00280000 /* Hypervisor maintenance */
791b8b572e1SStephen Rothwell #define SRR1_WAKEDEC 0x00180000 /* Decrementer interrupt */
792755563bcSPaul Mackerras #define SRR1_WAKEDBELL 0x00140000 /* Privileged doorbell on P8 */
793b8b572e1SStephen Rothwell #define SRR1_WAKETHERM 0x00100000 /* Thermal management interrupt */
79450fb8ebeSBenjamin Herrenschmidt #define SRR1_WAKERESET 0x00100000 /* System reset */
795755563bcSPaul Mackerras #define SRR1_WAKEHDBELL 0x000c0000 /* Hypervisor doorbell on P8 */
79650fb8ebeSBenjamin Herrenschmidt #define SRR1_WAKESTATE 0x00030000 /* Powersave exit mask [46:47] */
79710d91611SNicholas Piggin #define SRR1_WS_HVLOSS 0x00030000 /* HV resources not maintained */
79810d91611SNicholas Piggin #define SRR1_WS_GPRLOSS 0x00020000 /* GPRs not maintained */
79910d91611SNicholas Piggin #define SRR1_WS_NOLOSS 0x00010000 /* All resources maintained */
800d30a5a52SMichael Ellerman #define SRR1_PROGTM 0x00200000 /* TM Bad Thing */
80125a8a02dSAlexander Graf #define SRR1_PROGFPE 0x00100000 /* Floating Point Enabled */
80228c483b6SPaul Mackerras #define SRR1_PROGILL 0x00080000 /* Illegal instruction */
80325a8a02dSAlexander Graf #define SRR1_PROGPRIV 0x00040000 /* Privileged instruction */
80425a8a02dSAlexander Graf #define SRR1_PROGTRAP 0x00020000 /* Trap */
80525a8a02dSAlexander Graf #define SRR1_PROGADDR 0x00010000 /* SRR0 contains subsequent addr */
80650fb8ebeSBenjamin Herrenschmidt
8070deae39cSChristophe Leroy #define SRR1_MCE_MCP 0x00080000 /* Machine check signal caused interrupt */
808b691505eSJordan Niethe #define SRR1_BOUNDARY 0x10000000 /* Prefixed instruction crosses 64-byte boundary */
809b691505eSJordan Niethe #define SRR1_PREFIXED 0x20000000 /* Exception caused by prefixed instruction */
8100deae39cSChristophe Leroy
811b8b572e1SStephen Rothwell #define SPRN_HSRR0 0x13A /* Save/Restore Register 0 */
812b8b572e1SStephen Rothwell #define SPRN_HSRR1 0x13B /* Save/Restore Register 1 */
813b92a66a6SMichael Neuling #define HSRR1_DENORM 0x00100000 /* Denorm exception */
81432eb150aSPaul Mackerras #define HSRR1_HISI_WRITE 0x00010000 /* HISI bcs couldn't update mem */
815b8b572e1SStephen Rothwell
816b8b572e1SStephen Rothwell #define SPRN_TBCTL 0x35f /* PA6T Timebase control register */
817b8b572e1SStephen Rothwell #define TBCTL_FREEZE 0x0000000000000000ull /* Freeze all tbs */
818b8b572e1SStephen Rothwell #define TBCTL_RESTART 0x0000000100000000ull /* Restart all tbs */
819b8b572e1SStephen Rothwell #define TBCTL_UPDATE_UPPER 0x0000000200000000ull /* Set upper 32 bits */
820b8b572e1SStephen Rothwell #define TBCTL_UPDATE_LOWER 0x0000000300000000ull /* Set lower 32 bits */
821b8b572e1SStephen Rothwell
822b8b572e1SStephen Rothwell #ifndef SPRN_SVR
823b8b572e1SStephen Rothwell #define SPRN_SVR 0x11E /* System Version Register */
824b8b572e1SStephen Rothwell #endif
825b8b572e1SStephen Rothwell #define SPRN_THRM1 0x3FC /* Thermal Management Register 1 */
826b8b572e1SStephen Rothwell /* these bits were defined in inverted endian sense originally, ugh, confusing */
827b8b572e1SStephen Rothwell #define THRM1_TIN (1 << 31)
828b8b572e1SStephen Rothwell #define THRM1_TIV (1 << 30)
829b8b572e1SStephen Rothwell #define THRM1_THRES(x) ((x&0x7f)<<23)
83066943005SFinn Thain #define THRM3_SITV(x) ((x & 0x1fff) << 1)
831b8b572e1SStephen Rothwell #define THRM1_TID (1<<2)
832b8b572e1SStephen Rothwell #define THRM1_TIE (1<<1)
833b8b572e1SStephen Rothwell #define THRM1_V (1<<0)
834b8b572e1SStephen Rothwell #define SPRN_THRM2 0x3FD /* Thermal Management Register 2 */
835b8b572e1SStephen Rothwell #define SPRN_THRM3 0x3FE /* Thermal Management Register 3 */
836b8b572e1SStephen Rothwell #define THRM3_E (1<<0)
837b8b572e1SStephen Rothwell #define SPRN_TLBMISS 0x3D4 /* 980 7450 TLB Miss Register */
838b8b572e1SStephen Rothwell #define SPRN_UMMCR0 0x3A8 /* User Monitor Mode Control Register 0 */
839b8b572e1SStephen Rothwell #define SPRN_UMMCR1 0x3AC /* User Monitor Mode Control Register 0 */
840b8b572e1SStephen Rothwell #define SPRN_UPMC1 0x3A9 /* User Performance Counter Register 1 */
841b8b572e1SStephen Rothwell #define SPRN_UPMC2 0x3AA /* User Performance Counter Register 2 */
842b8b572e1SStephen Rothwell #define SPRN_UPMC3 0x3AD /* User Performance Counter Register 3 */
843b8b572e1SStephen Rothwell #define SPRN_UPMC4 0x3AE /* User Performance Counter Register 4 */
844b8b572e1SStephen Rothwell #define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */
845b8b572e1SStephen Rothwell #define SPRN_VRSAVE 0x100 /* Vector Register Save Register */
846b8b572e1SStephen Rothwell #define SPRN_XER 0x001 /* Fixed Point Exception Register */
847b8b572e1SStephen Rothwell
848d6d549b2SAlexander Graf #define SPRN_MMCR0_GEKKO 0x3B8 /* Gekko Monitor Mode Control Register 0 */
849d6d549b2SAlexander Graf #define SPRN_MMCR1_GEKKO 0x3BC /* Gekko Monitor Mode Control Register 1 */
850d6d549b2SAlexander Graf #define SPRN_PMC1_GEKKO 0x3B9 /* Gekko Performance Monitor Control 1 */
851d6d549b2SAlexander Graf #define SPRN_PMC2_GEKKO 0x3BA /* Gekko Performance Monitor Control 2 */
852d6d549b2SAlexander Graf #define SPRN_PMC3_GEKKO 0x3BD /* Gekko Performance Monitor Control 3 */
853d6d549b2SAlexander Graf #define SPRN_PMC4_GEKKO 0x3BE /* Gekko Performance Monitor Control 4 */
854d6d549b2SAlexander Graf #define SPRN_WPAR_GEKKO 0x399 /* Gekko Write Pipe Address Register */
855d6d549b2SAlexander Graf
856b8b572e1SStephen Rothwell #define SPRN_SCOMC 0x114 /* SCOM Access Control */
857b8b572e1SStephen Rothwell #define SPRN_SCOMD 0x115 /* SCOM Access DATA */
858b8b572e1SStephen Rothwell
859b8b572e1SStephen Rothwell /* Performance monitor SPRs */
860b8b572e1SStephen Rothwell #ifdef CONFIG_PPC64
861b8b572e1SStephen Rothwell #define SPRN_MMCR0 795
862b8b572e1SStephen Rothwell #define MMCR0_FC 0x80000000UL /* freeze counters */
863b8b572e1SStephen Rothwell #define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */
