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https://github.com/zeldaret/oot.git
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7334ffa373
* Format all handwritten asm and document some * Use c preprocessor for constants * Fix * Fix PI_STATUS_ERROR, some label improvements * Avoid hi/lo for constants * Some more comments * Properly mark functions as functions and their sizes * Fix merge * Improvements * Review suggestions, rework procedure start/end macros to be more like libreultra * Move IPL3 symbol definitions into ipl3.s * Fix undefined_syms, add include and language guards to asm.h and fix the comment in gbi.h * Consistent hex capitalization, add some MIPS builtin defines to CC_CHECK to behave properly * Add -no-pad-sections assembler option and clean up alignment in gu files and bzero * Further suggestions and improvements * Matrix conversion function clarifications * Fix passing AVOID_UB to gcc * Suggestions * Suggestions, global interrupt mask improvements * Further suggestions, interrupt mask comments * Comments fixes, rdb.h * Switch from # comments to // comments, remove unnecesary .set gp=64 directives * Further review suggestions * Missed one
36 lines
868 B
ArmAsm
36 lines
868 B
ArmAsm
#include "ultra64/asm.h"
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#include "boot.h"
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.set noat
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.set noreorder
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.section .text
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.balign 16
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LEAF(entrypoint)
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// Clear boot segment .bss
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la $t0, _bootSegmentBssStart
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#ifndef AVOID_UB
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// UB: li only loads the lower 16 bits of _bootSegmentBssSize when it may be larger than this,
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// so not all of bss may be cleared if it is too large
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li $t1, _bootSegmentBssSize
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#else
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la $t1, _bootSegmentBssSize
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#endif
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.clear_bss:
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addi $t1, $t1, -8
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sw $zero, ($t0)
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sw $zero, 4($t0)
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bnez $t1, .clear_bss
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addi $t0, $t0, 8
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// Set up stack and enter program code
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lui $t2, %hi(bootproc)
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lui $sp, %hi(sBootThreadStack + BOOT_STACK_SIZE)
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addiu $t2, %lo(bootproc)
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jr $t2
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addiu $sp, %lo(sBootThreadStack + BOOT_STACK_SIZE)
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END(entrypoint)
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.fill 0x60 - (. - entrypoint)
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