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authorThomas Huth <thuth@linux.vnet.ibm.com>2015-02-12 18:09:40 +0100
committerChristian Borntraeger <borntraeger@de.ibm.com>2015-02-18 09:37:15 +0100
commit7781a492fa5a2eff53d06b25b93f0186ad3226c9 (patch)
tree030f9accdd7699348f95ec6b2eec34ec9916b897 /target-s390x
parent166f1bb7968738490fafc058e4b6505eb78701b6 (diff)
downloadqemu-7781a492fa5a2eff53d06b25b93f0186ad3226c9.tar.gz
s390x/ioinst: Rework memory access in TPI instruction
Change the handler for TPI to use the new logical memory access functions. Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'target-s390x')
-rw-r--r--target-s390x/ioinst.c19
-rw-r--r--target-s390x/ioinst.h2
2 files changed, 8 insertions, 13 deletions
diff --git a/target-s390x/ioinst.c b/target-s390x/ioinst.c
index 7e748c210f..b00a00ca2b 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 674616046d..203bdba2d5 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);