864b8b572e1SStephen Rothwell #define MMCR0_KERNEL_DISABLE MMCR0_FCS
865b8b572e1SStephen Rothwell #define MMCR0_FCP 0x20000000UL /* freeze in problem state */
866b8b572e1SStephen Rothwell #define MMCR0_PROBLEM_DISABLE MMCR0_FCP
867b8b572e1SStephen Rothwell #define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */
868b8b572e1SStephen Rothwell #define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */
8699bc01a9bSPaul Mackerras #define MMCR0_PMXE ASM_CONST(0x04000000) /* perf mon exception enable */
8709bc01a9bSPaul Mackerras #define MMCR0_FCECE ASM_CONST(0x02000000) /* freeze ctrs on enabled cond or event */
871b8b572e1SStephen Rothwell #define MMCR0_TBEE 0x00400000UL /* time base exception enable */
87276cb8a78SMichael Ellerman #define MMCR0_BHRBA 0x00200000UL /* BHRB Access allowed in userspace */
873330a1eb7SMichael Ellerman #define MMCR0_EBE 0x00100000UL /* Event based branch enable */
874330a1eb7SMichael Ellerman #define MMCR0_PMCC 0x000c0000UL /* PMC control */
87591668ab7SAthira Rajeev #define MMCR0_PMCCEXT ASM_CONST(0x00000200) /* PMCCEXT control */
876330a1eb7SMichael Ellerman #define MMCR0_PMCC_U6 0x00080000UL /* PMC1-6 are R/W by user (PR) */
877b8b572e1SStephen Rothwell #define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/
8789bc01a9bSPaul Mackerras #define MMCR0_PMCjCE ASM_CONST(0x00004000) /* PMCj count enable*/
879b8b572e1SStephen Rothwell #define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */
8809bc01a9bSPaul Mackerras #define MMCR0_PMAO_SYNC ASM_CONST(0x00000800) /* PMU intr is synchronous */
8819bc01a9bSPaul Mackerras #define MMCR0_C56RUN ASM_CONST(0x00000100) /* PMC5/6 count when RUN=0 */
8829bc01a9bSPaul Mackerras /* performance monitor alert has occurred, set to 0 after handling exception */
8839bc01a9bSPaul Mackerras #define MMCR0_PMAO ASM_CONST(0x00000080)
884b8b572e1SStephen Rothwell #define MMCR0_SHRFC 0x00000040UL /* SHRre freeze conditions between threads */
8857a7a41f9SMichael Ellerman #define MMCR0_FC56 0x00000010UL /* freeze counters 5 and 6 */
886b8b572e1SStephen Rothwell #define MMCR0_FCTI 0x00000008UL /* freeze counters in tags inactive mode */
887b8b572e1SStephen Rothwell #define MMCR0_FCTA 0x00000004UL /* freeze counters in tags active mode */
888b8b572e1SStephen Rothwell #define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */
889b8b572e1SStephen Rothwell #define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */
890b8b572e1SStephen Rothwell #define SPRN_MMCR1 798
8918dd75ccbSThomas Huth #define SPRN_MMCR2 785
892c718547eSMadhavan Srinivasan #define SPRN_MMCR3 754
893fa73c3b2SThomas Huth #define SPRN_UMMCR2 769
894c718547eSMadhavan Srinivasan #define SPRN_UMMCR3 738
895b8b572e1SStephen Rothwell #define SPRN_MMCRA 0x312
8960bbd0d4bSPaul Mackerras #define MMCRA_SDSYNC 0x80000000UL /* SDAR synced with SIAR */
89781cd5ae3SAnton Blanchard #define MMCRA_SDAR_DCACHE_MISS 0x40000000UL
89881cd5ae3SAnton Blanchard #define MMCRA_SDAR_ERAT_MISS 0x20000000UL
899b8b572e1SStephen Rothwell #define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */
900b8b572e1SStephen Rothwell #define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */
901b8b572e1SStephen Rothwell #define MMCRA_SLOT 0x07000000UL /* SLOT bits (37-39) */
902b8b572e1SStephen Rothwell #define MMCRA_SLOT_SHIFT 24
903b8b572e1SStephen Rothwell #define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */
904443359aeSAthira Rajeev #define MMCRA_BHRB_DISABLE _UL(0x2000000000) // BHRB disable bit for ISA v3.1
9050bbd0d4bSPaul Mackerras #define POWER6_MMCRA_SDSYNC 0x0000080000000000ULL /* SDAR/SIAR synced */
906b8b572e1SStephen Rothwell #define POWER6_MMCRA_SIHV 0x0000040000000000ULL
907b8b572e1SStephen Rothwell #define POWER6_MMCRA_SIPR 0x0000020000000000ULL
908b8b572e1SStephen Rothwell #define POWER6_MMCRA_THRM 0x00000020UL
909b8b572e1SStephen Rothwell #define POWER6_MMCRA_OTHER 0x0000000EUL
910e6878835Ssukadev@linux.vnet.ibm.com
911e6878835Ssukadev@linux.vnet.ibm.com #define POWER7P_MMCRA_SIAR_VALID 0x10000000 /* P7+ SIAR contents valid */
912e6878835Ssukadev@linux.vnet.ibm.com #define POWER7P_MMCRA_SDAR_VALID 0x08000000 /* P7+ SDAR contents valid */
913e6878835Ssukadev@linux.vnet.ibm.com
914240686c1SMichael Ellerman #define SPRN_MMCRH 316 /* Hypervisor monitor mode control register */
915240686c1SMichael Ellerman #define SPRN_MMCRS 894 /* Supervisor monitor mode control register */
916240686c1SMichael Ellerman #define SPRN_MMCRC 851 /* Core monitor mode control register */
9179353374bSMichael Ellerman #define SPRN_EBBHR 804 /* Event based branch handler register */
9189353374bSMichael Ellerman #define SPRN_EBBRR 805 /* Event based branch return register */
9199353374bSMichael Ellerman #define SPRN_BESCR 806 /* Branch event status and control register */
920c2e37a26SMichael Ellerman #define BESCR_GE 0x8000000000000000ULL /* Global Enable */
921b005255eSMichael Neuling #define SPRN_WORT 895 /* Workload optimization register - thread */
92277b54e9fSShreyas B. Prabhu #define SPRN_WORC 863 /* Workload optimization register - core */
923240686c1SMichael Ellerman
924b8b572e1SStephen Rothwell #define SPRN_PMC1 787
925b8b572e1SStephen Rothwell #define SPRN_PMC2 788
926b8b572e1SStephen Rothwell #define SPRN_PMC3 789
927b8b572e1SStephen Rothwell #define SPRN_PMC4 790
928b8b572e1SStephen Rothwell #define SPRN_PMC5 791
929b8b572e1SStephen Rothwell #define SPRN_PMC6 792
930b8b572e1SStephen Rothwell #define SPRN_PMC7 793
931b8b572e1SStephen Rothwell #define SPRN_PMC8 794
9328f61aa32SMichael Ellerman #define SPRN_SIER 784
9338f61aa32SMichael Ellerman #define SIER_SIPR 0x2000000 /* Sampled MSR_PR */
9348f61aa32SMichael Ellerman #define SIER_SIHV 0x1000000 /* Sampled MSR_HV */
9358f61aa32SMichael Ellerman #define SIER_SIAR_VALID 0x0400000 /* SIAR contents valid */
