| /kernel/trunk/arch/ppc32/src/asm.S |
|---|
| 30,10 → 30,39 |
| .text |
| .global userspace_asm |
| .global iret |
| .global memsetb |
| .global memcpy |
| userspace_asm: |
| # r3 = uspace_uarg |
| # r4 = stack |
| # r5 = entry |
| mfmsr r31 |
| rlwinm r31, r31, 0, 17, 15 |
| mtmsr r31 |
| # set entry point |
| mtsrr0 r5 |
| # set problem state, enable interrupts |
| ori r31, r31, 1 << 14 |
| ori r31, r31, 1 << 15 |
| mtsrr1 r31 |
| # set stack |
| mr sp, r4 |
| # jump to userspace |
| rfi |
| iret: |
| lwz r3, 144(sp) |
| mtxer r3 |
| /kernel/trunk/arch/ppc32/src/ppc32.c |
|---|
| 32,6 → 32,8 |
| #include <arch/drivers/cuda.h> |
| #include <arch/mm/memory_init.h> |
| #include <arch/interrupt.h> |
| #include <userspace.h> |
| #include <proc/uarg.h> |
| bootinfo_t bootinfo; |
| 45,6 → 47,11 |
| ppc32_console_init(); |
| cuda_init(); |
| /* Setup usermode */ |
| init.cnt = 1; |
| init.tasks[0].addr = PA2KA(bootinfo.init.addr); |
| init.tasks[0].size = bootinfo.init.size; |
| } |
| void arch_post_mm_init(void) |
| 64,3 → 71,11 |
| { |
| } |
| void userspace(uspace_arg_t *kernel_uarg) |
| { |
| userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack, (__address) kernel_uarg->uspace_entry); |
| /* Unreachable */ |
| for (;;) |
| ; |
| } |
| /kernel/trunk/arch/ppc32/src/dummy.s |
|---|
| 44,9 → 44,6 |
| tlb_invalidate_pages: |
| b tlb_invalidate_pages |
| userspace: |
| b userspace |
| sys_tls_set: |
| b sys_tls_set |