| //kernel/trunk/arch/mips32/src/start.S |
|---|
| 253,15 → 253,10 |
| sw $t2,SS_STATUS($sp) |
| mtc0 $t0, $status |
| li $t4, 2 # SYS_INT_CONTROL |
| beq $t4, $v0, sysc_int_control |
| nop |
| # CALL Syscall handler |
| jal syscall_handler |
| sw $v0, SS_ARG4($sp) # save v0 - arg4 to stack |
| sysc_exit: |
| # restore status |
| mfc0 $t0, $status |
| lw $t1,SS_STATUS($sp) |
| 281,14 → 276,7 |
| lw $sp,SS_SP($sp) # restore sp |
| eret |
| sysc_int_control: |
| jal ddi_int_control |
| addi $a1, $sp, SS_STATUS |
| j sysc_exit |
| nop |
| tlb_refill_handler: |
| KERNEL_STACK_TO_K0 |
| sub $k0, REGISTER_SPACE |
| //kernel/trunk/arch/mips32/src/ddi/ddi.c |
|---|
| 48,17 → 48,3 |
| { |
| return 0; |
| } |
| /** Enable/disable interrupts for syscall |
| * |
| * @param enable If non-zero, interrupts are enabled, otherwise disabled |
| * @param flags CP0 status register |
| */ |
| __native ddi_int_control_arch(__native enable, __native *flags) |
| { |
| if (enable) |
| *flags |= cp0_status_ie_enabled_bit; |
| else |
| *flags &= ~cp0_status_ie_enabled_bit; |
| return 0; |
| } |