| /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 |