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[Qemu-devel] [PATCH 23/25] s390x/ioinst: Rework memory access in TPI ins
From: |
Jens Freimann |
Subject: |
[Qemu-devel] [PATCH 23/25] s390x/ioinst: Rework memory access in TPI instruction |
Date: |
Thu, 12 Feb 2015 18:09:40 +0100 |
From: Thomas Huth <address@hidden>
Change the handler for TPI to use the new logical memory
access functions.
Signed-off-by: Thomas Huth <address@hidden>
Signed-off-by: Jens Freimann <address@hidden>
Acked-by: Cornelia Huck <address@hidden>
---
target-s390x/ioinst.c | 19 +++++++------------
target-s390x/ioinst.h | 2 +-
2 files changed, 8 insertions(+), 13 deletions(-)
diff --git a/target-s390x/ioinst.c b/target-s390x/ioinst.c
index 7e748c2..b00a00c 100644
--- a/target-s390x/ioinst.c
+++ b/target-s390x/ioinst.c
@@ -682,12 +682,13 @@ void ioinst_handle_chsc(S390CPU *cpu, uint32_t ipb)
}
}
-int ioinst_handle_tpi(CPUS390XState *env, uint32_t ipb)
+int ioinst_handle_tpi(S390CPU *cpu, uint32_t ipb)
{
+ CPUS390XState *env = &cpu->env;
uint64_t addr;
int lowcore;
- IOIntCode *int_code;
- hwaddr len, orig_len;
+ IOIntCode int_code;
+ hwaddr len;
int ret;
trace_ioinst("tpi");
@@ -699,16 +700,10 @@ int ioinst_handle_tpi(CPUS390XState *env, uint32_t ipb)
lowcore = addr ? 0 : 1;
len = lowcore ? 8 /* two words */ : 12 /* three words */;
- orig_len = len;
- int_code = s390_cpu_physical_memory_map(env, addr, &len, 1);
- if (!int_code || (len != orig_len)) {
- program_interrupt(env, PGM_ADDRESSING, 2);
- ret = -EIO;
- goto out;
+ ret = css_do_tpi(&int_code, lowcore);
+ if (ret == 1) {
+ s390_cpu_virt_mem_write(cpu, lowcore ? 184 : addr, &int_code, len);
}
- ret = css_do_tpi(int_code, lowcore);
-out:
- s390_cpu_physical_memory_unmap(env, int_code, len, 1);
return ret;
}
diff --git a/target-s390x/ioinst.h b/target-s390x/ioinst.h
index 6746160..203bdba 100644
--- a/target-s390x/ioinst.h
+++ b/target-s390x/ioinst.h
@@ -236,7 +236,7 @@ void ioinst_handle_stcrw(S390CPU *cpu, uint32_t ipb);
void ioinst_handle_stsch(S390CPU *cpu, uint64_t reg1, uint32_t ipb);
int ioinst_handle_tsch(S390CPU *cpu, uint64_t reg1, uint32_t ipb);
void ioinst_handle_chsc(S390CPU *cpu, uint32_t ipb);
-int ioinst_handle_tpi(CPUS390XState *env, uint32_t ipb);
+int ioinst_handle_tpi(S390CPU *cpu, uint32_t ipb);
void ioinst_handle_schm(S390CPU *cpu, uint64_t reg1, uint64_t reg2,
uint32_t ipb);
void ioinst_handle_rsch(S390CPU *cpu, uint64_t reg1);
--
2.1.4
- [Qemu-devel] [PATCH 16/25] s390x/ioinst: Rework memory access in MSCH instruction, (continued)
- [Qemu-devel] [PATCH 16/25] s390x/ioinst: Rework memory access in MSCH instruction, Jens Freimann, 2015/02/12
- [Qemu-devel] [PATCH 13/25] s390x/kvm: Add function for injecting pgm access exceptions, Jens Freimann, 2015/02/12
- [Qemu-devel] [PATCH 17/25] s390x/ioinst: Rework memory access in SSCH instruction, Jens Freimann, 2015/02/12
- [Qemu-devel] [PATCH 02/25] s390x/mmu: Fix the check for the real-space designation bit, Jens Freimann, 2015/02/12
- [Qemu-devel] [PATCH 20/25] s390x/ioinst: Rework memory access in TSCH instruction, Jens Freimann, 2015/02/12
- [Qemu-devel] [PATCH 22/25] s390x/ioinst: Rework memory access in CHSC instruction, Jens Freimann, 2015/02/12
- [Qemu-devel] [PATCH 10/25] s390x/mmu: Renaming related to the ASCE confusion, Jens Freimann, 2015/02/12
- [Qemu-devel] [PATCH 06/25] s390x/mmu: Fix translation exception code in lowcore, Jens Freimann, 2015/02/12
- [Qemu-devel] [PATCH 19/25] s390x/ioinst: Set condition code in ioinst_handle_tsch() handler, Jens Freimann, 2015/02/12
- [Qemu-devel] [PATCH 21/25] s390x/ioinst: Rework memory access in STCRW instruction, Jens Freimann, 2015/02/12
- [Qemu-devel] [PATCH 23/25] s390x/ioinst: Rework memory access in TPI instruction,
Jens Freimann <=
- [Qemu-devel] [PATCH 01/25] s390x/mmu: Move mmu_translate() and friends to separate file, Jens Freimann, 2015/02/12
- Re: [Qemu-devel] [PATCH 00/25] s390x: rework guest memory access, Christian Borntraeger, 2015/02/18