9368f61aa32SMichael Ellerman #define SIER_SDAR_VALID 0x0200000 /* SDAR contents valid */
937c718547eSMadhavan Srinivasan #define SPRN_SIER2 752
938c718547eSMadhavan Srinivasan #define SPRN_SIER3 753
939c718547eSMadhavan Srinivasan #define SPRN_USIER2 736
940c718547eSMadhavan Srinivasan #define SPRN_USIER3 737
941d23fac2bSThomas Huth #define SPRN_SIAR 796
942d23fac2bSThomas Huth #define SPRN_SDAR 797
943b005255eSMichael Neuling #define SPRN_TACR 888
944b005255eSMichael Neuling #define SPRN_TCSCR 889
945b005255eSMichael Neuling #define SPRN_CSIGR 890
946b005255eSMichael Neuling #define SPRN_SPMC1 892
947b005255eSMichael Neuling #define SPRN_SPMC2 893
948b8b572e1SStephen Rothwell
949330a1eb7SMichael Ellerman /* When EBB is enabled, some of MMCR0/MMCR2/SIER are user accessible */
950330a1eb7SMichael Ellerman #define MMCR0_USER_MASK (MMCR0_FC | MMCR0_PMXE | MMCR0_PMAO)
951330a1eb7SMichael Ellerman #define MMCR2_USER_MASK 0x4020100804020000UL /* (FC1P|FC2P|FC3P|FC4P|FC5P|FC6P) */
952330a1eb7SMichael Ellerman #define SIER_USER_MASK 0x7fffffUL
953330a1eb7SMichael Ellerman
954b8b572e1SStephen Rothwell #define SPRN_PA6T_MMCR0 795
955b8b572e1SStephen Rothwell #define PA6T_MMCR0_EN0 0x0000000000000001UL
956b8b572e1SStephen Rothwell #define PA6T_MMCR0_EN1 0x0000000000000002UL
957b8b572e1SStephen Rothwell #define PA6T_MMCR0_EN2 0x0000000000000004UL
958b8b572e1SStephen Rothwell #define PA6T_MMCR0_EN3 0x0000000000000008UL
959b8b572e1SStephen Rothwell #define PA6T_MMCR0_EN4 0x0000000000000010UL
960b8b572e1SStephen Rothwell #define PA6T_MMCR0_EN5 0x0000000000000020UL
961b8b572e1SStephen Rothwell #define PA6T_MMCR0_SUPEN 0x0000000000000040UL
962b8b572e1SStephen Rothwell #define PA6T_MMCR0_PREN 0x0000000000000080UL
963b8b572e1SStephen Rothwell #define PA6T_MMCR0_HYPEN 0x0000000000000100UL
964b8b572e1SStephen Rothwell #define PA6T_MMCR0_FCM0 0x0000000000000200UL
965b8b572e1SStephen Rothwell #define PA6T_MMCR0_FCM1 0x0000000000000400UL
966b8b572e1SStephen Rothwell #define PA6T_MMCR0_INTGEN 0x0000000000000800UL
967b8b572e1SStephen Rothwell #define PA6T_MMCR0_INTEN0 0x0000000000001000UL
968b8b572e1SStephen Rothwell #define PA6T_MMCR0_INTEN1 0x0000000000002000UL
969b8b572e1SStephen Rothwell #define PA6T_MMCR0_INTEN2 0x0000000000004000UL
970b8b572e1SStephen Rothwell #define PA6T_MMCR0_INTEN3 0x0000000000008000UL
971b8b572e1SStephen Rothwell #define PA6T_MMCR0_INTEN4 0x0000000000010000UL
972b8b572e1SStephen Rothwell #define PA6T_MMCR0_INTEN5 0x0000000000020000UL
973b8b572e1SStephen Rothwell #define PA6T_MMCR0_DISCNT 0x0000000000040000UL
974b8b572e1SStephen Rothwell #define PA6T_MMCR0_UOP 0x0000000000080000UL
975b8b572e1SStephen Rothwell #define PA6T_MMCR0_TRG 0x0000000000100000UL
976b8b572e1SStephen Rothwell #define PA6T_MMCR0_TRGEN 0x0000000000200000UL
977b8b572e1SStephen Rothwell #define PA6T_MMCR0_TRGREG 0x0000000001600000UL
978b8b572e1SStephen Rothwell #define PA6T_MMCR0_SIARLOG 0x0000000002000000UL
979b8b572e1SStephen Rothwell #define PA6T_MMCR0_SDARLOG 0x0000000004000000UL
980b8b572e1SStephen Rothwell #define PA6T_MMCR0_PROEN 0x0000000008000000UL
981b8b572e1SStephen Rothwell #define PA6T_MMCR0_PROLOG 0x0000000010000000UL
982b8b572e1SStephen Rothwell #define PA6T_MMCR0_DAMEN2 0x0000000020000000UL
983b8b572e1SStephen Rothwell #define PA6T_MMCR0_DAMEN3 0x0000000040000000UL
984b8b572e1SStephen Rothwell #define PA6T_MMCR0_DAMEN4 0x0000000080000000UL
985b8b572e1SStephen Rothwell #define PA6T_MMCR0_DAMEN5 0x0000000100000000UL
986b8b572e1SStephen Rothwell #define PA6T_MMCR0_DAMSEL2 0x0000000200000000UL
987b8b572e1SStephen Rothwell #define PA6T_MMCR0_DAMSEL3 0x0000000400000000UL
988b8b572e1SStephen Rothwell #define PA6T_MMCR0_DAMSEL4 0x0000000800000000UL
989b8b572e1SStephen Rothwell #define PA6T_MMCR0_DAMSEL5 0x0000001000000000UL
990b8b572e1SStephen Rothwell #define PA6T_MMCR0_HANDDIS 0x0000002000000000UL
991b8b572e1SStephen Rothwell #define PA6T_MMCR0_PCTEN 0x0000004000000000UL
992b8b572e1SStephen Rothwell #define PA6T_MMCR0_SOCEN 0x0000008000000000UL
993b8b572e1SStephen Rothwell #define PA6T_MMCR0_SOCMOD 0x0000010000000000UL
994b8b572e1SStephen Rothwell
995b8b572e1SStephen Rothwell #define SPRN_PA6T_MMCR1 798
996b8b572e1SStephen Rothwell #define PA6T_MMCR1_ES2 0x00000000000000ffUL
997b8b572e1SStephen Rothwell #define PA6T_MMCR1_ES3 0x000000000000ff00UL
998b8b572e1SStephen Rothwell #define PA6T_MMCR1_ES4 0x0000000000ff0000UL
999b8b572e1SStephen Rothwell #define PA6T_MMCR1_ES5 0x00000000ff000000UL
1000b8b572e1SStephen Rothwell
1001b8b572e1SStephen Rothwell #define SPRN_PA6T_UPMC0 771 /* User PerfMon Counter 0 */
1002b8b572e1SStephen Rothwell #define SPRN_PA6T_UPMC1 772 /* ... */
1003b8b572e1SStephen Rothwell #define SPRN_PA6T_UPMC2 773
1004b8b572e1SStephen Rothwell #define SPRN_PA6T_UPMC3 774
1005b8b572e1SStephen Rothwell #define SPRN_PA6T_UPMC4 775
1006b8b572e1SStephen Rothwell #define SPRN_PA6T_UPMC5 776
1007b8b572e1SStephen Rothwell #define SPRN_PA6T_UMMCR0 779 /* User Monitor Mode Control Register 0 */
1008b8b572e1SStephen Rothwell #define SPRN_PA6T_SIAR 780 /* Sampled Instruction Address */
1009b8b572e1SStephen Rothwell #define SPRN_PA6T_UMMCR1 782 /* User Monitor Mode Control Register 1 */
1010b8b572e1SStephen Rothwell #define SPRN_PA6T_SIER 785 /* Sampled Instruction Event Register */
1011b8b572e1SStephen Rothwell #define SPRN_PA6T_PMC0 787
1012b8b572e1SStephen Rothwell #define SPRN_PA6T_PMC1 788
1013b8b572e1SStephen Rothwell #define SPRN_PA6T_PMC2 789
1014b8b572e1SStephen Rothwell #define SPRN_PA6T_PMC3 790
1015b8b572e1SStephen Rothwell #define SPRN_PA6T_PMC4 791
1016b8b572e1SStephen Rothwell #define SPRN_PA6T_PMC5 792
1017b8b572e1SStephen Rothwell #define SPRN_PA6T_TSR0 793 /* Timestamp Register 0 */
1018b8b572e1SStephen Rothwell #define SPRN_PA6T_TSR1 794 /* Timestamp Register 1 */
1019b8b572e1SStephen Rothwell #define SPRN_PA6T_TSR2 799 /* Timestamp Register 2 */
