aboutsummaryrefslogtreecommitdiff
path: root/target-s390x/helper.c
diff options
context:
space:
mode:
authorMarcelo Tosatti <mtosatti@redhat.com>2012-09-11 13:30:22 -0300
committerMarcelo Tosatti <mtosatti@redhat.com>2012-09-11 13:30:22 -0300
commit6b414d9fb86527118f3ddb81a1d1a684b3548a9d (patch)
tree21973df930ee1bff414b15a42088dd97e256543c /target-s390x/helper.c
parent4c3e02beed9878a5f760eeceb6cd42c475cf0127 (diff)
parent8ca9e258af2921d41214b0b644bdaeedab0f7f64 (diff)
Merge branch 'upstream-merge'
* upstream-merge: (88 commits) Add ability to force enable/disable of tools build Add ability to disable build of all targets RTC: Remove the current_tm field RTC: Get and set time without going through s->current_tm RTC: Do not fire timer periodically to catch next alarm RTC: Add divider reset support RTC: Update the RTC clock only when reading it vmstate: add VMSTATE_TIMER_V RTC: Update interrupt state when interrupts are masked/unmasked RTC: introduce RTC_CLOCK_RATE RTC: Rename rtc_timer_update RTC: Remove the logic to update time format when DM bit changed socket: don't attempt to reconnect a TCP socket in server mode use --libexecdir instead of ignoring it first and reinventing it later hw/mcf5206: Fix buffer overflow for MBAR read / write target-arm: Fix potential buffer overflow hw/wm8750: Fix potential buffer overflow kvm: i386: Add classic PCI device assignment kvm: i386: Add services required for PCI device assignment kvm: Introduce kvm_has_intx_set_mask ... Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'target-s390x/helper.c')
-rw-r--r--target-s390x/helper.c102
1 files changed, 52 insertions, 50 deletions
diff --git a/target-s390x/helper.c b/target-s390x/helper.c
index d0a1180a8..a5741ecde 100644
--- a/target-s390x/helper.c
+++ b/target-s390x/helper.c
@@ -74,7 +74,7 @@ S390CPU *cpu_s390x_init(const char *cpu_model)
{
S390CPU *cpu;
CPUS390XState *env;
- static int inited = 0;
+ static int inited;
cpu = S390_CPU(object_new(TYPE_S390_CPU));
env = &cpu->env;
@@ -91,25 +91,27 @@ S390CPU *cpu_s390x_init(const char *cpu_model)
#if defined(CONFIG_USER_ONLY)
-void do_interrupt (CPUS390XState *env)
+void do_interrupt(CPUS390XState *env)
{
env->exception_index = -1;
}
-int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong address, int rw,
- int mmu_idx)
+int cpu_s390x_handle_mmu_fault(CPUS390XState *env, target_ulong address,
+ int rw, int mmu_idx)
{
- /* fprintf(stderr,"%s: address 0x%lx rw %d mmu_idx %d\n",
- __FUNCTION__, address, rw, mmu_idx); */
+ /* fprintf(stderr, "%s: address 0x%lx rw %d mmu_idx %d\n",
+ __func__, address, rw, mmu_idx); */
env->exception_index = EXCP_ADDR;
- env->__excp_addr = address; /* FIXME: find out how this works on a real machine */
+ /* FIXME: find out how this works on a real machine */
+ env->__excp_addr = address;
return 1;
}
#else /* !CONFIG_USER_ONLY */
/* Ensure to exit the TB after this call! */
