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target/ppc: Move exception vector offset computation into a function 

Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-Id: <20190228225759.21328-2-farosas@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Fabiano Rosas 2019-02-28 19:57:55 -03:00 committed by David Gibson
parent 2782ad4c41
commit 2586a4d7a0
1 changed files with 19 additions and 11 deletions
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30
target/ppc/excp_helper.c
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@ -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)