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modified BaS copy to also have the exception routines in RAM

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This commit is contained in:
Markus Fröschle
2013-08-05 04:22:10 +00:00
parent b7610ad0bd
commit 6feecbbb6f
1 changed files with 7 additions and 2 deletions
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9
BaS_gcc/sources/sysinit.c
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@@ -812,6 +812,12 @@ extern uint8_t _BAS_SIZE[];
extern uint8_t _FASTRAM_END[]; extern uint8_t _FASTRAM_END[];
#define FASTRAM_END ((uint32_t)_FASTRAM_END) #define FASTRAM_END ((uint32_t)_FASTRAM_END)
extern uint8_t _BAS_RESIDENT_TEXT[];
#define BAS_RESIDENT_TEXT ((uint32_t) _BAS_RESIDENT_TEXT)
extern uint8_t _BAS_RESIDENT_TEXT_SIZE[];
#define BAS_RESIDENT_TEXT_SIZE ((uint32_t) _BAS_RESIDENT_TEXT_SIZE)
void clear_datasegment(void) void clear_datasegment(void)
{ {
uint16_t *p; uint16_t *p;
@@ -955,7 +961,7 @@ void initialize_hardware(void) {
//video_1280_1024(); //video_1280_1024();
init_ac97(); init_ac97();
xprintf("copying BaS data (%p - %p) to RAM (%p - %p)\r\n", BAS_LMA, BAS_LMA + BAS_SIZE, BAS_IN_RAM, BAS_IN_RAM + BAS_SIZE); xprintf("copying BaS (%p - %p) to RAM (%p - %p)\r\n", BAS_LMA, BAS_LMA + BAS_SIZE, BAS_IN_RAM, BAS_IN_RAM + BAS_SIZE);
memcpy((void *) BAS_IN_RAM, BAS_LMA, BAS_SIZE); memcpy((void *) BAS_IN_RAM, BAS_LMA, BAS_SIZE);
xprintf("finished.\r\n"); xprintf("finished.\r\n");
@@ -963,7 +969,6 @@ void initialize_hardware(void) {
flush_and_invalidate_caches(); flush_and_invalidate_caches();
/* jump into the BaS in RAM */ /* jump into the BaS in RAM */
extern void BaS(void); extern void BaS(void);
BaS(); BaS();
} }