diff options
Diffstat (limited to 'py/asmthumb.c')
-rw-r--r-- | py/asmthumb.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/py/asmthumb.c b/py/asmthumb.c index e3558b2cf..f7ac87fa0 100644 --- a/py/asmthumb.c +++ b/py/asmthumb.c @@ -564,6 +564,18 @@ void asm_thumb_bcc_label(asm_thumb_t *as, int cond, uint label) { } } +void asm_thumb_bcc_rel9(asm_thumb_t *as, int cond, int rel) { + rel -= 4; // account for instruction prefetch, PC is 4 bytes ahead of this instruction + assert(SIGNED_FIT9(rel)); + asm_thumb_op16(as, OP_BCC_N(cond, rel)); +} + +void asm_thumb_b_rel12(asm_thumb_t *as, int rel) { + rel -= 4; // account for instruction prefetch, PC is 4 bytes ahead of this instruction + assert(SIGNED_FIT12(rel)); + asm_thumb_op16(as, OP_B_N(rel)); +} + #define OP_BLX(reg) (0x4780 | ((reg) << 3)) #define OP_SVC(arg) (0xdf00 | (arg)) |