diff options
| author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2015-06-25 09:55:55 +0200 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2015-10-21 12:21:30 +0200 |
| commit | feacc6c2c8fff037f67a89402b29923251833425 (patch) | |
| tree | caf18c2f3f11603d50a255d169aa1406270f2937 | |
| parent | 09c7f58ca9613ccfb1ca13031d0ff3b1794bd782 (diff) | |
s390x/ipl: we always have an ipl device
Both s390 machines unconditionally create an ipl device, so no need to
handle the missing case.
Now we can also change s390_ipl_update_diag308() to return void.
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
| -rw-r--r-- | hw/s390x/ipl.c | 26 | ||||
| -rw-r--r-- | hw/s390x/ipl.h | 2 | ||||
| -rw-r--r-- | target-s390x/misc_helper.c | 7 |
3 files changed, 15 insertions, 20 deletions
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index 31473e749e..b8c6378ba1 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -95,6 +95,11 @@ static const VMStateDescription vmstate_ipl = { } }; +static S390IPLState *get_ipl_device(void) +{ + return S390_IPL(object_resolve_path_type("", TYPE_S390_IPL, NULL)); +} + static uint64_t bios_translate_addr(void *opaque, uint64_t srcaddr) { uint64_t dstaddr = *(uint64_t *) opaque; @@ -251,25 +256,19 @@ out: return (uint32_t) (ipl->cssid << 24 | ipl->ssid << 16 | ipl->devno); } -int s390_ipl_update_diag308(IplParameterBlock *iplb) +void s390_ipl_update_diag308(IplParameterBlock *iplb) { - S390IPLState *ipl; + S390IPLState *ipl = get_ipl_device(); - ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL)); - if (ipl) { - ipl->iplb = *iplb; - ipl->iplb_valid = true; - return 0; - } - return -1; + ipl->iplb = *iplb; + ipl->iplb_valid = true; } IplParameterBlock *s390_ipl_get_iplb(void) { - S390IPLState *ipl; + S390IPLState *ipl = get_ipl_device(); - ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL)); - if (!ipl || !ipl->iplb_valid) { + if (!ipl->iplb_valid) { return NULL; } return &ipl->iplb; @@ -277,9 +276,8 @@ IplParameterBlock *s390_ipl_get_iplb(void) void s390_reipl_request(void) { - S390IPLState *ipl; + S390IPLState *ipl = get_ipl_device(); - ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL)); ipl->reipl_requested = true; qemu_system_reset_request(); } diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h index 70497bc65f..6424e08db8 100644 --- a/hw/s390x/ipl.h +++ b/hw/s390x/ipl.h @@ -18,7 +18,7 @@ typedef struct IplParameterBlock { uint8_t reserved2[88]; } IplParameterBlock; -int s390_ipl_update_diag308(IplParameterBlock *iplb); +void s390_ipl_update_diag308(IplParameterBlock *iplb); IplParameterBlock *s390_ipl_get_iplb(void); void s390_reipl_request(void); diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c index 3a19e321c8..ddf2498a35 100644 --- a/target-s390x/misc_helper.c +++ b/target-s390x/misc_helper.c @@ -233,11 +233,8 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3) } iplb = g_malloc0(sizeof(struct IplParameterBlock)); cpu_physical_memory_read(addr, iplb, sizeof(struct IplParameterBlock)); - if (!s390_ipl_update_diag308(iplb)) { - env->regs[r1 + 1] = DIAG_308_RC_OK; - } else { - env->regs[r1 + 1] = DIAG_308_RC_INVALID; - } + s390_ipl_update_diag308(iplb); + env->regs[r1 + 1] = DIAG_308_RC_OK; g_free(iplb); return; case 6: |