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add GNU GCC support in LPC2478.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1333 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong
2011-03-17 09:14:38 +00:00
parent 24dfbe437d
commit b5fbd46776
14 changed files with 516 additions and 382 deletions
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2
libcpu/arm/lpc24xx/interrupt.c
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@@ -52,7 +52,6 @@ void rt_hw_interrupt_init()
*vect_addr = 0x0;
*vect_cntl = 0xF;
}
/* init interrupt nest, and context in thread sp */
rt_interrupt_nest = 0;
@@ -79,6 +78,7 @@ void rt_hw_interrupt_install(int vector, rt_isr_handler_t new_handler, rt_isr_ha
{
/* find first un-assigned VIC address for the handler */
vect_addr = (rt_uint32_t *)(VIC_BASE_ADDR + 0x100 + vector*4);
if (old_handler != RT_NULL) *old_handler = *vect_addr; /* get old handler */
*vect_addr = (rt_uint32_t)new_handler; /* set interrupt vector */
}
}