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fix mips64 some bug

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This commit is contained in:
bigmagic
2020-04-07 14:39:12 +08:00
parent 0f26ffa7a2
commit 990f731b77
16 changed files with 138 additions and 81 deletions
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libcpu/mips/common/stack.c
+11 -10
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@@ -16,8 +16,8 @@ register rt_uint32_t $GP __asm__ ("$28");
rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, rt_uint8_t *stack_addr, void *texit)
{
static rt_uint32_t wSR=0;
static rt_uint32_t wGP;
static rt_ubase_t wSR=0;
static rt_ubase_t wGP;
rt_uint8_t *stk;
struct pt_regs *pt;
@@ -25,26 +25,27 @@ rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, rt_uint8_t *stack_ad
rt_uint32_t i;
/* Get stack aligned */
stk = (rt_uint8_t *)RT_ALIGN_DOWN((rt_uint32_t)stack_addr, 8);
stk = (rt_uint8_t *)RT_ALIGN_DOWN((rt_ubase_t)stack_addr, 8);
stk -= sizeof(struct pt_regs);
pt = (struct pt_regs*)stk;
#ifndef ARCH_MIPS64
for (i = 0; i < 8; ++i)
{
pt->pad0[i] = 0xdeadbeef;
}
#endif
/* Fill Stack register numbers */
for (i = 0; i < 32; ++i)
{
pt->regs[i] = 0xdeadbeef;
}
pt->regs[REG_SP] = (rt_uint32_t)stk;
pt->regs[REG_A0] = (rt_uint32_t)parameter;
pt->regs[REG_GP] = (rt_uint32_t)$GP;
pt->regs[REG_FP] = (rt_uint32_t)0x0;
pt->regs[REG_RA] = (rt_uint32_t)texit;
pt->regs[REG_SP] = (rt_ubase_t)stk;
pt->regs[REG_A0] = (rt_ubase_t)parameter;
pt->regs[REG_GP] = (rt_ubase_t)$GP;
pt->regs[REG_FP] = (rt_ubase_t)0x0;
pt->regs[REG_RA] = (rt_ubase_t)texit;
pt->hi = 0x0;
pt->lo = 0x0;
@@ -53,7 +54,7 @@ rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, rt_uint8_t *stack_ad
pt->cp0_status |= (ST0_CU1 | ST0_FR);
#endif
pt->cp0_cause = read_c0_cause();
pt->cp0_epc = (rt_uint32_t)tentry;
pt->cp0_epc = (rt_ubase_t)tentry;
pt->cp0_badvaddr = 0x0;
return stk;