1020b8b572e1SStephen Rothwell #define SPRN_PA6T_TSR3 784 /* Timestamp Register 3 */
1021b8b572e1SStephen Rothwell
1022b8b572e1SStephen Rothwell #define SPRN_PA6T_IER 981 /* Icache Error Register */
1023b8b572e1SStephen Rothwell #define SPRN_PA6T_DER 982 /* Dcache Error Register */
1024b8b572e1SStephen Rothwell #define SPRN_PA6T_BER 862 /* BIU Error Address Register */
1025b8b572e1SStephen Rothwell #define SPRN_PA6T_MER 849 /* MMU Error Register */
1026b8b572e1SStephen Rothwell
1027b8b572e1SStephen Rothwell #define SPRN_PA6T_IMA0 880 /* Instruction Match Array 0 */
1028b8b572e1SStephen Rothwell #define SPRN_PA6T_IMA1 881 /* ... */
1029b8b572e1SStephen Rothwell #define SPRN_PA6T_IMA2 882
1030b8b572e1SStephen Rothwell #define SPRN_PA6T_IMA3 883
1031b8b572e1SStephen Rothwell #define SPRN_PA6T_IMA4 884
1032b8b572e1SStephen Rothwell #define SPRN_PA6T_IMA5 885
1033b8b572e1SStephen Rothwell #define SPRN_PA6T_IMA6 886
1034b8b572e1SStephen Rothwell #define SPRN_PA6T_IMA7 887
1035b8b572e1SStephen Rothwell #define SPRN_PA6T_IMA8 888
1036b8b572e1SStephen Rothwell #define SPRN_PA6T_IMA9 889
1037b8b572e1SStephen Rothwell #define SPRN_PA6T_BTCR 978 /* Breakpoint and Tagging Control Register */
1038b8b572e1SStephen Rothwell #define SPRN_PA6T_IMAAT 979 /* Instruction Match Array Action Table */
1039b8b572e1SStephen Rothwell #define SPRN_PA6T_PCCR 1019 /* Power Counter Control Register */
1040b8b572e1SStephen Rothwell #define SPRN_BKMK 1020 /* Cell Bookmark Register */
1041b8b572e1SStephen Rothwell #define SPRN_PA6T_RPCCR 1021 /* Retire PC Trace Control Register */
1042b8b572e1SStephen Rothwell
1043b8b572e1SStephen Rothwell
1044b8b572e1SStephen Rothwell #else /* 32-bit */
1045b8b572e1SStephen Rothwell #define SPRN_MMCR0 952 /* Monitor Mode Control Register 0 */
1046b8b572e1SStephen Rothwell #define MMCR0_FC 0x80000000UL /* freeze counters */
1047b8b572e1SStephen Rothwell #define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */
1048b8b572e1SStephen Rothwell #define MMCR0_FCP 0x20000000UL /* freeze in problem state */
1049b8b572e1SStephen Rothwell #define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */
1050b8b572e1SStephen Rothwell #define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */
1051b8b572e1SStephen Rothwell #define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */
1052b8b572e1SStephen Rothwell #define MMCR0_FCECE 0x02000000UL /* freeze ctrs on enabled cond or event */
1053b8b572e1SStephen Rothwell #define MMCR0_TBEE 0x00400000UL /* time base exception enable */
1054b8b572e1SStephen Rothwell #define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/
1055b8b572e1SStephen Rothwell #define MMCR0_PMCnCE 0x00004000UL /* count enable for all but PMC 1*/
1056b8b572e1SStephen Rothwell #define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */
1057b8b572e1SStephen Rothwell #define MMCR0_PMC1SEL 0x00001fc0UL /* PMC 1 Event */
1058b8b572e1SStephen Rothwell #define MMCR0_PMC2SEL 0x0000003fUL /* PMC 2 Event */
1059b8b572e1SStephen Rothwell
1060b8b572e1SStephen Rothwell #define SPRN_MMCR1 956
1061b8b572e1SStephen Rothwell #define MMCR1_PMC3SEL 0xf8000000UL /* PMC 3 Event */
1062b8b572e1SStephen Rothwell #define MMCR1_PMC4SEL 0x07c00000UL /* PMC 4 Event */
1063b8b572e1SStephen Rothwell #define MMCR1_PMC5SEL 0x003e0000UL /* PMC 5 Event */
1064b8b572e1SStephen Rothwell #define MMCR1_PMC6SEL 0x0001f800UL /* PMC 6 Event */
1065b8b572e1SStephen Rothwell #define SPRN_MMCR2 944
1066b8b572e1SStephen Rothwell #define SPRN_PMC1 953 /* Performance Counter Register 1 */
1067b8b572e1SStephen Rothwell #define SPRN_PMC2 954 /* Performance Counter Register 2 */
1068b8b572e1SStephen Rothwell #define SPRN_PMC3 957 /* Performance Counter Register 3 */
1069b8b572e1SStephen Rothwell #define SPRN_PMC4 958 /* Performance Counter Register 4 */
1070b8b572e1SStephen Rothwell #define SPRN_PMC5 945 /* Performance Counter Register 5 */
1071b8b572e1SStephen Rothwell #define SPRN_PMC6 946 /* Performance Counter Register 6 */
1072b8b572e1SStephen Rothwell
1073b8b572e1SStephen Rothwell #define SPRN_SIAR 955 /* Sampled Instruction Address Register */
1074b8b572e1SStephen Rothwell
1075b8b572e1SStephen Rothwell /* Bit definitions for MMCR0 and PMC1 / PMC2. */
1076b8b572e1SStephen Rothwell #define MMCR0_PMC1_CYCLES (1 << 7)
1077b8b572e1SStephen Rothwell #define MMCR0_PMC1_ICACHEMISS (5 << 7)
1078b8b572e1SStephen Rothwell #define MMCR0_PMC1_DTLB (6 << 7)
1079b8b572e1SStephen Rothwell #define MMCR0_PMC2_DCACHEMISS 0x6
1080b8b572e1SStephen Rothwell #define MMCR0_PMC2_CYCLES 0x1
1081b8b572e1SStephen Rothwell #define MMCR0_PMC2_ITLB 0x7
1082b8b572e1SStephen Rothwell #define MMCR0_PMC2_LOADMISSTIME 0x5
1083b8b572e1SStephen Rothwell #endif
1084b8b572e1SStephen Rothwell
1085b8b572e1SStephen Rothwell /*
1086ee43eb78SBenjamin Herrenschmidt * SPRG usage:
1087ee43eb78SBenjamin Herrenschmidt *
1088ee43eb78SBenjamin Herrenschmidt * All 64-bit:
10892dd60d79SBenjamin Herrenschmidt * - SPRG1 stores PACA pointer except 64-bit server in
10902dd60d79SBenjamin Herrenschmidt * HV mode in which case it is HSPRG0
1091ee43eb78SBenjamin Herrenschmidt *
1092ee43eb78SBenjamin Herrenschmidt * 64-bit server:
109398ae22e1SMichael Neuling * - SPRG0 scratch for TM recheckpoint/reclaim (reserved for HV on Power4)
1094063517beSBenjamin Herrenschmidt * - SPRG2 scratch for exception vectors
109518ad51ddSAnton Blanchard * - SPRG3 CPU and NUMA node for VDSO getcpu (user visible)
10962dd60d79SBenjamin Herrenschmidt * - HSPRG0 stores PACA in HV mode
10972dd60d79SBenjamin Herrenschmidt * - HSPRG1 scratch for "HV" exceptions
1098ee43eb78SBenjamin Herrenschmidt *
109913363ab9SBenjamin Herrenschmidt * 64-bit embedded
110013363ab9SBenjamin Herrenschmidt * - SPRG0 generic exception scratch
110113363ab9SBenjamin Herrenschmidt * - SPRG2 TLB exception stack
11029d378dfaSScott Wood * - SPRG3 critical exception scratch (user visible, sorry!)
