diff options
| -rw-r--r-- | kernel/sys/kernel.S | 5 | ||||
| -rw-r--r-- | usr/main.c | 4 |
2 files changed, 0 insertions, 9 deletions
diff --git a/kernel/sys/kernel.S b/kernel/sys/kernel.S index df55cc1..71b22a1 100644 --- a/kernel/sys/kernel.S +++ b/kernel/sys/kernel.S @@ -19,11 +19,6 @@ kernel_main: mov r0, #0x80000000 mcr p15, 0, r0, c9, c12, 1 - // Allow access to CNTKCTL from PL0 - mrc p15, 0, r0, c14, c1, 0 - orr r0, #1 - mcr p15, 0, r0, c14, c1, 0 - // Intentional undefined instruction // .word 0xf7f0a000 cpsie ai, #0x10 @@ -41,8 +41,4 @@ void main(void) subscribe_irq(SYS_TIMER_2_IRQ, loopt, &stime_2); subscribe_irq(SYS_TIMER_3_IRQ, loopt, &stime_3); add_thread(loop, 0, 0); - unsigned long long counter; - asm volatile ("mrrc p15, 0, %0, c14" : "=r"(counter)); - draw_hex32(0, 20, counter>>32); - draw_hex32(9, 20, counter); } |