diff options
| author | Alejandro Soto <alejandro@34project.org> | 2023-10-04 15:23:49 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2023-10-04 15:23:49 -0600 |
| commit | 64dbe25a5023b87acaa648c7cfcb3f183032589a (patch) | |
| tree | 16adff52540bae421b145903a8a657ed533fe384 /demo | |
| parent | f2b332fe0bf95beab5ef4ecbbdc506a1b7d0399c (diff) | |
Makefile: add rules for demo
Diffstat (limited to 'demo')
| -rw-r--r-- | demo/demo.h | 4 | ||||
| -rw-r--r-- | demo/main.c | 2 | ||||
| -rw-r--r-- | demo/start.S | 4 |
3 files changed, 5 insertions, 5 deletions
diff --git a/demo/demo.h b/demo/demo.h index f01b36c..f98d599 100644 --- a/demo/demo.h +++ b/demo/demo.h @@ -13,10 +13,10 @@ struct cpu unsigned num; }; -/* R12 está reservado por la ABI +/* Esto viola la ABI, pero no importa porque no dependemos de bibliotecas * https://gcc.gnu.org/onlinedocs/gcc/Global-Register-Variables.html */ -register struct cpu *this_cpu asm("ip"); +register struct cpu *this_cpu asm("r9"); void spin_init(struct lock *lock); void spin_lock(struct lock *lock, unsigned *irq_save); diff --git a/demo/main.c b/demo/main.c index 40e903c..988ef55 100644 --- a/demo/main.c +++ b/demo/main.c @@ -4,7 +4,7 @@ static struct cpu cpu0, cpu1, cpu2, cpu3; struct cpu *__cpus[] = { &cpu0, &cpu1, &cpu2, &cpu3 }; -volatile static unsigned boot_done; +static volatile unsigned boot_done; static void cmd_run(char **tokens) { diff --git a/demo/start.S b/demo/start.S index a0a9a4f..ecdeb3c 100644 --- a/demo/start.S +++ b/demo/start.S @@ -34,8 +34,8 @@ _start: str r2, [r0] ldr r2, =__cpus lsl r3, r1, #2 - ldr ip, [r2, r3] - str r1, [ip] + ldr r9, [r2, r3] + str r1, [r9] ldr r2, =_stack_shift lsl r1, r1, r2 ldr sp, =_stack_begin |