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| author | Marcin Bukat <marcin.bukat@gmail.com> | 2014-01-03 08:45:57 +0100 |
|---|---|---|
| committer | Marcin Bukat <marcin.bukat@gmail.com> | 2014-01-03 09:00:11 +0100 |
| commit | 062801e3ed560418264a0fc7954a2008102a4713 (patch) | |
| tree | 4e65ed20244a6901aa6c14234ab0e19ac1ffd4d8 /utils/atj2137 | |
| parent | 9dbdec14f080456ff3eaeb619f321e4e34aa8a0e (diff) | |
| download | rockbox-062801e3ed560418264a0fc7954a2008102a4713.tar.gz rockbox-062801e3ed560418264a0fc7954a2008102a4713.tar.bz2 rockbox-062801e3ed560418264a0fc7954a2008102a4713.zip | |
atj213x: obtain PC value in more elegant way
Change-Id: I2e6ffb3b58ddda0ea62ce5d4cd71ac5475b34495
Diffstat (limited to 'utils/atj2137')
| -rw-r--r-- | utils/atj2137/adfuload/test_binary/backlight_c/crt0.S | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/utils/atj2137/adfuload/test_binary/backlight_c/crt0.S b/utils/atj2137/adfuload/test_binary/backlight_c/crt0.S index e3817fcfb7..e03b8b5439 100644 --- a/utils/atj2137/adfuload/test_binary/backlight_c/crt0.S +++ b/utils/atj2137/adfuload/test_binary/backlight_c/crt0.S @@ -11,9 +11,13 @@ start: di # disable interrupts - bal get_pc # v0 = PC + 8 actually + bltzal zero, load_addr # ra = PC + 8, branch not taken nop - addiu v0, -12 # calc real load address + +load_addr: + addiu v0, ra, -12 # calc real load address + # account for branch delay slot + # and very first 'di' instruction la t0, relocstart la t1, relocend beq t0, v0, entry_point # no relocation needed @@ -31,11 +35,6 @@ entry_point_jump: jr t0 nop -get_pc: - move v0, ra - jr ra - nop - entry_point: # setup caches # 4-way, 256 sets, 16 bytes cacheline I/D |