Latest luma commit (474eb30) doesn't boot

[ghost]

Device info
N3DS XL
Firmware 11.9
fastboot3DS 1.2 stable
Commit 474eb30

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Issue: When booting the system it just shows a black screen and doesn't do anything, though booting to Luma 9.1 dose work

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Please leave a comment if you have any questions

[AuroraWright]

Apparently an issue with fastboot3DS (neither boot9strap nor godmode9 have this issue). Might be fixed, but as a reminder we only support (and test) b9s as a launcher.

[derrekr]

Hi,
for future releases it would be nice if Luma could be tested on fastboot3DS as launcher as well.
We and our users would highly appreciate it.

[ghost]

@derrekr

If it's a Luma bug that fastboot just happens to expose, it'll be fixed on our side of course, but we won't deliberately target or aim for fastboot3DS compatibility.

[profi200]

I have pinpointed the issue to the __libc_init_array() call in ARM11 _start which in turn calls this weird _init() which got pulled in from crti.o in dkA. When i try to include a simple bx lr version it complains about:
"multiple definition of `_init'; /opt/devkitpro/devkitARM/lib/gcc/arm-none-eabi/8.3.0/armv6k/fpu/crti.o:(.init+0x0): first defined here"

.text:1FF8008C EXPORT _init
.text:1FF8008C _init ; CODE XREF: __libc_init_array+3C↓p
.text:1FF8008C MOV R12, SP
.text:1FF80090 STMFD SP!, {R3-R12,LR,PC}
.text:1FF80094 SUB R11, R12, #4
.text:1FF80098 SUB SP, R11, #40
.text:1FF8009C LDMFD SP, {R4-R11,SP,LR}
.text:1FF800A0 BX LR
.text:1FF800A0 ; End of function _init

edit:
And all this happens before the stack pointer is set in _start.

edit2:
Setting the stack pointer earlier fixes it. Just tested it.

[ghost]

@AuroraWright would the fix suggested by profi200's fix work with b9s to and when could his fix be applied to a new commit