| /SPARTAN/trunk/arch/ia64/include/context.h |
|---|
| 30,6 → 30,7 |
| #define __ia64_CONTEXT_H__ |
| #include <arch/types.h> |
| #include <typedefs.h> |
| #include <align.h> |
| #define STACK_ITEM_SIZE 16 |
| 50,7 → 51,7 |
| #define context_set(c, _pc, stack, size) \ |
| (c)->pc = (__address) _pc; \ |
| (c)->bsp = ((__address) stack) + ALIGN(sizeof(the_t), STACK_ALIGNMENT); \ |
| (c)->sp = ((__address) stack) + ALIGN((size) - SP_DELTA, STACK_ALIGNMENT); |
| (c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - SP_DELTA; |
| /* |
| * Only save registers that must be preserved across |
| 65,7 → 66,7 |
| __u64 ar_unat_caller; |
| __u64 ar_unat_callee; |
| __u64 ar_rsc; |
| __u64 bsp; /* ar_bsp */ |
| __address bsp; /* ar_bsp */ |
| __u64 ar_rnat; |
| __u64 ar_lc; |
| 77,13 → 78,13 |
| __u64 r5; |
| __u64 r6; |
| __u64 r7; |
| __u64 sp; /* r12 */ |
| __address sp; /* r12 */ |
| __u64 r13; |
| /* |
| * Branch registers |
| */ |
| __u64 pc; /* b0 */ |
| __address pc; /* b0 */ |
| __u64 b1; |
| __u64 b2; |
| __u64 b3; |
| /SPARTAN/trunk/arch/ia64/src/context.S |
|---|
| 28,10 → 28,10 |
| .text |
| .global context_save |
| .global context_restore |
| .global context_save_arch |
| .global context_restore_arch |
| context_save: |
| context_save_arch: |
| alloc loc0 = ar.pfs, 1, 8, 0, 0 |
| mov loc1 = ar.unat ;; |
| /* loc2 */ |
| 112,7 → 112,7 |
| add r8 = r0, r0, 1 /* context_save returns 1 */ |
| br.ret.sptk.many b0 |
| context_restore: |
| context_restore_arch: |
| alloc loc0 = ar.pfs, 1, 8, 0, 0 ;; |
| ld8 loc0 = [in0], 8 ;; /* load ar.pfs */ |
| /SPARTAN/trunk/arch/ppc32/include/context.h |
|---|
| 35,7 → 35,7 |
| struct context { |
| __u32 r0; |
| __u32 sp; |
| __address sp; |
| __u32 r2; |
| __u32 r3; |
| __u32 r4; |
| 66,7 → 66,7 |
| __u32 r29; |
| __u32 r30; |
| __u32 r31; |
| __u32 pc; |
| __address pc; |
| ipl_t ipl; |
| } __attribute__ ((packed)); |
| /SPARTAN/trunk/arch/ppc32/src/context.S |
|---|
| 30,10 → 30,10 |
| .text |
| .global context_save |
| .global context_restore |
| .global context_save_arch |
| .global context_restore_arch |
| context_save: |
| context_save_arch: |
| REGISTERS_STORE r3 |
| mflr r3 |
| 43,7 → 43,7 |
| li r3, 1 |
| blr |
| context_restore: |
| context_restore_arch: |
| REGISTERS_LOAD r3 |
| lwz r3, 128(r3) |
| /SPARTAN/trunk/arch/amd64/include/context.h |
|---|
| 44,8 → 44,8 |
| * during function call |
| */ |
| struct context { |
| __u64 sp; |
| __u64 pc; |
| __address sp; |
| __address pc; |
| __u64 rbx; |
| __u64 rbp; |
| /SPARTAN/trunk/arch/amd64/src/context.S |
|---|
| 28,17 → 28,17 |
| .text |
| .global context_save |
| .global context_restore |
| .global context_save_arch |
| .global context_restore_arch |
| #include <arch/context_offset.h> |
| ## Save current CPU context |
| # |
| # Save CPU context to the kernel_context variable |
| # Save CPU context to context_t variable |
| # pointed by the 1st argument. Returns 1 in EAX. |
| # |
| context_save: |
| context_save_arch: |
| movq (%rsp), %rdx # the caller's return %eip |
| # In %edi is passed 1st argument |
| movq %rdx, OFFSET_PC(%rdi) |
| 58,10 → 58,10 |
| ## Restore current CPU context |
| # |
| # Restore CPU context from the kernel_context variable |
| # Restore CPU context from context_t variable |
| # pointed by the 1st argument. Returns 0 in EAX. |
| # |
| context_restore: |
| context_restore_arch: |
| movq OFFSET_R15(%rdi), %r15 |
| movq OFFSET_R14(%rdi), %r14 |
| movq OFFSET_R13(%rdi), %r13 |
| /SPARTAN/trunk/arch/mips32/include/context.h |
|---|
| 48,8 → 48,8 |
| * function calls. |
| */ |
| struct context { |
| __u32 sp; |
| __u32 pc; |
| __address sp; |
| __address pc; |
| __u32 s0; |
| __u32 s1; |
| /SPARTAN/trunk/arch/mips32/src/context.S |
|---|
| 36,8 → 36,8 |
| .set noreorder |
| .set nomacro |
| .global context_save |
| .global context_restore |
| .global context_save_arch |
| .global context_restore_arch |
| .macro CONTEXT_STORE r |
| sw $s0,OFFSET_S0(\r) |
| 72,7 → 72,7 |
| .endm |
| context_save: |
| context_save_arch: |
| CONTEXT_STORE $a0 |
| # context_save returns 1 |
| 79,7 → 79,7 |
| j $31 |
| li $2, 1 |
| context_restore: |
| context_restore_arch: |
| CONTEXT_LOAD $a0 |
| # context_restore returns 0 |
| /SPARTAN/trunk/arch/ia32/include/context.h |
|---|
| 46,8 → 46,8 |
| * function calls. |
| */ |
| struct context { |
| __u32 sp; |
| __u32 pc; |
| __address sp; |
| __address pc; |
| __u32 ebx; |
| __u32 esi; |
| __u32 edi; |
| /SPARTAN/trunk/arch/ia32/src/context.s |
|---|
| 28,16 → 28,16 |
| .text |
| .global context_save |
| .global context_restore |
| .global context_save_arch |
| .global context_restore_arch |
| ## Save current CPU context |
| # |
| # Save CPU context to the kernel_context variable |
| # Save CPU context to the context_t variable |
| # pointed by the 1st argument. Returns 1 in EAX. |
| # |
| context_save: |
| context_save_arch: |
| movl 0(%esp),%eax # the caller's return %eip |
| movl 4(%esp),%edx # address of the kernel_context variable to save context to |
| 53,12 → 53,12 |
| ret |
| ## Restore current CPU context |
| ## Restore saved CPU context |
| # |
| # Restore CPU context from the kernel_context variable |
| # Restore CPU context from context_t variable |
| # pointed by the 1st argument. Returns 0 in EAX. |
| # |
| context_restore: |
| context_restore_arch: |
| movl 4(%esp),%eax # address of the kernel_context variable to restore context from |
| movl 0(%eax),%esp # ctx->sp -> %esp |
| movl 4(%eax),%edx # ctx->pc -> %edx |