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allow arm9i binary to be relocated externally

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This commit is contained in:
Dave Murphy
2017-01-13 00:08:39 +00:00
parent b0cce58512
commit 6832220265
1 changed files with 10 additions and 1 deletions
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11
dkarm-eabi/crtls/ds_arm9_crt0.s
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@@ -103,7 +103,12 @@ _start:
ldr r9, =__dsimode @ set DSi mode flag
strb r11, [r9]
ldr r1, =__arm9i_lma @ Copy TWL area (arm9i section) from LMA to VMA
@ Copy TWL area (arm9i section) from LMA to VMA
adr r0, arm9ilma @ Calculate ARM9i LMA
ldr r1, [r0]
add r1, r1, r0
ldr r2, =__arm9i_start__
cmp r1, r2 @ skip copy if LMA=VMA
ldrne r4, =__arm9i_end__
@@ -145,6 +150,10 @@ NotTWL:
ldr lr, =__libnds_exit
bx r3 @ jump to user code
@---------------------------------------------------------------------------------
arm9ilma:
.word __arm9i_lma__ - .
@---------------------------------------------------------------------------------
@ check for a commandline
@---------------------------------------------------------------------------------