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fix entrypoint detection algo (nandboot, #514)

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Wolfvak 2019-07-28 14:12:24 -03:00 committed by d0k3
parent 524a86e9a4
commit cb4ea7217a
1 changed files with 5 additions and 3 deletions
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8
arm9/source/start.s
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@ -137,12 +137,14 @@ _start:
ldreq pc, =main ldreq pc, =main
@ nandboot @ nandboot
@ if ([0x1FFFE010] | [0x1FFFE014]) == 0 @ if ([0x1FFFE010] | [0x1FFFE014]) != 0
@ && ([0x1FFFE00C] & 0xFF) == 0 @ && ([0x1FFFE00C] & 0xFF) == 0
ldrd r4, r5, [r3] ldrd r4, r5, [r3]
orrs r4, r4, r5 orrs r4, r4, r5
ldreqb r4, [r3, #-4] ldreq pc, =main
cmpeq r4, #0
ldrb r4, [r3, #-4]
cmp r4, #0
ldreq r2, =ENTRY_NANDBOOT ldreq r2, =ENTRY_NANDBOOT
@ unconditionally branch into the main C function @ unconditionally branch into the main C function