Merge remote-tracking branch 'remotes/rth/tags/pull-hppa-20190212' into staging

Convert to decodetree.
Fix signed overflow conditions.
Fix dcor.
Add CPU MIE to PCI address space.

# gpg: Signature made Tue 12 Feb 2019 21:26:07 GMT
# gpg:                using RSA key 64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-hppa-20190212: (24 commits)
  hw/hppa: forward requests to CPU HPA
  target/hppa: fix dcor instruction
  target/hppa: Fix addition '</<=' conditions
  target/hppa: Rearrange log conditions
  target/hppa: move GETPC to HELPER() functions
  target/hppa: Merge translate_one into hppa_tr_translate_insn
  target/hppa: Convert fp operate insns
  target/hppa: Convert fp fused multiply-add insns
  target/hppa: Convert halt/reset insns
  target/hppa: Convert fp indexed memory insns
  target/hppa: Convert offset memory insns
  target/hppa: Convert arithmetic immediate insns
  target/hppa: Convert direct and indirect branches
  target/hppa: Convert shift, extract, deposit insns
  target/hppa: Convert conditional branches
  target/hppa: Convert fp multiply-add
  target/hppa: Convert indexed memory insns
  target/hppa: Convert arithmetic/logical insns
  target/hppa: Convert memory management insns
  target/hppa: Unify specializations of OR
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/hppa/dino.c

@@ -105,6 +105,7 @@ typedef struct DinoState {
     MemoryRegion bm;
     MemoryRegion bm_ram_alias;
     MemoryRegion bm_pci_alias;
+    MemoryRegion bm_cpu_alias;
 
     MemoryRegion cpu0_eir_mem;
 } DinoState;
@@ -473,12 +474,17 @@ PCIBus *dino_init(MemoryRegion *addr_space,
     memory_region_init_alias(&s->bm_pci_alias, OBJECT(s),
                              "bm-pci", &s->pci_mem,
                              0xf0000000 + DINO_MEM_CHUNK_SIZE,
-                             31 * DINO_MEM_CHUNK_SIZE);
+                             30 * DINO_MEM_CHUNK_SIZE);
+    memory_region_init_alias(&s->bm_cpu_alias, OBJECT(s),
+                             "bm-cpu", addr_space, 0xfff00000,
+                             0xfffff);
     memory_region_add_subregion(&s->bm, 0,
                                 &s->bm_ram_alias);
     memory_region_add_subregion(&s->bm,
                                 0xf0000000 + DINO_MEM_CHUNK_SIZE,
                                 &s->bm_pci_alias);
+    memory_region_add_subregion(&s->bm, 0xfff00000,
+                                &s->bm_cpu_alias);
     address_space_init(&s->bm_as, &s->bm, "pci-bm");
     pci_setup_iommu(b, dino_pcihost_set_iommu, s);
 

target/hppa/Makefile.objs

@@ -1,3 +1,11 @@
 obj-y += translate.o helper.o cpu.o op_helper.o gdbstub.o mem_helper.o
 obj-y += int_helper.o
 obj-$(CONFIG_SOFTMMU) += machine.o
+
+DECODETREE = $(SRC_PATH)/scripts/decodetree.py
+
+target/hppa/decode.inc.c: $(SRC_PATH)/target/hppa/insns.decode $(DECODETREE)
+	$(call quiet-command,\
+	  $(PYTHON) $(DECODETREE) -o $@ $<, "GEN", $(TARGET_DIR)$@)
+
+target/hppa/translate.o: target/hppa/decode.inc.c

target/hppa/op_helper.c

@@ -81,10 +81,8 @@ static void atomic_store_3(CPUHPPAState *env, target_ulong addr, uint32_t val,
 }
 
 static void do_stby_b(CPUHPPAState *env, target_ulong addr, target_ureg val,
-                      bool parallel)
+                      bool parallel, uintptr_t ra)
 {
-    uintptr_t ra = GETPC();
-
     switch (addr & 3) {
     case 3:
         cpu_stb_data_ra(env, addr, val, ra);
@@ -109,20 +107,18 @@ static void do_stby_b(CPUHPPAState *env, target_ulong addr, target_ureg val,
 
 void HELPER(stby_b)(CPUHPPAState *env, target_ulong addr, target_ureg val)
 {
-    do_stby_b(env, addr, val, false);
+    do_stby_b(env, addr, val, false, GETPC());
 }
 
 void HELPER(stby_b_parallel)(CPUHPPAState *env, target_ulong addr,
                              target_ureg val)
 {
-    do_stby_b(env, addr, val, true);
+    do_stby_b(env, addr, val, true, GETPC());
 }
 
 static void do_stby_e(CPUHPPAState *env, target_ulong addr, target_ureg val,
-                      bool parallel)
+                      bool parallel, uintptr_t ra)
 {
-    uintptr_t ra = GETPC();
-
     switch (addr & 3) {
     case 3:
         /* The 3 byte store must appear atomic.  */
@@ -151,13 +147,13 @@ static void do_stby_e(CPUHPPAState *env, target_ulong addr, target_ureg val,
 
 void HELPER(stby_e)(CPUHPPAState *env, target_ulong addr, target_ureg val)
 {
-    do_stby_e(env, addr, val, false);
+    do_stby_e(env, addr, val, false, GETPC());
 }
 
 void HELPER(stby_e_parallel)(CPUHPPAState *env, target_ulong addr,
                              target_ureg val)
 {
-    do_stby_e(env, addr, val, true);
+    do_stby_e(env, addr, val, true, GETPC());
 }
 
 target_ureg HELPER(probe)(CPUHPPAState *env, target_ulong addr,