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https://opencores.org/ocsvn/sardmips/sardmips/trunk
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| Rev 4 |
Rev 18 |
/*
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/*
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* Starting point for everything (bootstrap)
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* Starting point for everything (bootstrap)
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*
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*
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* Initializes the stack pointer and jumps to main().
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* Initializes the stack pointer and jumps to main().
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*/
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*/
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#include "regdef.h"
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#include "regdef.h"
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.text
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.text
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.align 2
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.align 2
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.globl _start
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.globl _start
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.ent _start
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.ent _start
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_start:
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_start:
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.set noreorder
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.set noreorder
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/* Setup stack pointer */
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/* Setup stack pointer */
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la sp, _sp
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la sp, _sp
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/* Clear bss */
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/* Clear bss */
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la t0, 0x00000000 /* First address */
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la t0, 0x00000000 /* First address */
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la t1, _end /* Last address */
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la t1, _end /* Last address */
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bbs_zero:
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bbs_zero:
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/*sw zero, 0(t0)
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/*sw zero, 0(t0)
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bne t0, t1, bbs_zero
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bne t0, t1, bbs_zero
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addiu t0, 4*/
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addiu t0, 4*/
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/* Jump to main */
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/* Jump to main */
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jal main
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jal main
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nop
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nop
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/* Run endless loop when the program terminates */
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/* Run endless loop when the program terminates */
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loop:
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loop:
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j loop
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j loop
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.set reorder
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.set reorder
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.end _start
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.end _start
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