| /branches/arm/kernel/arch/arm32/include/context.h |
|---|
| 50,6 → 50,7 |
| /* Structure containing registers that must be preserved across function calls. */ |
| typedef struct { |
| uint32_t cpu_mode; |
| uintptr_t sp; |
| uintptr_t pc; |
| 61,7 → 62,7 |
| uint32_t r9; |
| uint32_t r10; |
| uint32_t r11; |
| ipl_t ipl; |
| } context_t; |
| /branches/arm/kernel/arch/arm32/src/context.S |
|---|
| 32,6 → 32,11 |
| .global context_restore_arch |
| context_save_arch: |
| stmfd sp!, {r1} |
| mrs r1, cpsr |
| and r1, r1, #0x1f |
| stmia r0!, {r1} |
| ldmfd sp!, {r1} |
| stmia r0!, {sp, lr} |
| stmia r0!, {r4-r11} |
| 42,9 → 47,15 |
| context_restore_arch: |
| ldmia r0!, {r4} |
| mrs r5, cpsr |
| bic r5, r5, #0x1f |
| orr r5, r5, r4 |
| msr cpsr_c, r5 |
| ldmia r0!, {sp, lr} |
| ldmia r0!, {r4-r11} |
| mov r0, #0 |
| mov pc, lr |