| /openbmc/linux/arch/x86/kernel/ |
| H A D | cet.c | 85 * By definition, all missing-ENDBRANCH #CPs are a result of WFE && !ENDBR.
88 * the WFE state of the interrupted context needs to be cleared to let execution
93 * This is not a problem with IDT because it doesn't preserve WFE and IRET doesn't
94 * set WFE. But FRED provides space on the entry stack (in an expanded CS area)
95 * to save and restore the WFE state, thus the WFE state is no longer clobbered,
106 * For FRED, a test to check if fred_cs.wfe is set would be dropped in ibt_clear_fred_wfe()
109 regs->fred_cs.wfe = 0; in ibt_clear_fred_wfe()
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| /openbmc/linux/arch/arm/include/asm/ |
| H A D | spinlock.h | 14 * sev and wfe are ARMv6K extensions. Uniprocessor ARMv6 may not have the K
19 * For Thumb-2, special care is needed to ensure that the conditional WFE
29 #define WFE(cond) __ALT_SMP_ASM( \ macro
31 "wfe" cond ".n", \
36 #define WFE(cond) __ALT_SMP_ASM("wfe" cond, "nop") macro
74 wfe(); in arch_spin_lock()
147 WFE("ne") in arch_write_lock()
217 WFE("mi") in arch_read_lock()
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| H A D | mcs_spinlock.h | 11 /* Ensure prior stores are observed before we enter wfe. */ \
14 wfe(); \
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| H A D | barrier.h | 12 #define wfe() __asm__ __volatile__ ("wfe" : : : "memory") macro
15 #define wfe() do { } while (0) macro
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| /openbmc/linux/drivers/soc/tegra/ |
| H A D | flowctrl.c | 80 /* clear wfe bitmap */ in flowctrl_cpu_suspend_enter()
84 /* pwr gating on wfe */ in flowctrl_cpu_suspend_enter()
90 /* clear wfe bitmap */ in flowctrl_cpu_suspend_enter()
100 * hence use wfe that is working perfectly fine. in flowctrl_cpu_suspend_enter()
103 * while wfe for the power-gating, just like it in flowctrl_cpu_suspend_enter()
136 /* clear wfe bitmap */ in flowctrl_cpu_suspend_exit()
144 /* clear wfe bitmap */ in flowctrl_cpu_suspend_exit()
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| /openbmc/u-boot/arch/arm/mach-exynos/include/mach/ |
| H A D | system.h | 42 * WFE must also be implemented.
46 * If the Event Register is not set, WFE suspends execution until
53 * If the Event Register is set, WFE clears it and returns immediately.
54 * If WFE is implemented, SEV must also be implemented.
56 #define wfe() __asm__ __volatile__ ("wfe\n\t" : : ); macro
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| /openbmc/u-boot/arch/arm/mach-omap2/omap5/ |
| H A D | sec_entry_cpu1.S | 28 * waits on WFE, polling on AUX_CORE_BOOT_x registers.
96 wfe @ Wait for CPU1 to finish
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| /openbmc/u-boot/arch/arm/cpu/armv8/fsl-layerscape/ |
| H A D | mp.c | 90 * observe the correct value after waking up from wfe. in fsl_layerscape_wake_seconday_cores()
148 * cores then the pre-bootloader code will trap them in a "wfe" unless in fsl_layerscape_wake_seconday_cores()
279 * without a valid entry address will be trapped by "wfe". "sev" kicks in cpu_release()
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| /openbmc/u-boot/arch/arm/mach-exynos/ |
| H A D | sec_boot.S | 72 * Step-5: If address is not available, enter WFE.
123 wfe
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| /openbmc/linux/arch/arm/common/ |
| H A D | mcpm_head.S | 64 wfe
134 wfe
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| /openbmc/u-boot/arch/arm/cpu/armv8/ |
| H A D | spin_table_v8.S | 12 0: wfe
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| /openbmc/linux/arch/arm/mach-rockchip/ |
| H A D | platsmp.c | 140 * stay at wfe state, once they are activated, they will check in rockchip_boot_secondary()
145 * the wfe state.The wait time is affected by many aspects. in rockchip_boot_secondary()
338 * executing v7_coherency_exit() and reach the WFI/WFE state in rockchip_cpu_kill()
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| H A D | sleep.S | 27 wfe
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| /openbmc/u-boot/arch/arm/mach-uniphier/arm32/ |
| H A D | psci_smp.S | 37 wfe
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| /openbmc/linux/Documentation/devicetree/bindings/arm/freescale/ |
| H A D | fsl,imx7ulp-pm.yaml | 19 The WFI or WFE instruction is used to invoke a Sleep, Deep Sleep or
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| /openbmc/linux/arch/arm64/include/asm/ |
| H A D | barrier.h | 20 #define wfe() asm volatile("wfe" : : : "memory") macro
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| H A D | cmpxchg.h | 219 " wfe\n" \
223 " wfe\n" \
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| /openbmc/u-boot/arch/arm/mach-k3/ |
| H A D | common.c | 42 asm volatile("wfe"); in jump_to_image_no_args()
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| /openbmc/linux/tools/perf/pmu-events/arch/arm64/fujitsu/a64fx/ |
| H A D | other.json | 93 …": "This event counts every cycle that the instruction unit is halted by the WFE/WFI instruction.",
96 …n": "This event counts every cycle that the instruction unit is halted by the WFE/WFI instruction."
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| /openbmc/linux/drivers/clocksource/ |
| H A D | Kconfig | 315 executing the wfe instruction at a frequency represented as a
319 The main use of the event stream is wfe-based timeouts of userspace
321 on wfe to safeguard against any programming errors in case an expected
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| /openbmc/linux/Documentation/translations/zh_CN/arch/arm64/ |
| H A D | amu.rst | 34 当处于 WFI 或者 WFE 状态时，计数器不会增长。
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| /openbmc/linux/include/linux/mailbox/ |
| H A D | mtk-cmdq-mailbox.h | 25 * WFE arg_b
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| /openbmc/linux/Documentation/translations/zh_TW/arch/arm64/ |
| H A D | amu.rst | 37 當處於 WFI 或者 WFE 狀態時，計數器不會增長。
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| /openbmc/linux/arch/arm64/lib/ |
| H A D | delay.c | 45 wfe(); in __delay()
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| /openbmc/linux/arch/arm/mach-tegra/ |
| H A D | sleep-tegra30.S | 216 * it when halting but not before it is in the "WFE" state.
222 moveq r4, #(1 << 4) @ wfe bitmap
232 subs r3, r3, #1 @ delay as a part of wfe war.
266 * 38 nop's, which fills rest of wfe cache line and
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