diff options
Diffstat (limited to 'src/bootstrap.s')
| -rw-r--r-- | src/bootstrap.s | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/bootstrap.s b/src/bootstrap.s new file mode 100644 index 0000000..22f66f0 --- /dev/null +++ b/src/bootstrap.s @@ -0,0 +1,38 @@ +.cpu cortex-m4 +.thumb + +.extern _start +.extern fault_handler + +.section .text + +fault1: + mov r0, 1 + b fault_handler +fault2: + mov r0, 2 + b fault_handler +fault3: + mov r0, 3 + b fault_handler +fault4: + mov r0, 4 + b fault_handler +fault5: + mov r0, 5 + b fault_handler + +.section .bss +.skip 128 +stack_top: + +.section .isr_vector + .word stack_top + .word _start + .word fault1 + .word fault2 + .word fault3 + .word fault4 + .word fault5 + .skip 4 * 91 + |