| entry.S (5a4f7c66be981c6b5f44a4d66a14ea6ac9b7b6b0) | entry.S (74d99a5e262229ee865f6f68528d10b82471ead6) |
|---|---|
| 1/* 2 * arch/sh/kernel/cpu/sh2/entry.S 3 * 4 * The SH-2 exception entry 5 * 6 * Copyright (C) 2005,2006 Yoshinori Sato 7 * Copyright (C) 2005 AXE,Inc. 8 * --- 135 unchanged lines hidden (view full) --- 144 add r15,r8 145 mov.l @r8,r9 146 mov #64,r8 147 cmp/hs r8,r9 148 bt interrupt_entry ! vec >= 64 is interrupt 149 mov #32,r8 150 cmp/hs r8,r9 151 bt trap_entry ! 64 > vec >= 32 is trap | 1/* 2 * arch/sh/kernel/cpu/sh2/entry.S 3 * 4 * The SH-2 exception entry 5 * 6 * Copyright (C) 2005,2006 Yoshinori Sato 7 * Copyright (C) 2005 AXE,Inc. 8 * --- 135 unchanged lines hidden (view full) --- 144 add r15,r8 145 mov.l @r8,r9 146 mov #64,r8 147 cmp/hs r8,r9 148 bt interrupt_entry ! vec >= 64 is interrupt 149 mov #32,r8 150 cmp/hs r8,r9 151 bt trap_entry ! 64 > vec >= 32 is trap |
| 152 153#if defined(CONFIG_SH_FPU) 154 mov #13,r8 155 cmp/eq r8,r9 156 bt 10f ! fpu 157 nop 158#endif 159 |
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| 152 mov.l 4f,r8 153 mov r9,r4 154 shll2 r9 155 add r9,r8 156 mov.l @r8,r8 157 mov #0,r9 158 cmp/eq r9,r8 159 bf 3f 160 mov.l 8f,r8 ! unhandled exception | 160 mov.l 4f,r8 161 mov r9,r4 162 shll2 r9 163 add r9,r8 164 mov.l @r8,r8 165 mov #0,r9 166 cmp/eq r9,r8 167 bf 3f 168 mov.l 8f,r8 ! unhandled exception |
| 169#if defined(CONFIG_SH_FPU) 17010: 171 mov.l 9f, r8 ! unhandled exception 172#endif |
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| 1613: 162 mov.l 5f,r10 163 jmp @r8 164 lds r10,pr 165 166interrupt_entry: 167 mov r9,r4 168 mov r15,r5 169 mov.l 6f,r9 170 mov.l 7f,r8 171 jmp @r8 172 lds r9,pr 173 174 .align 2 1754: .long exception_handling_table 1765: .long ret_from_exception 1776: .long ret_from_irq 1787: .long do_IRQ 1798: .long do_exception_error | 1733: 174 mov.l 5f,r10 175 jmp @r8 176 lds r10,pr 177 178interrupt_entry: 179 mov r9,r4 180 mov r15,r5 181 mov.l 6f,r9 182 mov.l 7f,r8 183 jmp @r8 184 lds r9,pr 185 186 .align 2 1874: .long exception_handling_table 1885: .long ret_from_exception 1896: .long ret_from_irq 1907: .long do_IRQ 1918: .long do_exception_error |
| 180 | 192#ifdef CONFIG_SH_FPU 1939: .long fpu_error_trap_handler 194#endif 195 |
| 181trap_entry: 182 mov #0x30,r8 183 cmp/ge r8,r9 ! vector 0x20-0x2f is systemcall 184 bt 1f 185 add #-0x10,r9 ! convert SH2 to SH3/4 ABI 1861: 187 shll2 r9 ! TRA 188 mov #OFF_TRA,r8 --- 149 unchanged lines hidden --- | 196trap_entry: 197 mov #0x30,r8 198 cmp/ge r8,r9 ! vector 0x20-0x2f is systemcall 199 bt 1f 200 add #-0x10,r9 ! convert SH2 to SH3/4 ABI 2011: 202 shll2 r9 ! TRA 203 mov #OFF_TRA,r8 --- 149 unchanged lines hidden --- |