From 968db419de26d3011670ca7eeab57424f93cd888 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Thu, 30 Nov 2017 17:27:34 +0100 Subject: [PATCH] s390x/diag: pass the retaddr into handle_diag_308() Needed to later drop potential_page_fault() from the diag TCG translate function. Convert program_interrupt() to s390_program_interrupt() directly, making use of the passed address. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand Message-Id: <20171130162744.25442-7-david@redhat.com> Signed-off-by: Cornelia Huck --- target/s390x/diag.c | 14 +++++++------- target/s390x/internal.h | 3 ++- target/s390x/kvm.c | 2 +- target/s390x/misc_helper.c | 2 +- 4 files changed, 11 insertions(+), 10 deletions(-) diff --git a/target/s390x/diag.c b/target/s390x/diag.c index dbbb9e886f..a755837ad5 100644 --- a/target/s390x/diag.c +++ b/target/s390x/diag.c @@ -99,19 +99,19 @@ int handle_diag_288(CPUS390XState *env, uint64_t r1, uint64_t r3) #define DIAG_308_RC_NO_CONF 0x0102 #define DIAG_308_RC_INVALID 0x0402 -void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3) +void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3, uintptr_t ra) { uint64_t addr = env->regs[r1]; uint64_t subcode = env->regs[r3]; IplParameterBlock *iplb; if (env->psw.mask & PSW_MASK_PSTATE) { - program_interrupt(env, PGM_PRIVILEGED, ILEN_AUTO); + s390_program_interrupt(env, PGM_PRIVILEGED, ILEN_AUTO, ra); return; } if ((subcode & ~0x0ffffULL) || (subcode > 6)) { - program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO); + s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra); return; } @@ -136,12 +136,12 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3) break; case 5: if ((r1 & 1) || (addr & 0x0fffULL)) { - program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO); + s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra); return; } if (!address_space_access_valid(&address_space_memory, addr, sizeof(IplParameterBlock), false)) { - program_interrupt(env, PGM_ADDRESSING, ILEN_AUTO); + s390_program_interrupt(env, PGM_ADDRESSING, ILEN_AUTO, ra); return; } iplb = g_new0(IplParameterBlock, 1); @@ -165,12 +165,12 @@ out: return; case 6: if ((r1 & 1) || (addr & 0x0fffULL)) { - program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO); + s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra); return; } if (!address_space_access_valid(&address_space_memory, addr, sizeof(IplParameterBlock), true)) { - program_interrupt(env, PGM_ADDRESSING, ILEN_AUTO); + s390_program_interrupt(env, PGM_ADDRESSING, ILEN_AUTO, ra); return; } iplb = s390_ipl_get_iplb(); diff --git a/target/s390x/internal.h b/target/s390x/internal.h index 9db5f2d49d..6817b2c432 100644 --- a/target/s390x/internal.h +++ b/target/s390x/internal.h @@ -411,7 +411,8 @@ int mmu_translate_real(CPUS390XState *env, target_ulong raddr, int rw, /* misc_helper.c */ int handle_diag_288(CPUS390XState *env, uint64_t r1, uint64_t r3); -void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3); +void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3, + uintptr_t ra); /* translate.c */ diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c index 5de6937b47..97c45d5537 100644 --- a/target/s390x/kvm.c +++ b/target/s390x/kvm.c @@ -1451,7 +1451,7 @@ static void kvm_handle_diag_308(S390CPU *cpu, struct kvm_run *run) cpu_synchronize_state(CPU(cpu)); r1 = (run->s390_sieic.ipa & 0x00f0) >> 4; r3 = run->s390_sieic.ipa & 0x000f; - handle_diag_308(&cpu->env, r1, r3); + handle_diag_308(&cpu->env, r1, r3, RA_IGNORED); } static int handle_sw_breakpoint(S390CPU *cpu, struct kvm_run *run) diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c index 9b53abbfa7..556340756c 100644 --- a/target/s390x/misc_helper.c +++ b/target/s390x/misc_helper.c @@ -88,7 +88,7 @@ void HELPER(diag)(CPUS390XState *env, uint32_t r1, uint32_t r3, uint32_t num) case 0x308: /* ipl */ qemu_mutex_lock_iothread(); - handle_diag_308(env, r1, r3); + handle_diag_308(env, r1, r3, GETPC()); qemu_mutex_unlock_iothread(); r = 0; break; -- 2.11.0