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finally, we reach the BaS() code which dies when enabling interrupts (exception routine bad?)

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This commit is contained in:
Markus Fröschle
2012-11-01 08:31:12 +00:00
parent 0fed51733a
commit 2a81adbcfa
1 changed files with 16 additions and 16 deletions
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30
BaS_GNU/BaS_GNU/sources/BaS.c
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@@ -60,21 +60,21 @@ void BaS(void)
//MCF_PSC3_PSCTB_8BIT = 0x01; /* request RTC data */ //MCF_PSC3_PSCTB_8BIT = 0x01; /* request RTC data */
* (uint8_t *) &_MBAR[0x890C] = 0x01; * (volatile uint8_t *) &_MBAR[0x890C] = 0x01;
//if (MCF_PSC3_PSCRB_8BIT == 0x81) //if (MCF_PSC3_PSCRB_8BIT == 0x81)
if (* (uint8_t *) &_MBAR[0X890C] == 0x81) if (* (volatile uint8_t *) &_MBAR[0X890C] == 0x81)
{ {
for (i = 0; i < 64; i++) for (i = 0; i < 64; i++)
{ {
* (uint8_t *) 0xffff8963 = (uint8_t) MCF_PSC3_PSCRB_8BIT; /* Copy the NVRAM data from the PIC to the FPGA */ * (volatile int8_t *) 0xffff8963 = (uint8_t) MCF_PSC3_PSCRB_8BIT; /* Copy the NVRAM data from the PIC to the FPGA */
} }
} }
xprintf("copy EmuTOS: "); xprintf("copy EmuTOS: ");
/* copy EMUTOS */ /* copy EMUTOS */
src = (uint8_t *)EMUTOS; src = (uint8_t *) EMUTOS;
while (src < (uint8_t *)(EMUTOS + EMUTOS_SIZE)) while (src < (uint8_t *)(EMUTOS + EMUTOS_SIZE))
{ {
*dst++ = *src++; *dst++ = *src++;
@@ -97,7 +97,7 @@ void BaS(void)
/* interrupts */ /* interrupts */
xprintf("enable interrupts: "); xprintf("enable interrupts: ");
* (uint32_t *) 0xf0010004 = 0L; /* disable all interrupts */ * (volatile uint32_t *) 0xf0010004 = 0L; /* disable all interrupts */
MCF_EPORT_EPPAR = 0xaaa8; /* all interrupts on falling edge */ MCF_EPORT_EPPAR = 0xaaa8; /* all interrupts on falling edge */
MCF_GPT0_GMS = MCF_GPT_GMS_ICT(1) | /* timer 0 on, video change capture on rising edge */ MCF_GPT0_GMS = MCF_GPT_GMS_ICT(1) | /* timer 0 on, video change capture on rising edge */
@@ -105,7 +105,7 @@ void BaS(void)
MCF_GPT_GMS_TMS(1); MCF_GPT_GMS_TMS(1);
MCF_INTC_ICR62 = 0x3f; MCF_INTC_ICR62 = 0x3f;
* (uint8_t *) 0xf0010004 = 0xfe; /* enable int 1-7 */ * (volatile uint8_t *) 0xf0010004 = 0xfe; /* enable int 1-7 */
MCF_EPORT_EPIER = 0xfe; /* int 1-7 on */ MCF_EPORT_EPIER = 0xfe; /* int 1-7 on */
MCF_EPORT_EPFR = 0xff; /* clear all pending interrupts */ MCF_EPORT_EPFR = 0xff; /* clear all pending interrupts */
MCF_INTC_IMRL = 0xffffff00; /* int 1-7 on */ MCF_INTC_IMRL = 0xffffff00; /* int 1-7 on */
@@ -116,21 +116,21 @@ void BaS(void)
xprintf("IDE reset: "); xprintf("IDE reset: ");
/* IDE reset */ /* IDE reset */
* (uint8_t *) (0xffff8802 - 2) = 14; * (volatile uint8_t *) (0xffff8802 - 2) = 14;
* (uint8_t *) (0xffff8802 - 0) = 0x80; * (volatile uint8_t *) (0xffff8802 - 0) = 0x80;
wait_1ms(); wait_1ms();
* (uint8_t *) (0xffff8802 - 0) = 0; * (volatile uint8_t *) (0xffff8802 - 0) = 0;
xprintf("finished\r\n"); xprintf("finished\r\n");
/* /*
* video setup (25MHz) * video setup (25MHz)
*/ */
* (uint32_t *) (0xf0000410 + 0) = 0x032002ba; /* horizontal 640x480 */ * (volatile uint32_t *) (0xf0000410 + 0) = 0x032002ba; /* horizontal 640x480 */
* (uint32_t *) (0xf0000410 + 4) = 0x020c020a; /* vertical 640x480 */ * (volatile uint32_t *) (0xf0000410 + 4) = 0x020c020a; /* vertical 640x480 */
* (uint32_t *) (0xf0000410 + 8) = 0x0190015d; /* horizontal 320x240 */ * (volatile uint32_t *) (0xf0000410 + 8) = 0x0190015d; /* horizontal 320x240 */
* (uint32_t *) (0xf0000410 + 12) = 0x020C020A; /* vertical 320x230 */ * (volatile uint32_t *) (0xf0000410 + 12) = 0x020C020A; /* vertical 320x230 */
#ifdef _NOT_USED_ #ifdef _NOT_USED_
// 32MHz // 32MHz
@@ -141,7 +141,7 @@ void BaS(void)
#endif /* _NOT_USED_ */ #endif /* _NOT_USED_ */
/* fifo on, refresh on, ddrcs and cke on, video dac on */ /* fifo on, refresh on, ddrcs and cke on, video dac on */
* (uint32_t *) (0xf0000410 - 0x20) = 0x01070002; * (volatile uint32_t *) (0xf0000410 - 0x20) = 0x01070002;
/* /*
* memory setup * memory setup
@@ -153,7 +153,7 @@ void BaS(void)
*adr++ = 0x0L; *adr++ = 0x0L;
} }
* (uint8_t *) 0xffff8007 = 0x48; /* FIXME: what's that ? */ * (volatile uint8_t *) 0xffff8007 = 0x48; /* FIXME: what's that ? */
/* ST RAM */ /* ST RAM */