-static void trigger_pgm_exception(CPUS390XState *env, uint32_t code, uint32_t ilc)
+static void trigger_pgm_exception(CPUS390XState *env, uint32_t code,
+ uint32_t ilc)
{
env->exception_index = EXCP_PGM;
env->int_pgm_code = code;
@@ -138,19 +140,20 @@ static int trans_bits(CPUS390XState *env, uint64_t mode)
return bits;
}
-static void trigger_prot_fault(CPUS390XState *env, target_ulong vaddr, uint64_t mode)
+static void trigger_prot_fault(CPUS390XState *env, target_ulong vaddr,
+ uint64_t mode)
{
int ilc = ILC_LATER_INC_2;
int bits = trans_bits(env, mode) | 4;
- DPRINTF("%s: vaddr=%016" PRIx64 " bits=%d\n", __FUNCTION__, vaddr, bits);
+ DPRINTF("%s: vaddr=%016" PRIx64 " bits=%d\n", __func__, vaddr, bits);
stq_phys(env->psa + offsetof(LowCore, trans_exc_code), vaddr | bits);
trigger_pgm_exception(env, PGM_PROTECTION, ilc);
}
-static void trigger_page_fault(CPUS390XState *env, target_ulong vaddr, uint32_t type,
- uint64_t asc, int rw)
+static void trigger_page_fault(CPUS390XState *env, target_ulong vaddr,
+ uint32_t type, uint64_t asc, int rw)
{
int ilc = ILC_LATER;
int bits = trans_bits(env, asc);
@@ -160,26 +163,26 @@ static void trigger_page_fault(CPUS390XState *env, target_ulong vaddr, uint32_t
ilc = 2;
}
- DPRINTF("%s: vaddr=%016" PRIx64 " bits=%d\n", __FUNCTION__, vaddr, bits);
+ DPRINTF("%s: vaddr=%016" PRIx64 " bits=%d\n", __func__, vaddr, bits);
stq_phys(env->psa + offsetof(LowCore, trans_exc_code), vaddr | bits);
trigger_pgm_exception(env, type, ilc);
}
-static int mmu_translate_asce(CPUS390XState *env, target_ulong vaddr, uint64_t asc,
- uint64_t asce, int level, target_ulong *raddr,
- int *flags, int rw)
+static int mmu_translate_asce(CPUS390XState *env, target_ulong vaddr,
+ uint64_t asc, uint64_t asce, int level,
+ target_ulong *raddr, int *flags, int rw)
{
uint64_t offs = 0;
uint64_t origin;
uint64_t new_asce;
- PTE_DPRINTF("%s: 0x%" PRIx64 "\n", __FUNCTION__, asce);
+ PTE_DPRINTF("%s: 0x%" PRIx64 "\n", __func__, asce);
if (((level != _ASCE_TYPE_SEGMENT) && (asce & _REGION_ENTRY_INV)) ||
((level == _ASCE_TYPE_SEGMENT) && (asce & _SEGMENT_ENTRY_INV))) {
/* XXX different regions have different faults */
- DPRINTF("%s: invalid region\n", __FUNCTION__);
+ DPRINTF("%s: invalid region\n", __func__);
trigger_page_fault(env, vaddr, PGM_SEGMENT_TRANS, asc, rw);
return -1;
}
@@ -222,7 +225,7 @@ static int mmu_translate_asce(CPUS390XState *env, target_ulong vaddr, uint64_t a
new_asce = ldq_phys(origin + offs);
PTE_DPRINTF("%s: 0x%" PRIx64 " + 0x%" PRIx64 " => 0x%016" PRIx64 "\n",
- __FUNCTION__, origin, offs, new_asce);
+ __func__, origin, offs, new_asce);
if (level != _ASCE_TYPE_SEGMENT) {
/* yet another region */
@@ -232,7 +235,7 @@ static int mmu_translate_asce(CPUS390XState *env, target_ulong vaddr, uint64_t a
/* PTE */
if (new_asce & _PAGE_INVALID) {
- DPRINTF("%s: PTE=0x%" PRIx64 " invalid\n", __FUNCTION__, new_asce);
