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-rw-r--r--target-ppc/cpu.h10
-rw-r--r--target-ppc/helper.h1
-rw-r--r--target-ppc/misc_helper.c12
-rw-r--r--target-ppc/translate_init.c88
4 files changed, 111 insertions, 0 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index d19e284061..a85916ef47 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -427,6 +427,9 @@ struct ppc_slb_t {
#define MSR_TAG 62 /* Tag-active mode (POWERx ?) */
#define MSR_ISF 61 /* Sixty-four-bit interrupt mode on 630 */
#define MSR_SHV 60 /* hypervisor state hflags */
+#define MSR_TS0 34 /* Transactional state, 2 bits (Book3s) */
+#define MSR_TS1 33
+#define MSR_TM 32 /* Transactional Memory Available (Book3s) */
#define MSR_CM 31 /* Computation mode for BookE hflags */
#define MSR_ICM 30 /* Interrupt computation mode for BookE */
#define MSR_THV 29 /* hypervisor state for 32 bits PowerPC hflags */
@@ -503,6 +506,9 @@ struct ppc_slb_t {
#define msr_pmm ((env->msr >> MSR_PMM) & 1)
#define msr_ri ((env->msr >> MSR_RI) & 1)
#define msr_le ((env->msr >> MSR_LE) & 1)
+#define msr_ts ((env->msr >> MSR_TS1) & 3)
+#define msr_tm ((env->msr >> MSR_TM) & 1)
+
/* Hypervisor bit is more specific */
#if defined(TARGET_PPC64)
#define MSR_HVB (1ULL << MSR_SHV)
@@ -1271,6 +1277,10 @@ static inline int cpu_mmu_index (CPUPPCState *env)
#define SPR_MPC_EIE (0x050)
#define SPR_MPC_EID (0x051)
#define SPR_MPC_NRI (0x052)
+#define SPR_TFHAR (0x080)
+#define SPR_TFIAR (0x081)
+#define SPR_TEXASR (0x082)
+#define SPR_TEXASRU (0x083)
#define SPR_UCTRL (0x088)
#define SPR_MPC_CMPA (0x090)
#define SPR_MPC_CMPB (0x091)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index c1417ea75d..509eae52ff 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -578,6 +578,7 @@ DEF_HELPER_3(store_dcr, void, env, tl, tl)
DEF_HELPER_2(load_dump_spr, void, env, i32)
DEF_HELPER_2(store_dump_spr, void, env, i32)
DEF_HELPER_4(fscr_facility_check, void, env, i32, i32, i32)
+DEF_HELPER_4(msr_facility_check, void, env, i32, i32, i32)
DEF_HELPER_1(load_tbl, tl, env)
DEF_HELPER_1(load_tbu, tl, env)
DEF_HELPER_1(load_atbl, tl, env)
diff --git a/target-ppc/misc_helper.c b/target-ppc/misc_helper.c
index 554831faca..a577b3afd1 100644
--- a/target-ppc/misc_helper.c
+++ b/target-ppc/misc_helper.c
@@ -61,6 +61,18 @@ void helper_fscr_facility_check(CPUPPCState *env, uint32_t bit,
#endif
}
+void helper_msr_facility_check(CPUPPCState *env, uint32_t bit,
+ uint32_t sprn, uint32_t cause)
+{
+#ifdef TARGET_PPC64
+ if (env->msr & (1ULL << bit)) {
+ /* Facility is enabled, continue */
+ return;
+ }
+ raise_fu_exception(env, bit, sprn, cause);
+#endif
+}
+
#if !defined(CONFIG_USER_ONLY)
void helper_store_sdr1(CPUPPCState *env, target_ulong val)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 548b582542..d31ecc6486 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -7297,6 +7297,45 @@ static void gen_fscr_facility_check(void *opaque, int facility_sprn, int bit,
tcg_temp_free_i32(t1);
}
+static void gen_msr_facility_check(void *opaque, int facility_sprn, int bit,
+ int sprn, int cause)
+{
+ TCGv_i32 t1 = tcg_const_i32(bit);
+ TCGv_i32 t2 = tcg_const_i32(sprn);
+ TCGv_i32 t3 = tcg_const_i32(cause);
+
+ gen_update_current_nip(opaque);
+ gen_helper_msr_facility_check(cpu_env, t1, t2, t3);
+
+ tcg_temp_free_i32(t3);
+ tcg_temp_free_i32(t2);
