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[PATCH 6/8] target/ppc: 74xx: System Call exception cleanup
From: |
Fabiano Rosas |
Subject: |
[PATCH 6/8] target/ppc: 74xx: System Call exception cleanup |
Date: |
Wed, 26 Jan 2022 13:41:58 -0300 |
There is no sc 1 and no HV mode.
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
---
target/ppc/excp_helper.c | 21 ++-------------------
1 file changed, 2 insertions(+), 19 deletions(-)
diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c
index bb17b65dc0..070c9779ad 100644
--- a/target/ppc/excp_helper.c
+++ b/target/ppc/excp_helper.c
@@ -556,7 +556,7 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
CPUState *cs = CPU(cpu);
CPUPPCState *env = &cpu->env;
target_ulong msr, new_msr, vector;
- int srr0, srr1, lev = -1;
+ int srr0, srr1;
if (excp <= POWERPC_EXCP_NONE || excp >= POWERPC_EXCP_NB) {
cpu_abort(cs, "Invalid PowerPC exception %d. Aborting\n", excp);
@@ -669,30 +669,13 @@ static void powerpc_excp_74xx(PowerPCCPU *cpu, int excp)
}
break;
case POWERPC_EXCP_SYSCALL: /* System call exception */
- lev = env->error_code;
-
- if ((lev == 1) && cpu->vhyp) {
- dump_hcall(env);
- } else {
- dump_syscall(env);
- }
+ dump_syscall(env);
/*
* We need to correct the NIP which in this case is supposed
* to point to the next instruction
*/
env->nip += 4;
-
- /* "PAPR mode" built-in hypercall emulation */
- if ((lev == 1) && cpu->vhyp) {
- PPCVirtualHypervisorClass *vhc =
- PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp);
- vhc->hypercall(cpu->vhyp, cpu);
- return;
- }
- if (lev == 1) {
- new_msr |= (target_ulong)MSR_HVB;
- }
break;
case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */
case POWERPC_EXCP_DECR: /* Decrementer exception */
--
2.34.1
- [PATCH 0/8] target/ppc: powerpc_excp improvements [74xx] (5/n), Fabiano Rosas, 2022/01/26
- [PATCH 8/8] target/ppc: 74xx: Set SRRs directly in exception code, Fabiano Rosas, 2022/01/26
- [PATCH 5/8] target/ppc: 74xx: Program exception cleanup, Fabiano Rosas, 2022/01/26
- [PATCH 3/8] target/ppc: 74xx: Machine Check exception cleanup, Fabiano Rosas, 2022/01/26
- [PATCH 2/8] target/ppc: Simplify powerpc_excp_74xx, Fabiano Rosas, 2022/01/26
- [PATCH 6/8] target/ppc: 74xx: System Call exception cleanup,
Fabiano Rosas <=
- [PATCH 1/8] target/ppc: Introduce powerpc_excp_74xx, Fabiano Rosas, 2022/01/26
- [PATCH 4/8] target/ppc: 74xx: External interrupt cleanup, Fabiano Rosas, 2022/01/26
- [PATCH 7/8] target/ppc: 74xx: System Reset interrupt cleanup, Fabiano Rosas, 2022/01/26
- Re: [PATCH 0/8] target/ppc: powerpc_excp improvements [74xx] (5/n), BALATON Zoltan, 2022/01/26
- Re: [PATCH 0/8] target/ppc: powerpc_excp improvements [74xx] (5/n), Mark Cave-Ayland, 2022/01/27