| /kernel/trunk/arch/ia32/include/cpu.h |
|---|
| 33,6 → 33,7 |
| #include <arch/pm.h> |
| #include <arch/asm.h> |
| #define EFLAGS_IF (1 << 9) |
| #define EFLAGS_RF (1 << 16) |
| struct cpu_arch { |
| /kernel/trunk/arch/ia32/src/asm.S |
|---|
| 86,7 → 86,7 |
| # The handlers setup data segment registers |
| # and call exc_dispatch(). |
| # |
| #define INTERRUPT_ALIGN 64 |
| #define INTERRUPT_ALIGN 128 |
| .macro handler i n |
| .ifeq \i-0x30 # Syscall handler |
| 108,7 → 108,11 |
| movw %ax,%es |
| sti |
| cmp $2, %edi # Is this SYS_INT_CONTROL? |
| je sys_int_ctrl |
| call syscall_handler # syscall_handler(ax,cx,dx,si,di) |
| sysc_end: |
| cli |
| addl $20, %esp # clean-up of parameters |
| 119,6 → 123,12 |
| CLEAR_NT_FLAG |
| iret |
| sys_int_ctrl: # Interrupt control |
| mov %esp, %eax |
| add $44, %eax |
| mov %eax, 4(%esp) # Pointer to flags - 2nd argument |
| call ddi_int_control |
| jmp sysc_end |
| .else |
| /* |
| * This macro distinguishes between two versions of ia32 exceptions. |
| /kernel/trunk/arch/ia32/src/ddi/ddi.c |
|---|
| 34,6 → 34,7 |
| #include <mm/slab.h> |
| #include <arch/pm.h> |
| #include <errno.h> |
| #include <arch/cpu.h> |
| /** Enable I/O space range for task. |
| * |
| 90,3 → 91,17 |
| return 0; |
| } |
| /** Enable/disable interrupts form syscall |
| * |
| * @param enable If non-zero, interrupts are enabled, otherwise disabled |
| * @param flags CP0 flags register |
| */ |
| __native ddi_int_control_arch(__native enable, __native *flags) |
| { |
| if (enable) |
| *flags |= EFLAGS_IF; |
| else |
| *flags &= ~EFLAGS_IF; |
| return 0; |
| } |