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[Qemu-devel] [PATCH v2 08/19] s390x: move sclp_service_call() to interru
From: |
David Hildenbrand |
Subject: |
[Qemu-devel] [PATCH v2 08/19] s390x: move sclp_service_call() to interrupt.c |
Date: |
Mon, 4 Sep 2017 17:43:05 +0200 |
Fix up includes and rename it to s390x_*.
cpu.h is now free of externally implemented functions.
Signed-off-by: David Hildenbrand <address@hidden>
---
hw/s390x/sclp.c | 51 +---------------------------------------------
include/hw/s390x/sclp.h | 1 +
target/s390x/cpu.h | 5 +----
target/s390x/interrupt.c | 49 ++++++++++++++++++++++++++++++++++++++++++++
target/s390x/kvm.c | 2 +-
target/s390x/misc_helper.c | 2 +-
6 files changed, 54 insertions(+), 56 deletions(-)
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
index fd097262c7..9618dfac0a 100644
--- a/hw/s390x/sclp.c
+++ b/hw/s390x/sclp.c
@@ -24,7 +24,7 @@
#include "hw/s390x/s390-pci-bus.h"
#include "hw/s390x/ipl.h"
-static inline SCLPDevice *get_sclp_device(void)
+SCLPDevice *get_sclp_device(void)
{
static SCLPDevice *sclp;
@@ -424,55 +424,6 @@ static void sclp_execute(SCLPDevice *sclp, SCCB *sccb,
uint32_t code)
}
}
-int sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code)
-{
- SCLPDevice *sclp = get_sclp_device();
- SCLPDeviceClass *sclp_c = SCLP_GET_CLASS(sclp);
- int r = 0;
- SCCB work_sccb;
-
- hwaddr sccb_len = sizeof(SCCB);
-
- /* first some basic checks on program checks */
- if (env->psw.mask & PSW_MASK_PSTATE) {
- r = -PGM_PRIVILEGED;
- goto out;
- }
- if (cpu_physical_memory_is_io(sccb)) {
- r = -PGM_ADDRESSING;
- goto out;
- }
- if ((sccb & ~0x1fffUL) == 0 || (sccb & ~0x1fffUL) == env->psa
- || (sccb & ~0x7ffffff8UL) != 0) {
- r = -PGM_SPECIFICATION;
- goto out;
- }
-
- /*
- * we want to work on a private copy of the sccb, to prevent guests
- * from playing dirty tricks by modifying the memory content after
- * the host has checked the values
- */
- cpu_physical_memory_read(sccb, &work_sccb, sccb_len);
-
- /* Valid sccb sizes */
- if (be16_to_cpu(work_sccb.h.length) < sizeof(SCCBHeader) ||
- be16_to_cpu(work_sccb.h.length) > SCCB_SIZE) {
- r = -PGM_SPECIFICATION;
- goto out;
- }
-
- sclp_c->execute(sclp, &work_sccb, code);
-
- cpu_physical_memory_write(sccb, &work_sccb,
- be16_to_cpu(work_sccb.h.length));
-
- sclp_c->service_interrupt(sclp, sccb);
-
-out:
- return r;
-}
-
static void service_interrupt(SCLPDevice *sclp, uint32_t sccb)
{
SCLPEventFacility *ef = sclp->event_facility;
diff --git a/include/hw/s390x/sclp.h b/include/hw/s390x/sclp.h
index a72d096081..1cc233d01f 100644
--- a/include/hw/s390x/sclp.h
+++ b/include/hw/s390x/sclp.h
@@ -237,6 +237,7 @@ static inline int sccb_data_len(SCCB *sccb)
}
+SCLPDevice *get_sclp_device(void);
void s390_sclp_init(void);
sclpMemoryHotplugDev *init_sclp_memory_hotplug_dev(void);
sclpMemoryHotplugDev *get_sclp_memory_hotplug_dev(void);
diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
index 6c0abb9894..147aceba28 100644
--- a/target/s390x/cpu.h
+++ b/target/s390x/cpu.h
@@ -698,6 +698,7 @@ int cpu_s390x_signal_handler(int host_signum, void *pinfo,
void *puc);
/* interrupt.c */
+int s390x_sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code);
void s390_crw_mchk(void);
void s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr,
uint32_t io_int_parm, uint32_t io_int_word);
