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[Qemu-ppc] [RFC PATCH v4 1/5] target/ppc: Move exception vector offset c
From: |
Fabiano Rosas |
Subject: |
[Qemu-ppc] [RFC PATCH v4 1/5] target/ppc: Move exception vector offset computation into a function |
Date: |
Thu, 28 Feb 2019 19:57:55 -0300 |
Signed-off-by: Fabiano Rosas <address@hidden>
Reviewed-by: Alexey Kardashevskiy <address@hidden>
---
target/ppc/excp_helper.c | 30 +++++++++++++++++++-----------
1 file changed, 19 insertions(+), 11 deletions(-)
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index 39bedbb11d..beafcf1ebd 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -107,6 +107,24 @@ static int powerpc_reset_wakeup(CPUState *cs, CPUPPCState
*env, int excp,
return POWERPC_EXCP_RESET;
}
+static uint64_t ppc_excp_vector_offset(CPUState *cs, int ail)
+{
+ uint64_t offset = 0;
+
+ switch (ail) {
+ case AIL_0001_8000:
+ offset = 0x18000;
+ break;
+ case AIL_C000_0000_0000_4000:
+ offset = 0xc000000000004000ull;
+ break;
+ default:
+ cpu_abort(cs, "Invalid AIL combination %d\n", ail);
+ break;
+ }
+
+ return offset;
+}
/* Note that this function should be greatly optimized
* when called with a constant excp, from ppc_hw_interrupt
@@ -708,17 +726,7 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int
excp_model, int excp)
/* Handle AIL */
if (ail) {
new_msr |= (1 << MSR_IR) | (1 << MSR_DR);
- switch(ail) {
- case AIL_0001_8000:
- vector |= 0x18000;
- break;
- case AIL_C000_0000_0000_4000:
- vector |= 0xc000000000004000ull;
- break;
- default:
- cpu_abort(cs, "Invalid AIL combination %d\n", ail);
- break;
- }
+ vector |= ppc_excp_vector_offset(cs, ail);
}
#if defined(TARGET_PPC64)
--
2.20.1