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[Qemu-devel] [PATCH] Added more entries to the LEON processor configurat
From: |
Ronald Hecht |
Subject: |
[Qemu-devel] [PATCH] Added more entries to the LEON processor configuration register |
Date: |
Tue, 18 Sep 2012 15:29:03 +0200 |
Signed-off-by: Ronald Hecht <address@hidden>
---
target-sparc/helper.h | 1 +
target-sparc/ldst_helper.c | 6 ++++++
target-sparc/translate.c | 10 +++-------
3 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/target-sparc/helper.h b/target-sparc/helper.h
index 74ecad1..23a2ad4 100644
--- a/target-sparc/helper.h
+++ b/target-sparc/helper.h
@@ -5,6 +5,7 @@ DEF_HELPER_1(rett, void, env)
DEF_HELPER_2(wrpsr, void, env, tl)
DEF_HELPER_1(rdpsr, tl, env)
DEF_HELPER_1(power_down, void, env)
+DEF_HELPER_1(rdasr17, tl, env)
#else
DEF_HELPER_2(wrpil, void, env, tl)
DEF_HELPER_2(wrpstate, void, env, tl)
diff --git a/target-sparc/ldst_helper.c b/target-sparc/ldst_helper.c
index bb5016c..d620d8f 100644
--- a/target-sparc/ldst_helper.c
+++ b/target-sparc/ldst_helper.c
@@ -2326,6 +2326,12 @@ void helper_power_down(CPUSPARCState *env)
cpu_loop_exit(env);
}
+target_ulong helper_rdasr17(CPUSPARCState *env)
+{
+ /* CPU ID, Meiko FPU, SPARC V8, Number of register windows */
+ return env->cpu_index << 28 | (2 << 10) | (1 << 8) | (env->nwindows - 1);
+}
+
#if !defined(CONFIG_USER_ONLY)
#ifndef TARGET_SPARC64
void cpu_unassigned_access(CPUSPARCState *env, target_phys_addr_t addr,
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 9babaa8..c0f7887 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -2590,13 +2590,9 @@ static void disas_sparc_insn(DisasContext * dc, unsigned
int insn)
microSPARC II */
/* Read Asr17 */
if (rs1 == 0x11 && dc->def->features & CPU_FEATURE_ASR17) {
- TCGv r_const;
-
- /* Read Asr17 for a Leon3 monoprocessor */
- r_const = tcg_const_tl((1 << 8)
- | (dc->def->nwindows - 1));
- gen_movl_TN_reg(rd, r_const);
- tcg_temp_free(r_const);
+ /* Read Asr17 on LEON3 */
+ gen_helper_rdasr17(cpu_dst, cpu_env);
+ gen_movl_TN_reg(rd, cpu_dst);
break;
}
#endif
--
1.7.2.5
- [Qemu-devel] [PATCH] Added more entries to the LEON processor configuration register,
Ronald Hecht <=