110313363ab9SBenjamin Herrenschmidt * - SPRG4 unused (user visible)
110413363ab9SBenjamin Herrenschmidt * - SPRG6 TLB miss scratch (user visible, sorry !)
11059d378dfaSScott Wood * - SPRG7 CPU and NUMA node for VDSO getcpu (user visible)
110613363ab9SBenjamin Herrenschmidt * - SPRG8 machine check exception scratch
110713363ab9SBenjamin Herrenschmidt * - SPRG9 debug exception scratch
110813363ab9SBenjamin Herrenschmidt *
1109ee43eb78SBenjamin Herrenschmidt * All 32-bit:
11104e67bfd7SChristophe Leroy * - SPRG3 current thread_struct physical addr pointer
1111ee43eb78SBenjamin Herrenschmidt * (virtual on BookE, physical on others)
1112ee43eb78SBenjamin Herrenschmidt *
1113ee43eb78SBenjamin Herrenschmidt * 32-bit classic:
1114ee43eb78SBenjamin Herrenschmidt * - SPRG0 scratch for exception vectors
1115ee43eb78SBenjamin Herrenschmidt * - SPRG1 scratch for exception vectors
1116ee43eb78SBenjamin Herrenschmidt * - SPRG2 indicator that we are in RTAS
1117ee43eb78SBenjamin Herrenschmidt * - SPRG4 (603 only) pseudo TLB LRU data
1118ee43eb78SBenjamin Herrenschmidt *
1119ee43eb78SBenjamin Herrenschmidt * 32-bit 40x:
1120ee43eb78SBenjamin Herrenschmidt * - SPRG0 scratch for exception vectors
1121ee43eb78SBenjamin Herrenschmidt * - SPRG1 scratch for exception vectors
1122ee43eb78SBenjamin Herrenschmidt * - SPRG2 scratch for exception vectors
1123ee43eb78SBenjamin Herrenschmidt * - SPRG4 scratch for exception vectors (not 403)
1124ee43eb78SBenjamin Herrenschmidt * - SPRG5 scratch for exception vectors (not 403)
1125ee43eb78SBenjamin Herrenschmidt * - SPRG6 scratch for exception vectors (not 403)
1126ee43eb78SBenjamin Herrenschmidt * - SPRG7 scratch for exception vectors (not 403)
1127ee43eb78SBenjamin Herrenschmidt *
1128ee43eb78SBenjamin Herrenschmidt * 32-bit 440 and FSL BookE:
1129ee43eb78SBenjamin Herrenschmidt * - SPRG0 scratch for exception vectors
1130ee43eb78SBenjamin Herrenschmidt * - SPRG1 scratch for exception vectors (*)
1131ee43eb78SBenjamin Herrenschmidt * - SPRG2 scratch for crit interrupts handler
1132ee43eb78SBenjamin Herrenschmidt * - SPRG4 scratch for exception vectors
1133ee43eb78SBenjamin Herrenschmidt * - SPRG5 scratch for exception vectors
1134ee43eb78SBenjamin Herrenschmidt * - SPRG6 scratch for machine check handler
1135ee43eb78SBenjamin Herrenschmidt * - SPRG7 scratch for exception vectors
1136ee43eb78SBenjamin Herrenschmidt * - SPRG9 scratch for debug vectors (e500 only)
1137ee43eb78SBenjamin Herrenschmidt *
1138ee43eb78SBenjamin Herrenschmidt * Additionally, BookE separates "read" and "write"
1139ee43eb78SBenjamin Herrenschmidt * of those registers. That allows to use the userspace
1140ee43eb78SBenjamin Herrenschmidt * readable variant for reads, which can avoid a fault
1141ee43eb78SBenjamin Herrenschmidt * with KVM type virtualization.
1142ee43eb78SBenjamin Herrenschmidt *
1143ee43eb78SBenjamin Herrenschmidt * 32-bit 8xx:
1144ee43eb78SBenjamin Herrenschmidt * - SPRG0 scratch for exception vectors
1145ee43eb78SBenjamin Herrenschmidt * - SPRG1 scratch for exception vectors
1146ae466bdeSLEROY Christophe * - SPRG2 scratch for exception vectors
1147ee43eb78SBenjamin Herrenschmidt *
1148ee43eb78SBenjamin Herrenschmidt */
1149ee43eb78SBenjamin Herrenschmidt #ifdef CONFIG_PPC64
1150063517beSBenjamin Herrenschmidt #define SPRN_SPRG_PACA SPRN_SPRG1
1151ee43eb78SBenjamin Herrenschmidt #else
1152ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_THREAD SPRN_SPRG3
1153ee43eb78SBenjamin Herrenschmidt #endif
1154ee43eb78SBenjamin Herrenschmidt
1155ee43eb78SBenjamin Herrenschmidt #ifdef CONFIG_PPC_BOOK3S_64
1156063517beSBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH0 SPRN_SPRG2
11572dd60d79SBenjamin Herrenschmidt #define SPRN_SPRG_HPACA SPRN_HSPRG0
11582dd60d79SBenjamin Herrenschmidt #define SPRN_SPRG_HSCRATCH0 SPRN_HSPRG1
11599d378dfaSScott Wood #define SPRN_SPRG_VDSO_READ SPRN_USPRG3
11609d378dfaSScott Wood #define SPRN_SPRG_VDSO_WRITE SPRN_SPRG3
11612dd60d79SBenjamin Herrenschmidt
11622dd60d79SBenjamin Herrenschmidt #define GET_PACA(rX) \
11632dd60d79SBenjamin Herrenschmidt BEGIN_FTR_SECTION_NESTED(66); \
11642dd60d79SBenjamin Herrenschmidt mfspr rX,SPRN_SPRG_PACA; \
11652dd60d79SBenjamin Herrenschmidt FTR_SECTION_ELSE_NESTED(66); \
11662dd60d79SBenjamin Herrenschmidt mfspr rX,SPRN_SPRG_HPACA; \
1167969391c5SPaul Mackerras ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
11682dd60d79SBenjamin Herrenschmidt
11692dd60d79SBenjamin Herrenschmidt #define SET_PACA(rX) \
11702dd60d79SBenjamin Herrenschmidt BEGIN_FTR_SECTION_NESTED(66); \
11712dd60d79SBenjamin Herrenschmidt mtspr SPRN_SPRG_PACA,rX; \
11722dd60d79SBenjamin Herrenschmidt FTR_SECTION_ELSE_NESTED(66); \
11732dd60d79SBenjamin Herrenschmidt mtspr SPRN_SPRG_HPACA,rX; \
1174969391c5SPaul Mackerras ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
1175673b189aSPaul Mackerras
1176673b189aSPaul Mackerras #define GET_SCRATCH0(rX) \
1177673b189aSPaul Mackerras BEGIN_FTR_SECTION_NESTED(66); \
1178673b189aSPaul Mackerras mfspr rX,SPRN_SPRG_SCRATCH0; \
1179673b189aSPaul Mackerras FTR_SECTION_ELSE_NESTED(66); \
1180673b189aSPaul Mackerras mfspr rX,SPRN_SPRG_HSCRATCH0; \
