diff options
| author | Uros Majstorovic <majstor@majstor.org> | 2019-10-13 05:21:28 +0200 |
|---|---|---|
| committer | Uros Majstorovic <majstor@majstor.org> | 2019-10-13 05:21:28 +0200 |
| commit | ca2d9002fcbebcf37f48944dd8d67e90c186ce4f (patch) | |
| tree | 603660613302d30afca3687323c53f4434c36126 /code/fe310/eos/trap_entry.S | |
| parent | 8c6c68e92d6b4c8aa5e2fcc784ed52da40845acc (diff) | |
fixed msgq bug
Diffstat (limited to 'code/fe310/eos/trap_entry.S')
| -rw-r--r-- | code/fe310/eos/trap_entry.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/code/fe310/eos/trap_entry.S b/code/fe310/eos/trap_entry.S index 21cf2f8..432e84a 100644 --- a/code/fe310/eos/trap_entry.S +++ b/code/fe310/eos/trap_entry.S @@ -266,8 +266,10 @@ i2s_handler_sd_xchg: lhu x18, I2S_ABUF_OFF_IDXR(x9) lhu x19, I2S_ABUF_OFF_IDXW(x9) lhu x20, I2S_ABUF_OFF_SIZE(x9) + li x21, 0xffff sub x18, x19, x18 + and x18, x18, x21 beq x18, x20, 0f addi x19, x19, 1 |