| 27,9 → 27,8 |
|---|
| # |
| |
| #include "regname.h" |
| #include "main.h" |
| |
| #define INITIAL_STACK 0x80040000 |
| |
| .set noat |
| .set noreorder |
| .set nomacro |
| 38,8 → 37,82 |
|---|
| |
| .global start |
| start: |
| lui $sp, INITIAL_STACK >> 16 |
| ori $sp, $sp, INITIAL_STACK & 0xffff |
| |
| j bootstrap |
| /* Setup CPU map (on msim this code |
| is executed in parallel on all CPUs, |
| but it not an issue) */ |
| la $a0, CPUMAP |
| |
| sw $zero, 0($a0) |
| sw $zero, 4($a0) |
| sw $zero, 8($a0) |
| sw $zero, 12($a0) |
| |
| sw $zero, 16($a0) |
| sw $zero, 20($a0) |
| sw $zero, 24($a0) |
| sw $zero, 28($a0) |
| |
| sw $zero, 32($a0) |
| sw $zero, 36($a0) |
| sw $zero, 40($a0) |
| sw $zero, 44($a0) |
| |
| sw $zero, 48($a0) |
| sw $zero, 52($a0) |
| sw $zero, 56($a0) |
| sw $zero, 60($a0) |
| |
| sw $zero, 64($a0) |
| sw $zero, 68($a0) |
| sw $zero, 72($a0) |
| sw $zero, 76($a0) |
| |
| sw $zero, 80($a0) |
| sw $zero, 84($a0) |
| sw $zero, 88($a0) |
| sw $zero, 92($a0) |
| |
| sw $zero, 96($a0) |
| sw $zero, 100($a0) |
| sw $zero, 104($a0) |
| sw $zero, 108($a0) |
| |
| sw $zero, 112($a0) |
| sw $zero, 116($a0) |
| sw $zero, 120($a0) |
| sw $zero, 124($a0) |
| |
| lui $a1, 1 |
| |
| #ifdef MACHINE_msim |
| |
| /* Read dorder value */ |
| la $k0, MSIM_DORDER_ADDRESS |
| lw $k1, ($k0) |
| |
| /* If we are not running on BSP |
| then end in an infinite loop */ |
| beq $k1, $zero, bsp |
| nop |
| |
| /* Record CPU presence */ |
| sll $a2, $k1, 2 |
| addu $a2, $a2, $a0 |
| sw $a1, ($a2) |
| |
| loop: |
| j loop |
| nop |
| |
| #endif |
| |
| bsp: |
| /* Record CPU presence */ |
| sw $a1, ($a0) |
| |
| /* Setup initial stack */ |
| la $sp, INITIAL_STACK |
| |
| j bootstrap |
| nop |