1181969391c5SPaul Mackerras ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
1182673b189aSPaul Mackerras
1183673b189aSPaul Mackerras #define SET_SCRATCH0(rX) \
1184673b189aSPaul Mackerras BEGIN_FTR_SECTION_NESTED(66); \
1185673b189aSPaul Mackerras mtspr SPRN_SPRG_SCRATCH0,rX; \
1186673b189aSPaul Mackerras FTR_SECTION_ELSE_NESTED(66); \
1187673b189aSPaul Mackerras mtspr SPRN_SPRG_HSCRATCH0,rX; \
1188969391c5SPaul Mackerras ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
1189593adf31SPaul Mackerras
1190593adf31SPaul Mackerras #else /* CONFIG_PPC_BOOK3S_64 */
1191593adf31SPaul Mackerras #define GET_SCRATCH0(rX) mfspr rX,SPRN_SPRG_SCRATCH0
1192593adf31SPaul Mackerras #define SET_SCRATCH0(rX) mtspr SPRN_SPRG_SCRATCH0,rX
1193593adf31SPaul Mackerras
1194ee43eb78SBenjamin Herrenschmidt #endif
1195ee43eb78SBenjamin Herrenschmidt
119613363ab9SBenjamin Herrenschmidt #ifdef CONFIG_PPC_BOOK3E_64
119713363ab9SBenjamin Herrenschmidt #define SPRN_SPRG_MC_SCRATCH SPRN_SPRG8
11988b64a9dfSMihai Caraman #define SPRN_SPRG_CRIT_SCRATCH SPRN_SPRG3
119913363ab9SBenjamin Herrenschmidt #define SPRN_SPRG_DBG_SCRATCH SPRN_SPRG9
120013363ab9SBenjamin Herrenschmidt #define SPRN_SPRG_TLB_EXFRAME SPRN_SPRG2
120113363ab9SBenjamin Herrenschmidt #define SPRN_SPRG_TLB_SCRATCH SPRN_SPRG6
120213363ab9SBenjamin Herrenschmidt #define SPRN_SPRG_GEN_SCRATCH SPRN_SPRG0
12035473eb1cSMihai Caraman #define SPRN_SPRG_GDBELL_SCRATCH SPRN_SPRG_GEN_SCRATCH
12049d378dfaSScott Wood #define SPRN_SPRG_VDSO_READ SPRN_USPRG7
12059d378dfaSScott Wood #define SPRN_SPRG_VDSO_WRITE SPRN_SPRG7
12062dd60d79SBenjamin Herrenschmidt
12072dd60d79SBenjamin Herrenschmidt #define SET_PACA(rX) mtspr SPRN_SPRG_PACA,rX
12082dd60d79SBenjamin Herrenschmidt #define GET_PACA(rX) mfspr rX,SPRN_SPRG_PACA
12092dd60d79SBenjamin Herrenschmidt
121013363ab9SBenjamin Herrenschmidt #endif
121113363ab9SBenjamin Herrenschmidt
1212ee43eb78SBenjamin Herrenschmidt #ifdef CONFIG_PPC_BOOK3S_32
1213ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0
1214ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1
1215de1cd079SChristophe Leroy #define SPRN_SPRG_SCRATCH2 SPRN_SPRG2
1216ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_603_LRU SPRN_SPRG4
1217ee43eb78SBenjamin Herrenschmidt #endif
1218ee43eb78SBenjamin Herrenschmidt
1219ee43eb78SBenjamin Herrenschmidt #ifdef CONFIG_40x
1220ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0
1221ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1
1222ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH2 SPRN_SPRG2
1223ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH3 SPRN_SPRG4
1224ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH4 SPRN_SPRG5
1225ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH5 SPRN_SPRG6
1226ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH6 SPRN_SPRG7
1227ee43eb78SBenjamin Herrenschmidt #endif
1228ee43eb78SBenjamin Herrenschmidt
1229ee43eb78SBenjamin Herrenschmidt #ifdef CONFIG_BOOKE
1230ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_RSCRATCH0 SPRN_SPRG0
1231ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_WSCRATCH0 SPRN_SPRG0
1232ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_RSCRATCH1 SPRN_SPRG1
1233ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_WSCRATCH1 SPRN_SPRG1
1234ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_RSCRATCH_CRIT SPRN_SPRG2
1235ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_WSCRATCH_CRIT SPRN_SPRG2
1236ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_RSCRATCH2 SPRN_SPRG4R
1237ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_WSCRATCH2 SPRN_SPRG4W
1238ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_RSCRATCH3 SPRN_SPRG5R
1239ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_WSCRATCH3 SPRN_SPRG5W
12401325a684SAshish Kalra #define SPRN_SPRG_RSCRATCH_MC SPRN_SPRG1
12411325a684SAshish Kalra #define SPRN_SPRG_WSCRATCH_MC SPRN_SPRG1
1242ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_RSCRATCH4 SPRN_SPRG7R
1243ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_WSCRATCH4 SPRN_SPRG7W
1244ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_RSCRATCH_DBG SPRN_SPRG9
1245ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_WSCRATCH_DBG SPRN_SPRG9
1246ee43eb78SBenjamin Herrenschmidt #endif
1247ee43eb78SBenjamin Herrenschmidt
1248968159c0SChristophe Leroy #ifdef CONFIG_PPC_8xx
1249ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0
1250ee43eb78SBenjamin Herrenschmidt #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1
1251ae466bdeSLEROY Christophe #define SPRN_SPRG_SCRATCH2 SPRN_SPRG2
1252ee43eb78SBenjamin Herrenschmidt #endif
1253ee43eb78SBenjamin Herrenschmidt
12542dd60d79SBenjamin Herrenschmidt
12552dd60d79SBenjamin Herrenschmidt
1256ee43eb78SBenjamin Herrenschmidt /*
1257b8b572e1SStephen Rothwell * An mtfsf instruction with the L bit set. On CPUs that support this a
1258b8b572e1SStephen Rothwell * full 64bits of FPSCR is restored and on other CPUs the L bit is ignored.
1259b8b572e1SStephen Rothwell *
1260b8b572e1SStephen Rothwell * Until binutils gets the new form of mtfsf, hardwire the instruction.
