| 31,8 → 31,14 |
|---|
| #include <arch/drivers/it.h> |
| #include <arch/interrupt.h> |
| #include <arch/barrier.h> |
| #include <arch/asm.h> |
| #include <arch/register.h> |
| #include <arch/types.h> |
| |
| #include <arch/context.h> |
| #include <arch/mm/page.h> |
| #include <mm/as.h> |
| #include <config.h> |
| #include <userspace.h> |
| #include <console/console.h> |
| |
| void arch_pre_mm_init(void) |
| 43,6 → 49,8 |
|---|
| |
| ski_init_console(); |
| it_init(); |
| config.init_addr = INIT_ADDRESS; |
| config.init_size = INIT_SIZE; |
| } |
| |
| void arch_post_mm_init(void) |
| 53,7 → 61,31 |
|---|
| { |
| } |
| |
| |
| void arch_post_smp_init(void) |
| { |
| } |
| |
| /** Enter userspace and never return. */ |
| void userspace(void) |
| { |
| psr_t psr; |
| rsc_t rsc; |
| |
| psr.value = psr_read(); |
| psr.cpl = PL_USER; |
| psr.i = true; /* start with interrupts enabled */ |
| psr.ic = true; |
| psr.ri = 0; /* start with instruction #0 */ |
| |
| __asm__ volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
| rsc.loadrs = 0; |
| rsc.be = false; |
| rsc.pl = PL_USER; |
| rsc.mode = 3; /* eager mode */ |
| |
| switch_to_userspace(UTEXT_ADDRESS, USTACK_ADDRESS+PAGE_SIZE-1, USTACK_ADDRESS, psr.value, rsc.value); |
| |
| while (1) { |
| ; |
| } |
| } |