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authorArtyom Tarasenko2016-11-01 21:57:01 +0100
committerArtyom Tarasenko2017-01-18 22:03:44 +0100
commitc9b459aab8c5775a21dd913fc8820b736181e7be (patch)
tree41948f34dfda9cd68bfcff46c48319c87a6fe1d1 /target
parenttarget-sparc: ignore MMU-faults if MMU is disabled in hypervisor mode (diff)
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target-sparc: store cpu super- and hypervisor flags in TB
Suggested-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Diffstat (limited to 'target')
-rw-r--r--target/sparc/cpu.h17
-rw-r--r--target/sparc/translate.c24
2 files changed, 36 insertions, 5 deletions
diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h
index e815a1949b..1e65c94e2d 100644
--- a/target/sparc/cpu.h
+++ b/target/sparc/cpu.h
@@ -670,6 +670,11 @@ static inline int cpu_supervisor_mode(CPUSPARCState *env1)
{
return env1->pstate & PS_PRIV;
}
+#else
+static inline int cpu_supervisor_mode(CPUSPARCState *env1)
+{
+ return env1->psrs;
+}
#endif
static inline int cpu_mmu_index(CPUSPARCState *env, bool ifetch)
@@ -736,6 +741,8 @@ trap_state* cpu_tsptr(CPUSPARCState* env);
#define TB_FLAG_MMU_MASK 7
#define TB_FLAG_FPU_ENABLED (1 << 4)
#define TB_FLAG_AM_ENABLED (1 << 5)
+#define TB_FLAG_SUPER (1 << 6)
+#define TB_FLAG_HYPER (1 << 7)
#define TB_FLAG_ASI_SHIFT 24
static inline void cpu_get_tb_cpu_state(CPUSPARCState *env, target_ulong *pc,
@@ -745,7 +752,17 @@ static inline void cpu_get_tb_cpu_state(CPUSPARCState *env, target_ulong *pc,
*pc = env->pc;
*cs_base = env->npc;
flags = cpu_mmu_index(env, false);
+#ifndef CONFIG_USER_ONLY
+ if (cpu_supervisor_mode(env)) {
+ flags |= TB_FLAG_SUPER;
+ }
+#endif
#ifdef TARGET_SPARC64
+#ifndef CONFIG_USER_ONLY
+ if (cpu_hypervisor_mode(env)) {
+ flags |= TB_FLAG_HYPER;
+ }
+#endif
if (env->pstate & PS_AM) {
flags |= TB_FLAG_AM_ENABLED;
}
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index ead585eef5..729f4e27ee 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -72,9 +72,16 @@ typedef struct DisasContext {
target_ulong jump_pc[2]; /* used when JUMP_PC pc value is used */
int is_br;
int mem_idx;
- int fpu_enabled;
- int address_mask_32bit;
- int singlestep;
+ bool fpu_enabled;
+ bool address_mask_32bit;
+ bool singlestep;
+#ifndef CONFIG_USER_ONLY
+ bool supervisor;
+#ifdef TARGET_SPARC64
+ bool hypervisor;
+#endif
+#endif
+
uint32_t cc_op; /* current CC operation */
struct TranslationBlock *tb;
sparc_def_t *def;
@@ -283,10 +290,11 @@ static void gen_move_Q(DisasContext *dc, unsigned int rd, unsigned int rs)
#define hypervisor(dc) 0
#endif
#else
-#define supervisor(dc) (dc->mem_idx >= MMU_KERNEL_IDX)
#ifdef TARGET_SPARC64
-#define hypervisor(dc) (dc->mem_idx == MMU_HYPV_IDX)
+#define hypervisor(dc) (dc->hypervisor)
+#define supervisor(dc) (dc->supervisor | dc->hypervisor)
#else
+#define supervisor(dc) (dc->supervisor)
#endif
#endif
@@ -5710,9 +5718,15 @@ void gen_intermediate_code(CPUSPARCState * env, TranslationBlock * tb)
dc->fpu_enabled = tb_fpu_enabled(tb->flags);
dc->address_mask_32bit = tb_am_enabled(tb->flags);
dc->singlestep = (cs->singlestep_enabled || singlestep);
+#ifndef CONFIG_USER_ONLY
+ dc->supervisor = (tb->flags & TB_FLAG_SUPER) != 0;
+#endif
#ifdef TARGET_SPARC64
dc->fprs_dirty = 0;
dc->asi = (tb->flags >> TB_FLAG_ASI_SHIFT) & 0xff;
+#ifndef CONFIG_USER_ONLY
+ dc->hypervisor = (tb->flags & TB_FLAG_HYPER) != 0;
+#endif
#endif
num_insns = 0;