1261b8b572e1SStephen Rothwell */
1262b8b572e1SStephen Rothwell #ifdef CONFIG_PPC64
1263b8b572e1SStephen Rothwell #define MTFSF_L(REG) \
1264b8b572e1SStephen Rothwell .long (0xfc00058e | ((0xff) << 17) | ((REG) << 11) | (1 << 25))
1265b8b572e1SStephen Rothwell #else
1266b8b572e1SStephen Rothwell #define MTFSF_L(REG) mtfsf 0xff, (REG)
1267b8b572e1SStephen Rothwell #endif
1268b8b572e1SStephen Rothwell
1269b8b572e1SStephen Rothwell /* Processor Version Register (PVR) field extraction */
1270b8b572e1SStephen Rothwell
1271b8b572e1SStephen Rothwell #define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
1272b8b572e1SStephen Rothwell #define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
1273b8b572e1SStephen Rothwell
1274d3dbeef6SMichael Ellerman #define pvr_version_is(pvr) (PVR_VER(mfspr(SPRN_PVR)) == (pvr))
1275b8b572e1SStephen Rothwell
1276b8b572e1SStephen Rothwell /*
1277b8b572e1SStephen Rothwell * IBM has further subdivided the standard PowerPC 16-bit version and
1278b8b572e1SStephen Rothwell * revision subfields of the PVR for the PowerPC 403s into the following:
1279b8b572e1SStephen Rothwell */
1280b8b572e1SStephen Rothwell
1281b8b572e1SStephen Rothwell #define PVR_FAM(pvr) (((pvr) >> 20) & 0xFFF) /* Family field */
1282b8b572e1SStephen Rothwell #define PVR_MEM(pvr) (((pvr) >> 16) & 0xF) /* Member field */
1283b8b572e1SStephen Rothwell #define PVR_CORE(pvr) (((pvr) >> 12) & 0xF) /* Core field */
1284b8b572e1SStephen Rothwell #define PVR_CFG(pvr) (((pvr) >> 8) & 0xF) /* Configuration field */
1285b8b572e1SStephen Rothwell #define PVR_MAJ(pvr) (((pvr) >> 4) & 0xF) /* Major revision field */
1286b8b572e1SStephen Rothwell #define PVR_MIN(pvr) (((pvr) >> 0) & 0xF) /* Minor revision field */
1287b8b572e1SStephen Rothwell
1288b8b572e1SStephen Rothwell /* Processor Version Numbers */
1289b8b572e1SStephen Rothwell
1290b8b572e1SStephen Rothwell #define PVR_403GA 0x00200000
1291b8b572e1SStephen Rothwell #define PVR_403GB 0x00200100
1292b8b572e1SStephen Rothwell #define PVR_403GC 0x00200200
1293b8b572e1SStephen Rothwell #define PVR_403GCX 0x00201400
1294b8b572e1SStephen Rothwell #define PVR_405GP 0x40110000
1295e7f75ad0SDave Kleikamp #define PVR_476 0x11a52000
1296df777bd3STony Breeds #define PVR_476FPE 0x7ff50000
1297b8b572e1SStephen Rothwell #define PVR_STB03XXX 0x40310000
1298b8b572e1SStephen Rothwell #define PVR_NP405H 0x41410000
1299b8b572e1SStephen Rothwell #define PVR_NP405L 0x41610000
1300b8b572e1SStephen Rothwell #define PVR_601 0x00010000
1301b8b572e1SStephen Rothwell #define PVR_602 0x00050000
1302b8b572e1SStephen Rothwell #define PVR_603 0x00030000
1303b8b572e1SStephen Rothwell #define PVR_603e 0x00060000
1304b8b572e1SStephen Rothwell #define PVR_603ev 0x00070000
1305b8b572e1SStephen Rothwell #define PVR_603r 0x00071000
1306b8b572e1SStephen Rothwell #define PVR_604 0x00040000
1307b8b572e1SStephen Rothwell #define PVR_604e 0x00090000
1308b8b572e1SStephen Rothwell #define PVR_604r 0x000A0000
1309b8b572e1SStephen Rothwell #define PVR_620 0x00140000
1310b8b572e1SStephen Rothwell #define PVR_740 0x00080000
1311b8b572e1SStephen Rothwell #define PVR_750 PVR_740
1312b8b572e1SStephen Rothwell #define PVR_740P 0x10080000
1313b8b572e1SStephen Rothwell #define PVR_750P PVR_740P
1314b8b572e1SStephen Rothwell #define PVR_7400 0x000C0000
1315b8b572e1SStephen Rothwell #define PVR_7410 0x800C0000
1316b8b572e1SStephen Rothwell #define PVR_7450 0x80000000
1317b8b572e1SStephen Rothwell #define PVR_8540 0x80200000
1318b8b572e1SStephen Rothwell #define PVR_8560 0x80200000
1319ac6f1203SLiu Yu #define PVR_VER_E500V1 0x8020
1320ac6f1203SLiu Yu #define PVR_VER_E500V2 0x8021
1321b0b7dcbdSWang Dongsheng #define PVR_VER_E500MC 0x8023
1322b0b7dcbdSWang Dongsheng #define PVR_VER_E5500 0x8024
132371a6fa17SWang Dongsheng #define PVR_VER_E6500 0x8040
1324e7299f96SChristophe Leroy #define PVR_VER_7450 0x8000
1325e7299f96SChristophe Leroy #define PVR_VER_7455 0x8001
1326e7299f96SChristophe Leroy #define PVR_VER_7447 0x8002
1327e7299f96SChristophe Leroy #define PVR_VER_7447A 0x8003
1328e7299f96SChristophe Leroy #define PVR_VER_7448 0x8004
132971a6fa17SWang Dongsheng
1330b8b572e1SStephen Rothwell /*
1331b8b572e1SStephen Rothwell * For the 8xx processors, all of them report the same PVR family for
1332b8b572e1SStephen Rothwell * the PowerPC core. The various versions of these processors must be
1333b8b572e1SStephen Rothwell * differentiated by the version number in the Communication Processor
1334b8b572e1SStephen Rothwell * Module (CPM).
1335b8b572e1SStephen Rothwell */
13363ee87674SChristophe Leroy #define PVR_8xx 0x00500000
13373ee87674SChristophe Leroy
1338b8b572e1SStephen Rothwell #define PVR_8240 0x00810100
1339b8b572e1SStephen Rothwell #define PVR_8245 0x80811014
1340b8b572e1SStephen Rothwell #define PVR_8260 PVR_8240
1341b8b572e1SStephen Rothwell
1342b4e8c8ddSTorez Smith /* 476 Simulator seems to currently have the PVR of the 602... */
1343b4e8c8ddSTorez Smith #define PVR_476_ISS 0x00052000
1344b4e8c8ddSTorez Smith
1345b8b572e1SStephen Rothwell /* 64-bit processors */
1346d3dbeef6SMichael Ellerman #define PVR_NORTHSTAR 0x0033
1347d3dbeef6SMichael Ellerman #define PVR_PULSAR 0x0034
1348d3dbeef6SMichael Ellerman #define PVR_POWER4 0x0035
1349d3dbeef6SMichael Ellerman #define PVR_ICESTAR 0x0036
1350d3dbeef6SMichael Ellerman #define PVR_SSTAR 0x0037
1351d3dbeef6SMichael Ellerman #define PVR_POWER4p 0x0038
1352d3dbeef6SMichael Ellerman #define PVR_970 0x0039
1353d3dbeef6SMichael Ellerman #define PVR_POWER5 0x003A
1354d3dbeef6SMichael Ellerman #define PVR_POWER5p 0x003B
1355d3dbeef6SMichael Ellerman #define PVR_970FX 0x003C
1356d3dbeef6SMichael Ellerman #define PVR_POWER6 0x003E
1357d3dbeef6SMichael Ellerman #define PVR_POWER7 0x003F
1358d3dbeef6SMichael Ellerman #define PVR_630 0x0040
1359d3dbeef6SMichael Ellerman #define PVR_630p 0x0041
1360d3dbeef6SMichael Ellerman #define PVR_970MP 0x0044
1361d3dbeef6SMichael Ellerman #define PVR_970GX 0x0045
136222d8ce88Ssukadev@linux.vnet.ibm.com #define PVR_POWER7p 0x004A
136333959f88SMichael Neuling #define PVR_POWER8E 0x004B
136486c9ffccSPhilippe Bergheaud #define PVR_POWER8NVL 0x004C
136533959f88SMichael Neuling #define PVR_POWER8 0x004D
13665a61ef74SNicholas Piggin #define PVR_POWER9 0x004E
