aboutsummaryrefslogtreecommitdiffstats
path: root/ex.subv
diff options
context:
space:
mode:
Diffstat (limited to 'ex.subv')
-rw-r--r--ex.subv11
1 files changed, 2 insertions, 9 deletions
diff --git a/ex.subv b/ex.subv
index 16e9baf..408dabb 100644
--- a/ex.subv
+++ b/ex.subv
@@ -12,12 +12,5 @@ main:
# store 0x0a (\n) in UART0+0
13/opi 0/subop/add 6/rd/t1 0/rs/x0 0a/imm12
23/store 2/width/word 5/rs/t0 6/rs/t1 0/off12
- # jump back up to the top (three versions):
- # a) jal 21bit relative (with 0th bit forced to 0)
- # 6f/jal 0/rd/x0 main/off21
- # b) auipc+jalr 32bit relative (note label offset)
- 17/auipc 7/rd/t2 main/off20hi
- 67/jalr 0/subop 0/rd/x0 7/rs/t2 main+4/off12lo
- # c) lui+jalr 32bit absolute
- # 37/lui 7/rd/t2 main/imm32
- # 67/jalr 0/subop 0/rd/x0 7/rs/t2 main/imm32
+ # jump back up to the top
+ 6f/jal 0/rd/x0 main/off21