| /kernel/trunk/arch/mips32/src/start.S |
|---|
| 235,12 → 235,10 |
| #define SS_SP 20 |
| #define SS_STATUS 24 |
| #define SS_EPC 28 |
| #define SS_RA 32 |
| uspace_shortcut: |
| # We have a lot of space on the stack, with free use |
| sw $sp, SS_SP($k0) |
| move $sp, $k0 |
| sw $ra, SS_RA($k0) |
| mfc0 $t1, $epc |
| mfc0 $t0, $status |
| 257,9 → 255,6 |
| jal syscall_handler |
| sw $v0, SS_ARG4($sp) # save v0 - arg4 to stack |
| # Restore RA |
| lw $ra, SS_RA($sp) |
| # restore epc+4 |
| lw $t0,SS_EPC($sp) |
| addi $t0, $t0, 4 |