1367ffd2961bSNicholas Piggin #define PVR_POWER10 0x0080
1368d3dbeef6SMichael Ellerman #define PVR_BE 0x0070
1369d3dbeef6SMichael Ellerman #define PVR_PA6T 0x0090
1370b8b572e1SStephen Rothwell
1371388cc6e1SPaul Mackerras /* "Logical" PVR values defined in PAPR, representing architecture levels */
1372388cc6e1SPaul Mackerras #define PVR_ARCH_204 0x0f000001
1373388cc6e1SPaul Mackerras #define PVR_ARCH_205 0x0f000002
1374388cc6e1SPaul Mackerras #define PVR_ARCH_206 0x0f000003
1375388cc6e1SPaul Mackerras #define PVR_ARCH_206p 0x0f100003
1376388cc6e1SPaul Mackerras #define PVR_ARCH_207 0x0f000004
13779dd17e85SSuraj Jitindar Singh #define PVR_ARCH_300 0x0f000005
13784cb4ade1SAlistair Popple #define PVR_ARCH_31 0x0f000006
1379388cc6e1SPaul Mackerras
1380b8b572e1SStephen Rothwell /* Macros for setting and retrieving special purpose registers */
1381b8b572e1SStephen Rothwell #ifndef __ASSEMBLY__
13829b307576SChristophe Leroy
13839b307576SChristophe Leroy #if defined(CONFIG_PPC64) || defined(__CHECKER__)
13849b307576SChristophe Leroy typedef struct {
13859b307576SChristophe Leroy u32 val;
13869b307576SChristophe Leroy #ifdef CONFIG_PPC64
13879b307576SChristophe Leroy u32 suffix;
13889b307576SChristophe Leroy #endif
13899b307576SChristophe Leroy } __packed ppc_inst_t;
13909b307576SChristophe Leroy #else
13919b307576SChristophe Leroy typedef u32 ppc_inst_t;
13929b307576SChristophe Leroy #endif
13939b307576SChristophe Leroy
1394b8b572e1SStephen Rothwell #define mfmsr() ({unsigned long rval; \
1395b416c9a1STiejun Chen asm volatile("mfmsr %0" : "=r" (rval) : \
1396b416c9a1STiejun Chen : "memory"); rval;})
13970866eb99SBenjamin Herrenschmidt #ifdef CONFIG_PPC_BOOK3S_64
1398b8b572e1SStephen Rothwell #define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \
13994c75f84fSPaul Mackerras : : "r" (v) : "memory")
14001c539731SAnton Blanchard #define mtmsr(v) __mtmsrd((v), 0)
1401611b0e5cSAnton Blanchard #define __MTMSR "mtmsrd"
1402b8b572e1SStephen Rothwell #else
1403326ed6a9SScott Wood #define mtmsr(v) asm volatile("mtmsr %0" : \
1404326ed6a9SScott Wood : "r" ((unsigned long)(v)) \
1405326ed6a9SScott Wood : "memory")
140608353779SChristophe Leroy #define __mtmsrd(v, l) BUILD_BUG()
1407611b0e5cSAnton Blanchard #define __MTMSR "mtmsr"
1408b8b572e1SStephen Rothwell #endif
1409b8b572e1SStephen Rothwell
mtmsr_isync(unsigned long val)1410611b0e5cSAnton Blanchard static inline void mtmsr_isync(unsigned long val)
1411611b0e5cSAnton Blanchard {
1412611b0e5cSAnton Blanchard asm volatile(__MTMSR " %0; " ASM_FTR_IFCLR("isync", "nop", %1) : :
1413611b0e5cSAnton Blanchard "r" (val), "i" (CPU_FTR_ARCH_206) : "memory");
1414611b0e5cSAnton Blanchard }
1415611b0e5cSAnton Blanchard
1416b8b572e1SStephen Rothwell #define mfspr(rn) ({unsigned long rval; \
1417b8b572e1SStephen Rothwell asm volatile("mfspr %0," __stringify(rn) \
1418b8b572e1SStephen Rothwell : "=r" (rval)); rval;})
1419326ed6a9SScott Wood #define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : \
1420326ed6a9SScott Wood : "r" ((unsigned long)(v)) \
14212fae0a52SBenjamin Herrenschmidt : "memory")
1422867e7624SChristophe Leroy #define wrtspr(rn) asm volatile("mtspr " __stringify(rn) ",2" : : : "memory")
1423b8b572e1SStephen Rothwell
wrtee(unsigned long val)1424b020aa9dSChristophe Leroy static inline void wrtee(unsigned long val)
1425b020aa9dSChristophe Leroy {
1426b020aa9dSChristophe Leroy if (__builtin_constant_p(val))
1427b020aa9dSChristophe Leroy asm volatile("wrteei %0" : : "i" ((val & MSR_EE) ? 1 : 0) : "memory");
1428b020aa9dSChristophe Leroy else
1429b020aa9dSChristophe Leroy asm volatile("wrtee %0" : : "r" (val) : "memory");
1430b020aa9dSChristophe Leroy }
1431b020aa9dSChristophe Leroy
14323cee070aSCyril Bur extern unsigned long msr_check_and_set(unsigned long bits);
14333eb5d588SAnton Blanchard extern bool strict_msr_control;
14343eb5d588SAnton Blanchard extern void __msr_check_and_clear(unsigned long bits);
msr_check_and_clear(unsigned long bits)14353eb5d588SAnton Blanchard static inline void msr_check_and_clear(unsigned long bits)
14363eb5d588SAnton Blanchard {
14373eb5d588SAnton Blanchard if (strict_msr_control)
14383eb5d588SAnton Blanchard __msr_check_and_clear(bits);
14393eb5d588SAnton Blanchard }
14403eb5d588SAnton Blanchard
1441b8b572e1SStephen Rothwell #ifdef CONFIG_PPC32
mfsr(u32 idx)1442179ae57dSChristophe Leroy static inline u32 mfsr(u32 idx)
1443fd659e8fSChristophe Leroy {
1444fd659e8fSChristophe Leroy u32 val;
1445fd659e8fSChristophe Leroy
1446b842d131SChristophe Leroy if (__builtin_constant_p(idx))
1447b842d131SChristophe Leroy asm volatile("mfsr %0, %1" : "=r" (val): "i" (idx >> 28));
1448b842d131SChristophe Leroy else
1449fd659e8fSChristophe Leroy asm volatile("mfsrin %0, %1" : "=r" (val): "r" (idx));
1450fd659e8fSChristophe Leroy
1451fd659e8fSChristophe Leroy return val;
1452fd659e8fSChristophe Leroy }
145302d5d13bSChristophe Leroy
mtsr(u32 val,u32 idx)1454179ae57dSChristophe Leroy static inline void mtsr(u32 val, u32 idx)
145502d5d13bSChristophe Leroy {
1456b842d131SChristophe Leroy if (__builtin_constant_p(idx))
1457b842d131SChristophe Leroy asm volatile("mtsr %1, %0" : : "r" (val), "i" (idx >> 28));
1458b842d131SChristophe Leroy else
145902d5d13bSChristophe Leroy asm volatile("mtsrin %0, %1" : : "r" (val), "r" (idx));
146002d5d13bSChristophe Leroy }
1461b8b572e1SStephen Rothwell #endif
1462b8b572e1SStephen Rothwell
14633d13e839SMichael Ellerman extern unsigned long current_stack_frame(void);
1464b8b572e1SStephen Rothwell
14650e63f015SChristophe Leroy register unsigned long current_stack_pointer asm("r1");
14660e63f015SChristophe Leroy
1467b8b572e1SStephen Rothwell extern unsigned long scom970_read(unsigned int address);
1468b8b572e1SStephen Rothwell extern void scom970_write(unsigned int address, unsigned long value);
1469b8b572e1SStephen Rothwell
1470322b4394SAnton Vorontsov struct pt_regs;
1471322b4394SAnton Vorontsov
1472322b4394SAnton Vorontsov extern void ppc_save_regs(struct pt_regs *regs);
1473b8b572e1SStephen Rothwell #endif /* __ASSEMBLY__ */
1474b8b572e1SStephen Rothwell #endif /* __KERNEL__ */
1475b8b572e1SStephen Rothwell #endif /* _ASM_POWERPC_REG_H */
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