/SPARTAN/trunk/arch/mips/src/context.S |
---|
26,8 → 26,10 |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/asm/macro.h> |
#define __ASM__ |
#include <arch/asm/regname.h> |
#include "context_offset.h" |
.text |
.set noat |
37,8 → 39,41 |
.global context_save |
.global context_restore |
.macro CONTEXT_STORE r |
sw $s0,OFFSET_S0(\r) |
sw $s1,OFFSET_S1(\r) |
sw $s2,OFFSET_S2(\r) |
sw $s3,OFFSET_S3(\r) |
sw $s4,OFFSET_S4(\r) |
sw $s5,OFFSET_S5(\r) |
sw $s6,OFFSET_S6(\r) |
sw $s7,OFFSET_S7(\r) |
sw $s8,OFFSET_S7(\r) |
sw $gp,OFFSET_GP(\r) |
sw $ra,OFFSET_PC(\r) |
sw $sp,OFFSET_SP(\r) |
.endm |
.macro CONTEXT_LOAD r |
lw $s0,OFFSET_S0(\r) |
lw $s1,OFFSET_S1(\r) |
lw $s2,OFFSET_S2(\r) |
lw $s3,OFFSET_S3(\r) |
lw $s4,OFFSET_S4(\r) |
lw $s5,OFFSET_S5(\r) |
lw $s6,OFFSET_S6(\r) |
lw $s7,OFFSET_S7(\r) |
lw $s8,OFFSET_S7(\r) |
lw $gp,OFFSET_GP(\r) |
lw $ra,OFFSET_PC(\r) |
lw $sp,OFFSET_SP(\r) |
.endm |
context_save: |
REGISTERS_STORE $4 |
CONTEXT_STORE $a0 |
# context_save returns 1 |
j $31 |
45,7 → 80,7 |
li $2, 1 |
context_restore: |
REGISTERS_LOAD $4 |
CONTEXT_LOAD $a0 |
# context_restore returns 0 |
j $31 |