+ DPRINTF("%s: PTE=0x%" PRIx64 " invalid\n", __func__, new_asce);
trigger_page_fault(env, vaddr, PGM_PAGE_TRANS, asc, rw);
return -1;
}
@@ -243,13 +246,14 @@ static int mmu_translate_asce(CPUS390XState *env, target_ulong vaddr, uint64_t a
*raddr = new_asce & _ASCE_ORIGIN;
- PTE_DPRINTF("%s: PTE=0x%" PRIx64 "\n", __FUNCTION__, new_asce);
+ PTE_DPRINTF("%s: PTE=0x%" PRIx64 "\n", __func__, new_asce);
return 0;
}
-static int mmu_translate_asc(CPUS390XState *env, target_ulong vaddr, uint64_t asc,
- target_ulong *raddr, int *flags, int rw)
+static int mmu_translate_asc(CPUS390XState *env, target_ulong vaddr,
+ uint64_t asc, target_ulong *raddr, int *flags,
+ int rw)
{
uint64_t asce = 0;
int level, new_level;
@@ -257,15 +261,15 @@ static int mmu_translate_asc(CPUS390XState *env, target_ulong vaddr, uint64_t as
switch (asc) {
case PSW_ASC_PRIMARY:
- PTE_DPRINTF("%s: asc=primary\n", __FUNCTION__);
+ PTE_DPRINTF("%s: asc=primary\n", __func__);
asce = env->cregs[1];
break;
case PSW_ASC_SECONDARY:
- PTE_DPRINTF("%s: asc=secondary\n", __FUNCTION__);
+ PTE_DPRINTF("%s: asc=secondary\n", __func__);
asce = env->cregs[7];
break;
case PSW_ASC_HOME:
- PTE_DPRINTF("%s: asc=home\n", __FUNCTION__);
+ PTE_DPRINTF("%s: asc=home\n", __func__);
asce = env->cregs[13];
break;
}
@@ -276,8 +280,7 @@ static int mmu_translate_asc(CPUS390XState *env, target_ulong vaddr, uint64_t as
case _ASCE_TYPE_REGION2:
if (vaddr & 0xffe0000000000000ULL) {
DPRINTF("%s: vaddr doesn't fit 0x%16" PRIx64
- " 0xffe0000000000000ULL\n", __FUNCTION__,
- vaddr);
+ " 0xffe0000000000000ULL\n", __func__, vaddr);
trigger_page_fault(env, vaddr, PGM_TRANS_SPEC, asc, rw);
return -1;
}
@@ -285,8 +288,7 @@ static int mmu_translate_asc(CPUS390XState *env, target_ulong vaddr, uint64_t as
case _ASCE_TYPE_REGION3:
if (vaddr & 0xfffffc0000000000ULL) {
DPRINTF("%s: vaddr doesn't fit 0x%16" PRIx64
- " 0xfffffc0000000000ULL\n", __FUNCTION__,
- vaddr);
+ " 0xfffffc0000000000ULL\n", __func__, vaddr);
trigger_page_fault(env, vaddr, PGM_TRANS_SPEC, asc, rw);
return -1;
}
@@ -294,8 +296,7 @@ static int mmu_translate_asc(CPUS390XState *env, target_ulong vaddr, uint64_t as
case _ASCE_TYPE_SEGMENT:
if (vaddr & 0xffffffff80000000ULL) {
DPRINTF("%s: vaddr doesn't fit 0x%16" PRIx64
- " 0xffffffff80000000ULL\n", __FUNCTION__,
- vaddr);
+ " 0xffffffff80000000ULL\n", __func__, vaddr);
trigger_page_fault(env, vaddr, PGM_TRANS_SPEC, asc, rw);
return -1;
}
@@ -358,7 +359,7 @@ int mmu_translate(CPUS390XState *env, target_ulong vaddr, int rw, uint64_t asc,
break;
}
-out:
+ out:
/* Convert real address -> absolute address */
if (*raddr < 0x2000) {
*raddr = *raddr + env->psa;
@@ -378,18 +379,18 @@ out:
return r;
}
-int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong _vaddr, int rw,
- int mmu_idx)
+int cpu_s390x_handle_mmu_fault(CPUS390XState *env, target_ulong orig_vaddr,
+ int rw, int mmu_idx)
{
uint64_t asc = env->psw.mask & PSW_MASK_ASC;
