diff options
Diffstat (limited to 'ex.pack')
| -rw-r--r-- | ex.pack | 16 |
1 files changed, 15 insertions, 1 deletions
@@ -1,9 +1,23 @@ == code 0x80000000 +# repeatedly print "Hi\n" +# main: +# load 0x10010000 (UART0) into t0 b7 02 01 10 +# store 0x48 (H) in UART0+0 13 03 80 04 23 a0 62 00 +# store 0x69 (i) in UART0+0 13 03 90 06 23 a0 62 00 +# store 0x0a (\n) in UART0+0 13 03 a0 00 23 a0 62 00 -6f f0 5f fe +# 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) +97 f3 ff ff +67 80 43 fe +# c) lui+jalr 32bit absolute +# 37/lui 7/rd/t2 main/imm32 +# 67/jalr 0/subop 0/rd/x0 7/rs/t2 main/imm32 |