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authorPeter Maydell2017-09-07 14:54:53 +0200
committerPeter Maydell2017-09-07 14:54:53 +0200
commit45db7ba681ede57113a67499840e69ee586bcdf2 (patch)
treec64a2287d6a908a6cc13cd649bdaf2a9991ab351 /hw/intc/armv7m_nvic.c
parentnvic: Add NS alias SCS region (diff)
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target/arm: Make VTOR register banked for v8M
Make the VTOR register banked if v8M security extensions are enabled. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 1503414539-28762-12-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'hw/intc/armv7m_nvic.c')
-rw-r--r--hw/intc/armv7m_nvic.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 2b0b328506..3a1f02d138 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -403,7 +403,7 @@ static void set_irq_level(void *opaque, int n, int level)
}
}
-static uint32_t nvic_readl(NVICState *s, uint32_t offset)
+static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
{
ARMCPU *cpu = s->cpu;
uint32_t val;
@@ -441,7 +441,7 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset)
/* ISRPREEMPT not implemented */
return val;
case 0xd08: /* Vector Table Offset. */
- return cpu->env.v7m.vecbase;
+ return cpu->env.v7m.vecbase[attrs.secure];
case 0xd0c: /* Application Interrupt/Reset Control. */
return 0xfa050000 | (s->prigroup << 8);
case 0xd10: /* System Control. */
@@ -617,7 +617,8 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset)
}
}
-static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value)
+static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value,
+ MemTxAttrs attrs)
{
ARMCPU *cpu = s->cpu;
@@ -638,7 +639,7 @@ static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value)
}
break;
case 0xd08: /* Vector Table Offset. */
- cpu->env.v7m.vecbase = value & 0xffffff80;
+ cpu->env.v7m.vecbase[attrs.secure] = value & 0xffffff80;
break;
case 0xd0c: /* Application Interrupt/Reset Control. */
if ((value >> 16) == 0x05fa) {
@@ -944,7 +945,7 @@ static MemTxResult nvic_sysreg_read(void *opaque, hwaddr addr,
break;
default:
if (size == 4) {
- val = nvic_readl(s, offset);
+ val = nvic_readl(s, offset, attrs);
} else {
qemu_log_mask(LOG_GUEST_ERROR,
"NVIC: Bad read of size %d at offset 0x%x\n",
@@ -1025,7 +1026,7 @@ static MemTxResult nvic_sysreg_write(void *opaque, hwaddr addr,
return MEMTX_OK;
}
if (size == 4) {
- nvic_writel(s, offset, value);
+ nvic_writel(s, offset, value, attrs);
return MEMTX_OK;
}
qemu_log_mask(LOG_GUEST_ERROR,