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atj213x: obtain PC value in more elegant way

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Change-Id: I2e6ffb3b58ddda0ea62ce5d4cd71ac5475b34495
This commit is contained in:
Marcin Bukat 2014-01-03 08:45:57 +01:00
parent 9dbdec14f0
commit 062801e3ed
1 changed files with 6 additions and 7 deletions
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13
utils/atj2137/adfuload/test_binary/backlight_c/crt0.S
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@ -11,9 +11,13 @@
start: start:
di # disable interrupts di # disable interrupts
bal get_pc # v0 = PC + 8 actually bltzal zero, load_addr # ra = PC + 8, branch not taken
nop 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 t0, relocstart
la t1, relocend la t1, relocend
beq t0, v0, entry_point # no relocation needed beq t0, v0, entry_point # no relocation needed
@ -31,11 +35,6 @@ entry_point_jump:
jr t0 jr t0
nop nop
get_pc:
move v0, ra
jr ra
nop
entry_point: entry_point:
# setup caches # setup caches
# 4-way, 256 sets, 16 bytes cacheline I/D # 4-way, 256 sets, 16 bytes cacheline I/D