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Do better job with UIE_VECTOR.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16221 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2008-02-05 07:17:56 +00:00
parent 2c82494e66
commit c3e73a5f9e
1 changed files with 14 additions and 8 deletions
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22
firmware/target/arm/imx31/gigabeat-s/avic-imx31.c
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@ -45,22 +45,28 @@ static const char * avic_int_names[64] =
static void UIE_VECTOR(void)
{
set_interrupt_status(IRQ_FIQ_DISABLED, IRQ_FIQ_STATUS);
long offset = FIVECSR;
long offsetn = (long)NIVECSR >> 16;
int mode;
long offset;
if (offsetn == -1)
offset = offsetn; /* Could be FIQ */
asm volatile (
"mrs %0, cpsr \n" /* Mask core IRQ/FIQ */
"orr %0, %0, #0xc0 \n"
"msr cpsr_c, %0 \n"
"and %0, %0, #0x1f \n" /* Get mode bits */
: "=&r"(mode)
);
offset = mode == 0x11 ? (long)FIVECSR : ((long)NIVECSR >> 16);
panicf("Unhandled %s %ld: %s",
offsetn >= 0 ? "IRQ" : "FIQ", offset,
offset >= 0 ? avic_int_names[offset] : "");
mode == 0x11 ? "FIQ" : "IRQ", offset,
offset >= 0 ? avic_int_names[offset] : "<Unknown>");
}
/* We use the AVIC */
void __attribute__((naked)) irq_handler(void)
{
panicf("Unhandled IRQ");
panicf("Unhandled IRQ in irq_handler");
}
/* Accoring to section 9.3.5 of the UM, the AVIC doesn't accelerate