@@ -718,8 +719,4 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t
ar, void *hostbuf,
#define s390_cpu_virt_mem_check_write(cpu, laddr, ar, len) \
s390_cpu_virt_mem_rw(cpu, laddr, ar, NULL, len, true)
-
-/* outside of target/s390x/ */
-int sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code);
-
#endif
diff --git a/target/s390x/interrupt.c b/target/s390x/interrupt.c
index 9aa6b89301..a3b627dd40 100644
--- a/target/s390x/interrupt.c
+++ b/target/s390x/interrupt.c
@@ -17,6 +17,7 @@
#include "hw/s390x/ioinst.h"
#if !defined(CONFIG_USER_ONLY)
#include "hw/s390x/s390-virtio-ccw.h"
+#include "hw/s390x/sclp.h"
#endif
/* Ensure to exit the TB after this call! */
@@ -161,4 +162,52 @@ void s390_crw_mchk(void)
}
}
+int s390x_sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code)
+{
+ SCLPDevice *sclp = get_sclp_device();
+ SCLPDeviceClass *sclp_c = SCLP_GET_CLASS(sclp);
+ int r = 0;
+ SCCB work_sccb;
+
+ hwaddr sccb_len = sizeof(SCCB);
+
+ /* first some basic checks on program checks */
+ if (env->psw.mask & PSW_MASK_PSTATE) {
+ r = -PGM_PRIVILEGED;
+ goto out;
+ }
+ if (cpu_physical_memory_is_io(sccb)) {
+ r = -PGM_ADDRESSING;
+ goto out;
+ }
+ if ((sccb & ~0x1fffUL) == 0 || (sccb & ~0x1fffUL) == env->psa
+ || (sccb & ~0x7ffffff8UL) != 0) {
+ r = -PGM_SPECIFICATION;
+ goto out;
+ }
+
+ /*
+ * we want to work on a private copy of the sccb, to prevent guests
+ * from playing dirty tricks by modifying the memory content after
+ * the host has checked the values
+ */
+ cpu_physical_memory_read(sccb, &work_sccb, sccb_len);
+
+ /* Valid sccb sizes */
+ if (be16_to_cpu(work_sccb.h.length) < sizeof(SCCBHeader) ||
+ be16_to_cpu(work_sccb.h.length) > SCCB_SIZE) {
+ r = -PGM_SPECIFICATION;
+ goto out;
+ }
+
+ sclp_c->execute(sclp, &work_sccb, code);
+
+ cpu_physical_memory_write(sccb, &work_sccb,
+ be16_to_cpu(work_sccb.h.length));
+
+ sclp_c->service_interrupt(sclp, sccb);
+
+out:
+ return r;
+}
#endif
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index ed59896423..c36e4efdec 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -1069,7 +1069,7 @@ static int kvm_sclp_service_call(S390CPU *cpu, struct
kvm_run *run,
sccb = env->regs[ipbh0 & 0xf];
code = env->regs[(ipbh0 & 0xf0) >> 4];
- r = sclp_service_call(env, sccb, code);
+ r = s390x_sclp_service_call(env, sccb, code);
if (r < 0) {
kvm_s390_program_interrupt(cpu, -r);
} else {
diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c
index b142db71c6..57c02ddf1b 100644
--- a/target/s390x/misc_helper.c
+++ b/target/s390x/misc_helper.c
@@ -76,7 +76,7 @@ void HELPER(exception)(CPUS390XState *env, uint32_t excp)
uint32_t HELPER(servc)(CPUS390XState *env, uint64_t r1, uint64_t r2)
{
qemu_mutex_lock_iothread();
- int r = sclp_service_call(env, r1, r2);
+ int r = s390x_sclp_service_call(env, r1, r2);
if (r < 0) {
program_interrupt(env, -r, 4);
r = 0;
--
2.13.5
- [Qemu-devel] [PATCH v2 03/19] s390x: get rid of s390-virtio.c, (continued)
- [Qemu-devel] [PATCH v2 08/19] s390x: move sclp_service_call() to interrupt.c,
David Hildenbrand <=
[Qemu-devel] [PATCH v2 09/19] target/s390x: use trigger_pgm_exception() in s390_cpu_handle_mmu_fault(), David Hildenbrand, 2017/09/04
[Qemu-devel] [PATCH v2 10/19] target/s390x: use program_interrupt() in per_check_exception(), David Hildenbrand, 2017/09/04