diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/internal/mips/syscall.s | 22 | ||||
| -rw-r--r-- | src/setjmp/mips/longjmp.s | 25 | ||||
| -rw-r--r-- | src/setjmp/mips/setjmp.s | 25 | ||||
| -rw-r--r-- | src/signal/mips/restore.s | 13 | ||||
| -rw-r--r-- | src/unistd/mips/pipe.s | 20 |
5 files changed, 105 insertions, 0 deletions
diff --git a/src/internal/mips/syscall.s b/src/internal/mips/syscall.s new file mode 100644 index 00000000..01a5917b --- /dev/null +++ b/src/internal/mips/syscall.s @@ -0,0 +1,22 @@ +.set noreorder + +.global __syscall +.type __syscall,@function +__syscall: + move $10, $4 + move $4, $5 + move $5, $6 + move $6, $7 + lw $7, 16($sp) + lw $8, 20($sp) + lw $9, 24($sp) + subu $sp, $sp, 32 + sw $8, 16($sp) + sw $9, 20($sp) + move $2, $10 + syscall + beq $7, $0, 1f + addu $sp, $sp, 32 + subu $2, $0, $2 +1: jr $ra + nop diff --git a/src/setjmp/mips/longjmp.s b/src/setjmp/mips/longjmp.s new file mode 100644 index 00000000..9cf6f8d0 --- /dev/null +++ b/src/setjmp/mips/longjmp.s @@ -0,0 +1,25 @@ +.set noreorder + +.global _longjmp +.global longjmp +.type _longjmp,@function +.type longjmp,@function +_longjmp: +longjmp: + move $2, $5 + bne $2, $0, 1f + nop + addu $2, $2, 1 +1: lw $ra, 0($4) + lw $sp, 4($4) + lw $16, 8($4) + lw $17, 12($4) + lw $18, 16($4) + lw $19, 20($4) + lw $20, 24($4) + lw $21, 28($4) + lw $22, 32($4) + lw $23, 36($4) + lw $30, 40($4) + jr $ra + lw $28, 44($4) diff --git a/src/setjmp/mips/setjmp.s b/src/setjmp/mips/setjmp.s new file mode 100644 index 00000000..38ed5e00 --- /dev/null +++ b/src/setjmp/mips/setjmp.s @@ -0,0 +1,25 @@ +.set noreorder + +.global __setjmp +.global _setjmp +.global setjmp +.type __setjmp,@function +.type _setjmp,@function +.type setjmp,@function +__setjmp: +_setjmp: +setjmp: + sw $ra, 0($4) + sw $sp, 4($4) + sw $16, 8($4) + sw $17, 12($4) + sw $18, 16($4) + sw $19, 20($4) + sw $20, 24($4) + sw $21, 28($4) + sw $22, 32($4) + sw $23, 36($4) + sw $30, 40($4) + sw $28, 44($4) + jr $ra + li $2, 0 diff --git a/src/signal/mips/restore.s b/src/signal/mips/restore.s new file mode 100644 index 00000000..5c22dd48 --- /dev/null +++ b/src/signal/mips/restore.s @@ -0,0 +1,13 @@ +.set noreorder + +.global __restore_rt +.type __restore_rt,@function +__restore_rt: + li $2, 4193 + syscall + +.global __restore +.type __restore,@function +__restore: + li $2, 4119 + syscall diff --git a/src/unistd/mips/pipe.s b/src/unistd/mips/pipe.s new file mode 100644 index 00000000..ba2c39a3 --- /dev/null +++ b/src/unistd/mips/pipe.s @@ -0,0 +1,20 @@ +.set noreorder + +.global pipe +.type pipe,@function +pipe: + lui $gp, %hi(_gp_disp) + addiu $gp, %lo(_gp_disp) + addu $gp, $gp, $25 + li $2, 4042 + syscall + beq $7, $0, 1f + nop + lw $25, %call16(__syscall_ret)($gp) + jr $25 + subu $4, $0, $2 +1: sw $2, 0($4) + sw $3, 4($4) + move $2, $0 + jr $ra + nop |