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97 lines
5.8 KiB
C

/*
GP2X minimal library v0.A by rlyeh, (c) 2005. emulnation.info@rlyeh (swap it!)
Thanks to Squidge, Robster, snaff, Reesy and NK, for the help & previous work! :-)
License
=======
Free for non-commercial projects (it would be nice receiving a mail from you).
Other cases, ask me first.
GamePark Holdings is not allowed to use this library and/or use parts from it.
*/
#include "minimal.h"
#ifndef __MINIMAL_H_STUB_940T__
#define __MINIMAL_H_STUB_940T__
#undef gp2x_dualcore_data
#define gp2x_dualcore_data(v) gp2x_2ndcore_data(v)
#define main gp2x_2ndcore_run
static void gp2x_2ndcore_start(void) __attribute__((naked));
static void gp2x_2ndcore_start(void)
{
unsigned long gp2x_dequeue(gp2x_queue *q)
{
unsigned long data;
while(!q->items); //waiting for head to increase...
data=q->place940t[q->tail = (q->tail < q->max_items ? q->tail+1 : 0)];
q->items--;
return data;
}
#define gp2x_dualcore_name_subprogram(name) \
/* 00000020 <_start>: */ \
/* 0:*/ asm volatile (".word 0xe59ff02c"); /* ldr pc, [pc, #44] ; 34 <ioffset> */ \
/* 4:*/ asm volatile (".word 0xe59ff028"); /* ldr pc, [pc, #40] ; 34 <ioffset> */ \
/* 8:*/ asm volatile (".word 0xe59ff024"); /* ldr pc, [pc, #36] ; 34 <ioffset> */ \
/* c:*/ asm volatile (".word 0xe59ff020"); /* ldr pc, [pc, #32] ; 34 <ioffset> */ \
/* 10:*/ asm volatile (".word 0xe59ff01c"); /* ldr pc, [pc, #28] ; 34 <ioffset> */ \
/* 14:*/ asm volatile (".word 0xe59ff018"); /* ldr pc, [pc, #24] ; 34 <ioffset> */ \
/* 18:*/ asm volatile (".word 0xe59ff014"); /* ldr pc, [pc, #20] ; 34 <ioffset> */ \
/* 1c:*/ asm volatile (".word 0xe59ff010"); /* ldr pc, [pc, #16] ; 34 <ioffset> */ \
/* 00000020 <_init>: */ \
/* 20:*/ asm volatile (".word 0xe59fd010"); /* ldr sp, [pc, #16] ; 38 <stack> */ \
/* 24:*/ asm volatile (".word 0xe59fc010"); /* ldr ip, [pc, #16] ; 3c <deadbeef> */ \
/* 28:*/ asm volatile (".word 0xe59fb010"); /* ldr fp, [pc, #16] ; 40 <leetface> */ \
/* 2c:*/ asm volatile (".word 0xe92d1800"); /* stmdb sp!, {fp, ip} */ \
/* 30:*/ asm volatile (".word 0xea000004"); /* b 48 <realinit> */ \
/* 00000034 <ioffset>: */ \
/* 34:*/ asm volatile (".word 0x00000020"); /* */ \
/* 00000038 <stack>: */ \
/* 38:*/ asm volatile (".word 0x000ffffc"); /* */ \
/* 0000003c <deadbeef>: */ \
/* 3c:*/ asm volatile (".word 0xdeadbeef"); /* */ \
/* 00000040 <leetface>: */ \
/* 40:*/ asm volatile (".word 0x1ee7face"); /* */ \
/* 00000044 <area1>: */ \
/* 44:*/ asm volatile (".word 0x00100019"); /* */ \
/* 00000048 <realinit>: */ \
/* our main code starts here... */ \
/* 48:*/ asm volatile (".word 0xe3a0003f"); /* mov r0, #63 ; 0x3f */ \
/* 4c:*/ asm volatile (".word 0xee060f10"); /* mcr 15, 0, r0, cr6, cr0, {0} */ \
/* 50:*/ asm volatile (".word 0xee060f30"); /* mcr 15, 0, r0, cr6, cr0, {1} */ \
/* 54:*/ asm volatile (".word 0xe51f0018"); /* ldr r0, [pc, #-24] ; 44 <area1> */ \
/* 58:*/ asm volatile (".word 0xee060f11"); /* mcr 15, 0, r0, cr6, cr1, {0} */ \
/* 5c:*/ asm volatile (".word 0xee060f31"); /* mcr 15, 0, r0, cr6, cr1, {1} */ \
/* 60:*/ asm volatile (".word 0xe3a00001"); /* mov r0, #1 ; 0x1 */ \
/* 64:*/ asm volatile (".word 0xee020f10"); /* mcr 15, 0, r0, cr2, cr0, {0} */ \
/* 68:*/ asm volatile (".word 0xee020f30"); /* mcr 15, 0, r0, cr2, cr0, {1} */ \
/* 6c:*/ asm volatile (".word 0xee030f10"); /* mcr 15, 0, r0, cr3, cr0, {0} */ \
/* 70:*/ asm volatile (".word 0xe3a0000f"); /* mov r0, #15 ; 0xf */ \
/* 74:*/ asm volatile (".word 0xee050f10"); /* mcr 15, 0, r0, cr5, cr0, {0} */ \
/* 78:*/ asm volatile (".word 0xee050f30"); /* mcr 15, 0, r0, cr5, cr0, {1} */ \
/* 7c:*/ asm volatile (".word 0xee110f10"); /* mrc 15, 0, r0, cr1, cr0, {0} */ \
/* 80:*/ asm volatile (".word 0xe3800001"); /* orr r0, r0, #1 ; 0x1 */ \
/* 84:*/ asm volatile (".word 0xe3800004"); /* orr r0, r0, #4 ; 0x4 */ \
/* 88:*/ asm volatile (".word 0xe3800a01"); /* orr r0, r0, #4096 ; 0x1000 */ \
/* 8c:*/ asm volatile (".word 0xe3800103"); /* orr r0, r0, #-1073741824 ; 0xc0000000 */ \
/* 90:*/ asm volatile (".word 0xee010f10"); /* mcr 15, 0, r0, cr1, cr0, {0} */ \
while(1) gp2x_2ndcore_run(gp2x_dequeue((gp2x_queue *)gp2x_2ndcore_data_ptr(GP2X_QUEUE_ARRAY_PTR))); \
} \
void gp2x_dualcore_launch_##name##_subprogram(void) { gp2x_dualcore_launch_program((unsigned long *)&gp2x_2ndcore_start, ((int)&gp2x_dualcore_launch_##name##_subprogram)-((int)&gp2x_2ndcore_start)); }
#endif