+ tcg_temp_free_i32(t1);
+}
+
+static void spr_read_prev_upper32(void *opaque, int gprn, int sprn)
+{
+ TCGv spr_up = tcg_temp_new();
+ TCGv spr = tcg_temp_new();
+
+ gen_load_spr(spr, sprn - 1);
+ tcg_gen_shri_tl(spr_up, spr, 32);
+ tcg_gen_ext32u_tl(cpu_gpr[gprn], spr_up);
+
+ tcg_temp_free(spr);
+ tcg_temp_free(spr_up);
+}
+
+static void spr_write_prev_upper32(void *opaque, int sprn, int gprn)
+{
+ TCGv spr = tcg_temp_new();
+
+ gen_load_spr(spr, sprn - 1);
+ tcg_gen_deposit_tl(spr, spr, cpu_gpr[gprn], 32, 32);
+ gen_store_spr(sprn - 1, spr);
+
+ tcg_temp_free(spr);
+}
+
static int check_pow_970 (CPUPPCState *env)
{
if (env->spr[SPR_HID0] & (HID0_DEEPNAP | HID0_DOZE | HID0_NAP)) {
@@ -7634,6 +7673,50 @@ static void gen_spr_power8_tce_address_control(CPUPPCState *env)
0x00000000);
}
+static void spr_read_tm(void *opaque, int gprn, int sprn)
+{
+ gen_msr_facility_check(opaque, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
+ spr_read_generic(opaque, gprn, sprn);
+}
+
+static void spr_write_tm(void *opaque, int sprn, int gprn)
+{
+ gen_msr_facility_check(opaque, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
+ spr_write_generic(opaque, sprn, gprn);
+}
+
+static void spr_read_tm_upper32(void *opaque, int gprn, int sprn)
+{
+ gen_msr_facility_check(opaque, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
+ spr_read_prev_upper32(opaque, gprn, sprn);
+}
+
+static void spr_write_tm_upper32(void *opaque, int sprn, int gprn)
+{
+ gen_msr_facility_check(opaque, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
+ spr_write_prev_upper32(opaque, sprn, gprn);
+}
+
+static void gen_spr_power8_tm(CPUPPCState *env)
+{
+ spr_register_kvm(env, SPR_TFHAR, "TFHAR",
+ &spr_read_tm, &spr_write_tm,
+ &spr_read_tm, &spr_write_tm,
+ KVM_REG_PPC_TFHAR, 0x00000000);
+ spr_register_kvm(env, SPR_TFIAR, "TFIAR",
+ &spr_read_tm, &spr_write_tm,
+ &spr_read_tm, &spr_write_tm,
+ KVM_REG_PPC_TFIAR, 0x00000000);
+ spr_register_kvm(env, SPR_TEXASR, "TEXASR",
+ &spr_read_tm, &spr_write_tm,
+ &spr_read_tm, &spr_write_tm,
+ KVM_REG_PPC_TEXASR, 0x00000000);
+ spr_register(env, SPR_TEXASRU, "TEXASRU",
+ &spr_read_tm_upper32, &spr_write_tm_upper32,
+ &spr_read_tm_upper32, &spr_write_tm_upper32,
+ 0x00000000);
+}
+
static void gen_spr_power8_fscr(CPUPPCState *env)
{
#if defined(CONFIG_USER_ONLY)
@@ -7695,6 +7778,7 @@ static void init_proc_book3s_64(CPUPPCState *env, int version)
gen_spr_power8_fscr(env);
gen_spr_power8_pmu_sup(env);
gen_spr_power8_pmu_user(env);
+ gen_spr_power8_tm(env);
}
#if !defined(CONFIG_USER_ONLY)
switch (version) {
@@ -8066,6 +8150,7 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data)
PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 |
PPC2_ISA205 | PPC2_ISA207S;
pcc->msr_mask = (1ull << MSR_SF) |
+ (1ull << MSR_TM) |
(1ull << MSR_VR) |
(1ull << MSR_VSX) |
(1ull << MSR_EE) |
@@ -9378,6 +9463,9 @@ static void ppc_cpu_reset(CPUState *s)
msr |= (target_ulong)1 << MSR_VSX; /* Allow VSX usage */
msr |= (target_ulong)1 << MSR_SPE; /* Allow SPE usage */
msr |= (target_ulong)1 << MSR_PR;
+#if defined(TARGET_PPC64)
+ msr |= (target_ulong)1 << MSR_TM; /* Transactional memory */
+#endif
#if !defined(TARGET_WORDS_BIGENDIAN)
msr |= (target_ulong)1 << MSR_LE; /* Little-endian user mode */
#endif
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-19 01:12:41 +0000