diff options
| author | Christian Cunningham <cc@localhost> | 2021-12-03 09:55:06 -0700 |
|---|---|---|
| committer | Christian Cunningham <cc@localhost> | 2021-12-03 09:55:06 -0700 |
| commit | c06fb44b7f63bbb94523f0f4d2908d34d22b94c2 (patch) | |
| tree | 527c687aebaf9acb8be6e594d9ebb1dae4287d26 /src/irq.S | |
| parent | 72e74f2e3203dc9627f13e740e0d88091ff1d149 (diff) | |
Started moving source files to subdirectories
Diffstat (limited to 'src/irq.S')
| -rw-r--r-- | src/irq.S | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/src/irq.S b/src/irq.S deleted file mode 100644 index 53a749e..0000000 --- a/src/irq.S +++ /dev/null @@ -1,62 +0,0 @@ -.globl a_irq_handler -a_irq_handler: - push {lr} - bl disable_irq - // r2 = CORE0_INTERRUPT_SOURCE - // if r2 & 0b100000000 - mov r2, #0x40000000 - ldr r3, [r2, #0x60] - tst r3, #256 - beq a_irq_handler.timer - // r2 = IRQ_PEND2 - // r2 & 1 << 25 - mov r2, #0xB208 - movt r2, #0x3F00 - ldr r3, [r2] - tst r3, #0x2000000 - beq a_irq_handler.exit - mov r2, #0x1040 - movt r2, #0x3F20 - ldr r3, [r2] - tst r3, #16 - beq a_irq_handler.exit - mov r2, #0x1000 - movt r2, #0x3F20 - ldrb r0, [r2] - push {r0} - bl enable_irq - pop {r0} - bl uart_char - ldr r0, =imsg - bl uart_string - pop {pc} -a_irq_handler.timer: - // r2 = CORE0_INTERRUPT_SOURCE - // if r2 & 0b1000 - mov r2, #0x40000000 - ldr r3, [r2, #0x60] - tst r3, #8 - beq a_irq_handler.exit - bl c_timer - //ldr r0, =imsg - //bl uart_string -a_irq_handler.exit: - bl enable_irq - pop {pc} - -.globl a_fiq_handler -a_fiq_handler: - push {lr} - bl disable_fiq - bl c_timer - ldr r0, =fmsg - bl uart_string -a_fiq_handler.exit: - bl enable_fiq - pop {pc} - -.section ".data" -imsg: - .asciz " asm_irq_handler\n" -fmsg: - .asciz " asm_fiq_handler\n" |