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authorStefan Hajnoczi <stefanha@redhat.com>2023-11-06 09:34:22 +0800
committerStefan Hajnoczi <stefanha@redhat.com>2023-11-06 09:34:22 +0800
commit3e01f1147a16ca566694b97eafc941d62fa1e8d8 (patch)
treee21f8aa9e70807d724b0c0fb0b811e69c6c21c2a /linux-user/sparc/cpu_loop.c
parentf3604191e296da90feb1b0bb24e986bc016809a8 (diff)
parent2c4f56c9aa7e1e8a34428c4efe17788be11fb73f (diff)
downloadfocaccia-qemu-3e01f1147a16ca566694b97eafc941d62fa1e8d8.tar.gz
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Merge tag 'pull-sp-20231105' of https://gitlab.com/rth7680/qemu into staging
target/sparc: Explicitly compute condition codes

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* tag 'pull-sp-20231105' of https://gitlab.com/rth7680/qemu: (21 commits)
  target/sparc: Check for invalid cond in gen_compare_reg
  target/sparc: Implement UDIV inline
  target/sparc: Implement UDIVX and SDIVX inline
  target/sparc: Discard cpu_cond at the end of each insn
  target/sparc: Record entire jump condition in DisasContext
  target/sparc: Merge gen_op_next_insn into only caller
  target/sparc: Pass displacement to advance_jump_cond
  target/sparc: Merge advance_jump_uncond_{never,always} into advance_jump_cond
  target/sparc: Merge gen_branch2 into advance_pc
  target/sparc: Do flush_cond in advance_jump_cond
  target/sparc: Always copy conditions into a new temporary
  target/sparc: Change DisasCompare.c2 to int
  target/sparc: Remove DisasCompare.is_bool
  target/sparc: Remove CC_OP leftovers
  target/sparc: Remove CC_OP_TADDTV, CC_OP_TSUBTV
  target/sparc: Remove CC_OP_SUB, CC_OP_SUBX, CC_OP_TSUB
  target/sparc: Remove CC_OP_ADD, CC_OP_ADDX, CC_OP_TADD
  target/sparc: Remove CC_OP_DIV
  target/sparc: Remove CC_OP_LOGIC
  target/sparc: Split psr and xcc into components
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'linux-user/sparc/cpu_loop.c')
-rw-r--r--linux-user/sparc/cpu_loop.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c
index b36bb2574b..3c1bde00dd 100644
--- a/linux-user/sparc/cpu_loop.c
+++ b/linux-user/sparc/cpu_loop.c
@@ -197,10 +197,8 @@ static uint32_t do_getpsr(CPUSPARCState *env)
 /* Avoid ifdefs below for the abi32 and abi64 paths. */
 #ifdef TARGET_ABI32
 #define TARGET_TT_SYSCALL  (TT_TRAP + 0x10) /* t_linux */
-#define syscall_cc         psr
 #else
 #define TARGET_TT_SYSCALL  (TT_TRAP + 0x6d) /* tl0_linux64 */
-#define syscall_cc         xcc
 #endif
 
 /* Avoid ifdefs below for the v9 and pre-v9 hw traps. */
@@ -224,11 +222,6 @@ void cpu_loop (CPUSPARCState *env)
         cpu_exec_end(cs);
         process_queued_cpu_work(cs);
 
-        /* Compute PSR before exposing state.  */
-        if (env->cc_op != CC_OP_FLAGS) {
-            cpu_get_psr(env);
-        }
-
         switch (trapnr) {
         case TARGET_TT_SYSCALL:
             ret = do_syscall (env, env->gregs[1],
@@ -240,10 +233,10 @@ void cpu_loop (CPUSPARCState *env)
                 break;
             }
             if ((abi_ulong)ret >= (abi_ulong)(-515)) {
-                env->syscall_cc |= PSR_CARRY;
+                set_syscall_C(env, 1);
                 ret = -ret;
             } else {
-                env->syscall_cc &= ~PSR_CARRY;
+                set_syscall_C(env, 0);
             }
             env->regwptr[0] = ret;
             /* next instruction */