Subversion Repositories HelenOS

Rev

Rev 2787 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2787 Rev 4377
Line 25... Line 25...
25 
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 25 
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 26 
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 
#
 27 
#
28 
 
 28 
 
29 
#include "regname.h"
 29 
#include "regname.h"
30 
 
 - 
 
31 
#define INITIAL_STACK 0x80040000
 30 
#include "main.h"
32 
 
 31 
 
33 
.set noat
 32 
.set noat
34 
.set noreorder
 33 
.set noreorder
35 
.set nomacro
 34 
.set nomacro
36 
 
 35 
 
37 
.section BOOTSTRAP
 36 
.section BOOTSTRAP
38 
 
 37 
 
39 
.global start
 38 
.global start
40 
start:
 39 
start:
41 
	lui $sp, INITIAL_STACK >> 16
 - 
 
42 
	ori $sp, $sp, INITIAL_STACK & 0xffff
 - 
 
43
40
- 
 
 41 
	/* Setup CPU map (on msim this code
- 
 
 42 
	   is executed in parallel on all CPUs,
- 
 
 43 
	   but it not an issue) */
- 
 
 44 
	la $a0, CPUMAP
- 
 
 45
- 
 
 46 
	sw $zero, 0($a0)
- 
 
 47 
	sw $zero, 4($a0)
44 
	j bootstrap
 48 
	sw $zero, 8($a0)
- 
 
 49 
	sw $zero, 12($a0)
- 
 
 50
- 
 
 51 
	sw $zero, 16($a0)
- 
 
 52 
	sw $zero, 20($a0)
- 
 
 53 
	sw $zero, 24($a0)
- 
 
 54 
	sw $zero, 28($a0)
- 
 
 55
- 
 
 56 
	sw $zero, 32($a0)
- 
 
 57 
	sw $zero, 36($a0)
- 
 
 58 
	sw $zero, 40($a0)
- 
 
 59 
	sw $zero, 44($a0)
- 
 
 60
- 
 
 61 
	sw $zero, 48($a0)
- 
 
 62 
	sw $zero, 52($a0)
- 
 
 63 
	sw $zero, 56($a0)
- 
 
 64 
	sw $zero, 60($a0)
- 
 
 65
- 
 
 66 
	sw $zero, 64($a0)
- 
 
 67 
	sw $zero, 68($a0)
- 
 
 68 
	sw $zero, 72($a0)
- 
 
 69 
	sw $zero, 76($a0)
- 
 
 70
- 
 
 71 
	sw $zero, 80($a0)
- 
 
 72 
	sw $zero, 84($a0)
- 
 
 73 
	sw $zero, 88($a0)
- 
 
 74 
	sw $zero, 92($a0)
- 
 
 75
- 
 
 76 
	sw $zero, 96($a0)
- 
 
 77 
	sw $zero, 100($a0)
- 
 
 78 
	sw $zero, 104($a0)
- 
 
 79 
	sw $zero, 108($a0)
- 
 
 80
- 
 
 81 
	sw $zero, 112($a0)
- 
 
 82 
	sw $zero, 116($a0)
- 
 
 83 
	sw $zero, 120($a0)
- 
 
 84 
	sw $zero, 124($a0)
- 
 
 85
- 
 
 86 
	lui $a1, 1
- 
 
 87
- 
 
 88 
#ifdef MACHINE_msim
- 
 
 89
- 
 
 90 
	/* Read dorder value */
- 
 
 91 
	la $k0, MSIM_DORDER_ADDRESS
- 
 
 92 
	lw $k1, ($k0)
- 
 
 93
- 
 
 94 
	/* If we are not running on BSP
- 
 
 95 
	   then end in an infinite loop  */
- 
 
 96 
	beq $k1, $zero, bsp
45 
	nop
 97 
	nop
- 
 
 98
- 
 
 99 
	/* Record CPU presence */
- 
 
 100 
	sll $a2, $k1, 2
- 
 
 101 
	addu $a2, $a2, $a0
- 
 
 102 
	sw $a1, ($a2)
- 
 
 103
- 
 
 104 
	loop:
- 
 
 105 
		j loop
- 
 
 106 
		nop
- 
 
 107
- 
 
 108 
#endif
- 
 
 109
- 
 
 110 
	bsp:
- 
 
 111 
		/* Record CPU presence */
- 
 
 112 
		sw $a1, ($a0)
- 
 
 113
- 
 
 114 
		/* Setup initial stack */
- 
 
 115 
		la $sp, INITIAL_STACK
- 
 
 116
- 
 
 117 
		j bootstrap
- 
 
 118 
		nop