diff options
| -rw-r--r-- | firmware/crt0.S | 50 |
1 files changed, 43 insertions, 7 deletions
diff --git a/firmware/crt0.S b/firmware/crt0.S index 4ea67ba..339caad 100644 --- a/firmware/crt0.S +++ b/firmware/crt0.S @@ -29,20 +29,56 @@ start: mov.l vbr_k,r1 mov.l orig_vbr_k,r2 - /* Move the serial Rx interrupt vector */ - mov #0x69,r0 + /* Move the invalid instruction vector (4) */ + mov #4,r0 shll2 r0 mov.l @(r0,r2),r3 mov.l r3,@(r0,r1) - - /* Move the breakpoint trap vector as well (32) */ - mov #0x20,r0 + + /* Move the invalid slot vector (6) */ + mov #6,r0 + shll2 r0 + mov.l @(r0,r2),r3 + mov.l r3,@(r0,r1) + + /* Move the bus error vector (9) */ + mov #9,r0 + shll2 r0 + mov.l @(r0,r2),r3 + mov.l r3,@(r0,r1) + + /* Move the DMA bus error vector (10) */ + mov #10,r0 + shll2 r0 + mov.l @(r0,r2),r3 + mov.l r3,@(r0,r1) + + /* Move the NMI vector as well (11) */ + mov #11,r0 shll2 r0 mov.l @(r0,r2),r3 mov.l r3,@(r0,r1) - /* Move the single step trap vector as well (127) */ - mov #0x7f,r0 + /* Move the breakpoint trap vector (32) */ + mov #32,r0 + shll2 r0 + mov.l @(r0,r2),r3 + mov.l r3,@(r0,r1) + + /* Move the IO trap vector (33) */ + mov #33,r0 + shll2 r0 + mov.l @(r0,r2),r3 + mov.l r3,@(r0,r1) + + /* Move the serial Rx interrupt vector (105) */ + mov #105,r0 + shll2 r0 + mov.l @(r0,r2),r3 + mov.l r3,@(r0,r1) + + /* Move the single step trap vector (127) */ + mov #127,r0 shll2 r0 mov.l @(r0,r2),r3 mov.l r3,@(r0,r1) |