//kernel/trunk/arch/sparc64/include/context_offset.h |
---|
1,17 → 1,10 |
/* This file is automatically generated by gencontext.c. */ |
/* struct context */ |
#define OFFSET_SP 0x68 |
#define OFFSET_PC 0x70 |
#define OFFSET_L0 0x0 |
#define OFFSET_L1 0x8 |
#define OFFSET_L2 0x10 |
#define OFFSET_L3 0x18 |
#define OFFSET_L4 0x20 |
#define OFFSET_L5 0x28 |
#define OFFSET_L6 0x30 |
#define OFFSET_L7 0x38 |
#define OFFSET_I1 0x40 |
#define OFFSET_I2 0x48 |
#define OFFSET_I3 0x50 |
#define OFFSET_I4 0x58 |
#define OFFSET_I5 0x60 |
#define OFFSET_SP 0x38 |
#define OFFSET_FP 0x28 |
#define OFFSET_PC 0x30 |
#define OFFSET_I1 0x0 |
#define OFFSET_I2 0x8 |
#define OFFSET_I3 0x10 |
#define OFFSET_I4 0x18 |
#define OFFSET_I5 0x20 |
//kernel/trunk/arch/sparc64/include/context.h |
---|
29,7 → 29,9 |
#ifndef __sparc64_CONTEXT_H__ |
#define __sparc64_CONTEXT_H__ |
#ifndef __sparc64_STACK_H__ |
#include <arch/stack.h> |
#endif |
#ifndef __sparc64_TYPES_H__ |
# include <arch/types.h> |
47,28 → 49,23 |
#define context_set(c, _pc, stack, size) \ |
(c)->pc = ((__address) _pc) - 8; \ |
(c)->fp = NULL; \ |
(c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA) |
/* |
* Only save registers that must be preserved across |
* function calls. |
* function calls and that are not saved in caller's |
* register window. |
*/ |
struct context { |
__u64 l0; |
__u64 l1; |
__u64 l2; |
__u64 l3; |
__u64 l4; |
__u64 l5; |
__u64 l6; |
__u64 l7; |
__u64 i1; |
__u64 i2; |
__u64 i3; |
__u64 i4; |
__u64 i5; |
__address sp; /* %i6 */ |
__address fp; /* %i6 */ |
__address pc; /* %i7 */ |
__address sp; |
ipl_t ipl; |
}; |
//kernel/trunk/arch/sparc64/src/context.S |
---|
35,38 → 35,23 |
.global context_restore_arch |
.macro CONTEXT_STORE r |
stx %l0, [\r + OFFSET_L0] |
stx %l1, [\r + OFFSET_L1] |
stx %l2, [\r + OFFSET_L2] |
stx %l3, [\r + OFFSET_L3] |
stx %l4, [\r + OFFSET_L4] |
stx %l5, [\r + OFFSET_L5] |
stx %l6, [\r + OFFSET_L6] |
stx %l7, [\r + OFFSET_L7] |
stx %i1, [\r + OFFSET_I1] |
stx %i2, [\r + OFFSET_I2] |
stx %i3, [\r + OFFSET_I3] |
stx %i4, [\r + OFFSET_I4] |
stx %i5, [\r + OFFSET_I5] |
stx %i6, [\r + OFFSET_SP] |
stx %fp, [\r + OFFSET_FP] |
stx %i7, [\r + OFFSET_PC] |
stx %sp, [\r + OFFSET_SP] |
.endm |
.macro CONTEXT_LOAD r |
ldx [\r + OFFSET_L0], %l0 |
ldx [\r + OFFSET_L1], %l1 |
ldx [\r + OFFSET_L2], %l2 |
ldx [\r + OFFSET_L3], %l3 |
ldx [\r + OFFSET_L4], %l4 |
ldx [\r + OFFSET_L5], %l5 |
ldx [\r + OFFSET_L6], %l6 |
ldx [\r + OFFSET_L7], %l7 |
ldx [\r + OFFSET_I1], %i1 |
ldx [\r + OFFSET_I2], %i2 |
ldx [\r + OFFSET_I3], %i3 |
ldx [\r + OFFSET_I4], %i4 |
ldx [\r + OFFSET_I5], %i5 |
ldx [\r + OFFSET_SP], %i6 |
ldx [\r + OFFSET_FP], %fp |
ldx [\r + OFFSET_PC], %i7 |
ldx [\r + OFFSET_SP], %sp |
.endm |
77,15 → 62,15 |
CONTEXT_STORE %i0 |
# context_save returns 1 |
mov 1, %i0 |
mov 1, %i0 |
ret |
restore %sp, 128, %sp |
restore %sp, STACK_WINDOW_SAVE_AREA_SIZE, %sp |
context_restore_arch: |
save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
CONTEXT_LOAD %i0 |
# context_restore returns 0 |
xor %i0, %i0, %i0 |
xor %i0, %i0, %i0 |
ret |
restore %sp, STACK_WINDOW_SAVE_AREA_SIZE, %sp |
restore %sp, STACK_WINDOW_SAVE_AREA_SIZE, %sp |