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armv8m: fix up_secure_irq failed for NVIC_IRQ_BUSFAULT

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Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd 2023-05-18 23:25:23 +08:00 committed by Xiang Xiao
parent 7a0ef1d0ca
commit b445029cf2
1 changed files with 5 additions and 0 deletions
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5
arch/arm/src/armv8-m/arm_secure_irq.c
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@ -49,6 +49,8 @@
void up_secure_irq(int irq, bool secure) void up_secure_irq(int irq, bool secure)
{ {
uint32_t keymask = 0;
uint32_t keyval = 0;
uint32_t regaddr; uint32_t regaddr;
uint32_t regval; uint32_t regval;
uint32_t regbit; uint32_t regbit;
@ -60,6 +62,8 @@ void up_secure_irq(int irq, bool secure)
case NVIC_IRQ_BUSFAULT: case NVIC_IRQ_BUSFAULT:
regaddr = NVIC_AIRCR; regaddr = NVIC_AIRCR;
regbit = NVIC_AIRCR_BFHFNMINS; regbit = NVIC_AIRCR_BFHFNMINS;
keymask = NVIC_AIRCR_VECTKEY_MASK;
keyval = NVIC_AIRCR_VECTKEY;
break; break;
case NVIC_IRQ_DBGMONITOR: case NVIC_IRQ_DBGMONITOR:
@ -85,6 +89,7 @@ void up_secure_irq(int irq, bool secure)
regval |= regbit; regval |= regbit;
} }
regval = (regval & ~keymask) | keyval;
putreg32(regval, regaddr); putreg32(regval, regaddr);
} }