lib_arc/arcmqx.c

#include <common.h>
#include <asm/uboot-arc.h>

#if defined(CONFIG_BOOTMQX)

int init_mqx_context(void)
{
	unsigned long addr = 0;
	enable_interrupts();
	/* indeed only 10 bits of address should be 0 but we already
	 * have function for rounding */
	addr = round_page((unsigned)&__bss_end + CONFIG_SYS_MALLOC_LEN);
	write_new_aux_reg(ARC_REG_INT_VEC_BASE, addr);
	printf("interrupt vector base address is set to the: 0x%x\n", (unsigned)addr);
	return 0;
}

int cleanup_mqx_context(void)
{
	unsigned long addr = 0;

	disable_interrupts();
	addr = (unsigned)&__vector_start;
	write_new_aux_reg(ARC_REG_INT_VEC_BASE, addr);
	printf("interrupt vector base address is restored to the: 0x%x\n", addr);
	return 0;
}

#endif