| /SPARTAN/trunk/arch/ia32/src/userspace.c |
|---|
| 41,9 → 41,9 |
| */ |
| void userspace(void) |
| { |
| pri_t pri; |
| ipl_t ipl; |
| pri = cpu_priority_high(); |
| ipl = interrupts_disable(); |
| __asm__ volatile ( |
| /* CLNT */ |
| 60,7 → 60,7 |
| "pushl %4\n" |
| "iret" |
| : |
| : "i" (selector(UDATA_DES) | PL_USER), "r" (USTACK_ADDRESS+(THREAD_STACK_SIZE)), "r" (pri), "i" (selector(UTEXT_DES) | PL_USER), "i" (UTEXT_ADDRESS) |
| : "i" (selector(UDATA_DES) | PL_USER), "r" (USTACK_ADDRESS+(THREAD_STACK_SIZE)), "r" (ipl), "i" (selector(UTEXT_DES) | PL_USER), "i" (UTEXT_ADDRESS) |
| : "eax"); |
| /* Unreachable */ |
| /SPARTAN/trunk/arch/ia32/src/interrupt.c |
|---|
| 79,7 → 79,7 |
| /* |
| * Called directly from the assembler code. |
| * CPU is cpu_priority_high(). |
| * CPU is interrupts_disable()'d. |
| */ |
| void trap_dispatcher(__u8 n, __native stack[]) |
| { |
| /SPARTAN/trunk/arch/ia32/src/drivers/ega.c |
|---|
| 80,9 → 80,9 |
| void ega_putchar(const char ch) |
| { |
| pri_t pri; |
| ipl_t ipl; |
| pri = cpu_priority_high(); |
| ipl = interrupts_disable(); |
| spinlock_lock(&egalock); |
| switch (ch) { |
| 101,7 → 101,7 |
| ega_move_cursor(); |
| spinlock_unlock(&egalock); |
| cpu_priority_restore(pri); |
| interrupts_restore(ipl); |
| } |
| void ega_move_cursor(void) |