Merge remote-tracking branch 'shorne/tags/pull-or-20170504' into staging

Openrisc Features and Fixes for qemu 2.10

# gpg: Signature made Thu 04 May 2017 01:41:45 AM BST
# gpg:                using RSA key 0xC3B31C2D5E6627E4
# gpg: Good signature from "Stafford Horne <shorne@gmail.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: D9C4 7354 AEF8 6C10 3A25  EFF1 C3B3 1C2D 5E66 27E4

* shorne/tags/pull-or-20170504:
  target/openrisc: Support non-busy idle state using PMR SPR
  target/openrisc: Remove duplicate features property
  target/openrisc: Implement full vmstate serialization
  migration: Add VMSTATE_STRUCT_2DARRAY()
  target/openrisc: implement shadow registers
  migration: Add VMSTATE_UINTTL_2DARRAY()
  target/openrisc: add numcores and coreid support
  target/openrisc: Fixes for memory debugging
  target/openrisc: Implement EPH bit
  target/openrisc: Implement EVBAR register
  MAINTAINERS: Add myself as openrisc maintainer

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

5 files changed, 23 insertions, 22 deletions

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index f520d77..ce77317 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1052,7 +1052,7 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs,
     int i;
 
     for (i = 0; i < 32; i++) {
-        (*regs)[i] = tswapreg(env->gpr[i]);
+        (*regs)[i] = tswapreg(cpu_get_gpr(env, i));
     }
     (*regs)[32] = tswapreg(env->pc);
     (*regs)[33] = tswapreg(cpu_get_sr(env));
diff --git a/linux-user/main.c b/linux-user/main.c
index 10a3bb3..79d621b 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -2590,17 +2590,17 @@ void cpu_loop(CPUOpenRISCState *env)
         case EXCP_SYSCALL:
             env->pc += 4;   /* 0xc00; */
             ret = do_syscall(env,
-                             env->gpr[11], /* return value       */
-                             env->gpr[3],  /* r3 - r7 are params */
-                             env->gpr[4],
-                             env->gpr[5],
-                             env->gpr[6],
-                             env->gpr[7],
-                             env->gpr[8], 0, 0);
+                             cpu_get_gpr(env, 11), /* return value       */
+                             cpu_get_gpr(env, 3),  /* r3 - r7 are params */
+                             cpu_get_gpr(env, 4),
+                             cpu_get_gpr(env, 5),
+                             cpu_get_gpr(env, 6),
+                             cpu_get_gpr(env, 7),
+                             cpu_get_gpr(env, 8), 0, 0);
             if (ret == -TARGET_ERESTARTSYS) {
                 env->pc -= 4;
             } else if (ret != -TARGET_QEMU_ESIGRETURN) {
-                env->gpr[11] = ret;
+                cpu_set_gpr(env, 11, ret);
             }
             break;
         case EXCP_DPF:
@@ -4765,7 +4765,7 @@ int main(int argc, char **argv, char **envp)
         int i;
 
         for (i = 0; i < 32; i++) {
-            env->gpr[i] = regs->gpr[i];
+            cpu_set_gpr(env, i, regs->gpr[i]);
         }
         env->pc = regs->pc;
         cpu_set_sr(env, regs->sr);
diff --git a/linux-user/openrisc/target_cpu.h b/linux-user/openrisc/target_cpu.h
index f283d96..606ad6f 100644
--- a/linux-user/openrisc/target_cpu.h
+++ b/linux-user/openrisc/target_cpu.h
@@ -23,14 +23,14 @@
 static inline void cpu_clone_regs(CPUOpenRISCState *env, target_ulong newsp)
 {
     if (newsp) {
-        env->gpr[1] = newsp;
+        cpu_set_gpr(env, 1, newsp);
     }
-    env->gpr[11] = 0;
+    cpu_set_gpr(env, 11, 0);
 }
 
 static inline void cpu_set_tls(CPUOpenRISCState *env, target_ulong newtls)
 {
-    env->gpr[10] = newtls;
+    cpu_set_gpr(env, 10, newtls);
 }
 
 #endif
diff --git a/linux-user/openrisc/target_signal.h b/linux-user/openrisc/target_signal.h
index 9f2c493..95a733e 100644
--- a/linux-user/openrisc/target_signal.h
+++ b/linux-user/openrisc/target_signal.h
@@ -20,7 +20,7 @@ typedef struct target_sigaltstack {
 
 static inline abi_ulong get_sp_from_cpustate(CPUOpenRISCState *state)
 {
-    return state->gpr[1];
+    return cpu_get_gpr(state, 1);
 }
 
 
diff --git a/linux-user/signal.c b/linux-user/signal.c
index a67db04..3d18d1b 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -4411,7 +4411,7 @@ static void setup_sigcontext(struct target_sigcontext *sc,
                              CPUOpenRISCState *regs,
                              unsigned long mask)
 {
-    unsigned long usp = regs->gpr[1];
+    unsigned long usp = cpu_get_gpr(regs, 1);
 
     /* copy the regs. they are first in sc so we can use sc directly */
 
@@ -4436,7 +4436,7 @@ static inline abi_ulong get_sigframe(struct target_sigaction *ka,
                                      CPUOpenRISCState *regs,
                                      size_t frame_size)
 {
-    unsigned long sp = regs->gpr[1];
+    unsigned long sp = cpu_get_gpr(regs, 1);
     int onsigstack = on_sig_stack(sp);
 
     /* redzone */
@@ -4489,7 +4489,8 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
     __put_user(0, &frame->uc.tuc_link);
     __put_user(target_sigaltstack_used.ss_sp,
                &frame->uc.tuc_stack.ss_sp);
-    __put_user(sas_ss_flags(env->gpr[1]), &frame->uc.tuc_stack.ss_flags);
+    __put_user(sas_ss_flags(cpu_get_gpr(env, 1)),
+               &frame->uc.tuc_stack.ss_flags);
     __put_user(target_sigaltstack_used.ss_size,
                &frame->uc.tuc_stack.ss_size);
     setup_sigcontext(&frame->sc, env, set->sig[0]);
@@ -4512,13 +4513,13 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
 
     /* Set up registers for signal handler */
     env->pc = (unsigned long)ka->_sa_handler; /* what we enter NOW */
-    env->gpr[9] = (unsigned long)return_ip;     /* what we enter LATER */
-    env->gpr[3] = (unsigned long)sig;           /* arg 1: signo */
-    env->gpr[4] = (unsigned long)&frame->info;  /* arg 2: (siginfo_t*) */
-    env->gpr[5] = (unsigned long)&frame->uc;    /* arg 3: ucontext */
+    cpu_set_gpr(env, 9, (unsigned long)return_ip);     /* what we enter LATER */
+    cpu_set_gpr(env, 3, (unsigned long)sig);           /* arg 1: signo */
+    cpu_set_gpr(env, 4, (unsigned long)&frame->info);  /* arg 2: (siginfo_t*) */
+    cpu_set_gpr(env, 5, (unsigned long)&frame->uc);    /* arg 3: ucontext */
 
     /* actually move the usp to reflect the stacked frame */
-    env->gpr[1] = (unsigned long)frame;
+    cpu_set_gpr(env, 1, (unsigned long)frame);
 
     return;