diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/boot.S | 10 | ||||
| -rw-r--r-- | src/sys/kernel.S | 31 |
2 files changed, 8 insertions, 33 deletions
@@ -9,6 +9,13 @@ _start: reset: cpsid aif + mrs r0, cpsr + bic r0, r0, #0x1f + orr r0, r0, #0x13 + msr spsr_cxsf, r0 + add r0, pc, #4 + msr ELR_hyp, r0 + eret // disable core0,1,2. mrc p15, #0, r1, c0, c0, #5 and r1, r1, #3 @@ -54,15 +61,12 @@ reset: runcore1: init_core 1 - core_task 1 b io_halt runcore2: init_core 2 - core_task 2 b io_halt runcore3: init_core 3 - core_task 3 b io_halt .globl io_halt diff --git a/src/sys/kernel.S b/src/sys/kernel.S index 6452a4f..cfd396f 100644 --- a/src/sys/kernel.S +++ b/src/sys/kernel.S @@ -9,39 +9,10 @@ kernel_main: mrc p15, 0, r0, c0, c1, 4 bl sysinit - assign_ctask testf, 2 - assign_ctask testf, 1 - assign_ctask testf, 2 - assign_ctask testf, 3 - assign_ctask testf, 1 // Intentional undefined instruction - // .word 0xf7f0a000 + //.word 0xf7f0a000 cpsie aif, #0x10 svc #2 // Start scheduling! 1: wfe b 1b - -testf: - push {lr} - cmp r0, #2 - blo 1f - beq 2f - bgt 3f -1: - ldr r0, =t1 - bl uart_print - pop {pc} -2: - ldr r0, =t2 - bl uart_print - pop {pc} -3: - ldr r0, =t3 - bl uart_print - pop {pc} - -.section .data -t1: .asciz "C1\n" -t2: .asciz "C2\n" -t3: .asciz "C3\n" |