target_ulong vaddr, raddr;
int prot;
DPRINTF("%s: address 0x%" PRIx64 " rw %d mmu_idx %d\n",
- __FUNCTION__, _vaddr, rw, mmu_idx);
+ __func__, _vaddr, rw, mmu_idx);
- _vaddr &= TARGET_PAGE_MASK;
- vaddr = _vaddr;
+ orig_vaddr &= TARGET_PAGE_MASK;
+ vaddr = orig_vaddr;
/* 31-Bit mode */
if (!(env->psw.mask & PSW_MASK_64)) {
@@ -403,22 +404,23 @@ int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong _vaddr, int rw,
/* check out of RAM access */
if (raddr > (ram_size + virtio_size)) {
- DPRINTF("%s: aaddr %" PRIx64 " > ram_size %" PRIx64 "\n", __FUNCTION__,
+ DPRINTF("%s: aaddr %" PRIx64 " > ram_size %" PRIx64 "\n", __func__,
(uint64_t)aaddr, (uint64_t)ram_size);
trigger_pgm_exception(env, PGM_ADDRESSING, ILC_LATER);
return 1;
}
- DPRINTF("%s: set tlb %" PRIx64 " -> %" PRIx64 " (%x)\n", __FUNCTION__,
+ DPRINTF("%s: set tlb %" PRIx64 " -> %" PRIx64 " (%x)\n", __func__,
(uint64_t)vaddr, (uint64_t)raddr, prot);
- tlb_set_page(env, _vaddr, raddr, prot,
+ tlb_set_page(env, orig_vaddr, raddr, prot,
mmu_idx, TARGET_PAGE_SIZE);
return 0;
}
-target_phys_addr_t cpu_get_phys_page_debug(CPUS390XState *env, target_ulong vaddr)
+target_phys_addr_t cpu_get_phys_page_debug(CPUS390XState *env,
+ target_ulong vaddr)
{
target_ulong raddr;
int prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
@@ -497,19 +499,19 @@ static void do_program_interrupt(CPUS390XState *env)
switch (ilc) {
case ILC_LATER:
- ilc = get_ilc(ldub_code(env->psw.addr));
+ ilc = get_ilc(cpu_ldub_code(env, env->psw.addr));
break;
case ILC_LATER_INC:
- ilc = get_ilc(ldub_code(env->psw.addr));
+ ilc = get_ilc(cpu_ldub_code(env, env->psw.addr));
env->psw.addr += ilc * 2;
break;
case ILC_LATER_INC_2:
- ilc = get_ilc(ldub_code(env->psw.addr)) * 2;
+ ilc = get_ilc(cpu_ldub_code(env, env->psw.addr)) * 2;
env->psw.addr += ilc;
break;
}
- qemu_log("%s: code=0x%x ilc=%d\n", __FUNCTION__, env->int_pgm_code, ilc);
+ qemu_log("%s: code=0x%x ilc=%d\n", __func__, env->int_pgm_code, ilc);
lowcore = cpu_physical_memory_map(env->psa, &len, 1);
@@ -522,7 +524,7 @@ static void do_program_interrupt(CPUS390XState *env)
cpu_physical_memory_unmap(lowcore, len, 1, len);
- DPRINTF("%s: %x %x %" PRIx64 " %" PRIx64 "\n", __FUNCTION__,
+ DPRINTF("%s: %x %x %" PRIx64 " %" PRIx64 "\n", __func__,
env->int_pgm_code, ilc, env->psw.mask,
env->psw.addr);
@@ -565,15 +567,15 @@ static void do_ext_interrupt(CPUS390XState *env)
env->pending_int &= ~INTERRUPT_EXT;
}
- DPRINTF("%s: %" PRIx64 " %" PRIx64 "\n", __FUNCTION__,
+ DPRINTF("%s: %" PRIx64 " %" PRIx64 "\n", __func__,
env->psw.mask, env->psw.addr);
load_psw(env, mask, addr);
}
-void do_interrupt (CPUS390XState *env)
+void do_interrupt(CPUS390XState *env)
{
- qemu_log("%s: %d at pc=%" PRIx64 "\n", __FUNCTION__, env->exception_index,
+ qemu_log("%s: %d at pc=%" PRIx64 "\n", __func__, env->exception_index,
env->psw.addr);
s390_add_running_cpu(env);