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From: Nikhil Kumar Singh <nikhilks@linux.ibm.com>
To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org
Cc: rathc@linux.ibm.com, shivangu@linux.ibm.com,
	Nikhil Kumar Singh <nikhilks@linux.ibm.com>
Subject: [RFC PATCH v2] target/ppc: Convert cache instructions to decodetree
Date: Tue, 30 Jun 2026 20:12:10 +0530	[thread overview]
Message-ID: <20260630144210.148159-1-nikhilks@linux.ibm.com> (raw)
In-Reply-To: <20260520160728.2283628-4-rathc@linux.ibm.com>

Convert cache management instructions to decodetree using the X-form
layout and dedicated translation functions.

Legacy GEN_HANDLER-based implementations are removed.

The implementation preserves legacy semantics, including:
  - MMU-visible accesses for instructions treated as loads
    (e.g. dcbt, dcbtst, dcbtep, dcbtstep)
  - Supervisor and BookE-specific constraints
  - Effective address computation via do_ea_calc()

Instructions that were defined as no-ops in the legacy implementation
remain no-ops here.

Testing:
  - Verified TCG equivalence for all cache operations

Signed-off-by: Nikhil Kumar Singh <nikhilks@linux.ibm.com>
Signed-off-by: Chinmay Rath <rathc@linux.ibm.com>
[cr: linux user build, flag check, helper function fixes]
---
 target/ppc/helper.h      |   8 +-
 target/ppc/insn32.decode |  25 ++
 target/ppc/mem_helper.c  |   8 +-
 target/ppc/translate.c   | 495 +++++++++++++++++++++------------------
 4 files changed, 299 insertions(+), 237 deletions(-)

diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index e99c8c824b..37803ebb17 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -48,12 +48,12 @@ DEF_HELPER_FLAGS_3(stmw, TCG_CALL_NO_WG, void, env, tl, i32)
 DEF_HELPER_4(lsw, void, env, tl, i32, i32)
 DEF_HELPER_5(lswx, void, env, tl, i32, i32, i32)
 DEF_HELPER_FLAGS_4(stsw, TCG_CALL_NO_WG, void, env, tl, i32, i32)
-DEF_HELPER_FLAGS_3(dcbz, TCG_CALL_NO_WG, void, env, tl, int)
+DEF_HELPER_FLAGS_3(DCBZ, TCG_CALL_NO_WG, void, env, tl, int)
 #ifdef TARGET_PPC64
-DEF_HELPER_FLAGS_2(dcbzl, TCG_CALL_NO_WG, void, env, tl)
+DEF_HELPER_FLAGS_2(DCBZL, TCG_CALL_NO_WG, void, env, tl)
 #endif
-DEF_HELPER_FLAGS_2(icbi, TCG_CALL_NO_WG, void, env, tl)
-DEF_HELPER_FLAGS_2(icbiep, TCG_CALL_NO_WG, void, env, tl)
+DEF_HELPER_FLAGS_2(ICBI, TCG_CALL_NO_WG, void, env, tl)
+DEF_HELPER_FLAGS_2(ICBIEP, TCG_CALL_NO_WG, void, env, tl)
 DEF_HELPER_5(lscbx, tl, env, tl, i32, i32, i32)
 
 #if defined(TARGET_PPC64)
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 26948e08a7..0fbabefba9 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -1306,6 +1306,31 @@ XVF64GERPN      111011 ... -- .... 0 ..... 10111010 ..-  @XX3_at xa=%xx_xa_pair
 XVF64GERNP      111011 ... -- .... 0 ..... 01111010 ..-  @XX3_at xa=%xx_xa_pair
 XVF64GERNN      111011 ... -- .... 0 ..... 11111010 ..-  @XX3_at xa=%xx_xa_pair
 
+## Cache Management Instructions
+DCBF            011111 ..... ..... ..... 0001010110 -   @X
+DCBFEP          011111 ..... ..... ..... 0001111111 -   @X
+DCBI            011111 ..... ..... ..... 0111010110 -   @X
+DCBST           011111 ..... ..... ..... 0000110110 -   @X
+DCBSTEP         011111 ..... ..... ..... 0000111111 -   @X
+DCBA            011111 ..... ..... ..... 1011110110 -   @X
+
+DCBT            011111 ..... ..... ..... 0100010110 -   @X
+DCBTEP          011111 ..... ..... ..... 0100111111 -   @X
+DCBTST          011111 ..... ..... ..... 0011110110 -   @X
+DCBTSTEP        011111 ..... ..... ..... 0011111111 -   @X
+
+DCBTLS          011111 ..... ..... ..... 0010100110 -   @X
+DCBLC           011111 ..... ..... ..... 0110000110 -   @X
+
+DCBZ            011111 ..... ..... ..... 1111110110 -   @X
+DCBZEP          011111 ..... ..... ..... 1111111111 -   @X
+ICBI            011111 ..... ..... ..... 1111010110 -   @X
+ICBIEP          011111 ..... ..... ..... 1111011111 -   @X
+
+DST             011111 ..... ..... ..... 0101010110 -   @X
+DSTST           011111 ..... ..... ..... 0101110110 -   @X
+DSS             011111 ..... ..... ..... 1100110110 -   @X
+
 ##Extend Sign Word and Shift Left Immediate XS-form
 EXTSWSLI         011111 ..... ..... ..... 110111101 . .         @XS
 
diff --git a/target/ppc/mem_helper.c b/target/ppc/mem_helper.c
index 119dc1df23..5d3d377261 100644
--- a/target/ppc/mem_helper.c
+++ b/target/ppc/mem_helper.c
@@ -319,13 +319,13 @@ static void dcbz_common(CPUPPCState *env, target_ulong addr,
     clear_helper_retaddr();
 }
 
-void helper_dcbz(CPUPPCState *env, target_ulong addr, int mmu_idx)
+void helper_DCBZ(CPUPPCState *env, target_ulong addr, int mmu_idx)
 {
     dcbz_common(env, addr, mmu_idx, env->dcache_line_size, GETPC());
 }
 
 #ifdef TARGET_PPC64
-void helper_dcbzl(CPUPPCState *env, target_ulong addr)
+void helper_DCBZL(CPUPPCState *env, target_ulong addr)
 {
     int dcbz_size = env->dcache_line_size;
 
@@ -341,7 +341,7 @@ void helper_dcbzl(CPUPPCState *env, target_ulong addr)
 }
 #endif
 
-void helper_icbi(CPUPPCState *env, target_ulong addr)
+void helper_ICBI(CPUPPCState *env, target_ulong addr)
 {
     unsigned mmu_idx = cpu_mmu_index(env_cpu(env), false);
     MemOpIdx oi = make_memop_idx(MO_UL | MO_UNALN, mmu_idx);
@@ -357,7 +357,7 @@ void helper_icbi(CPUPPCState *env, target_ulong addr)
     cpu_ldl_mmu(env, addr, oi, GETPC());
 }
 
-void helper_icbiep(CPUPPCState *env, target_ulong addr)
+void helper_ICBIEP(CPUPPCState *env, target_ulong addr)
 {
 #if !defined(CONFIG_USER_ONLY)
     MemOpIdx oi = make_memop_idx(MO_UL | MO_UNALN, PPC_TLB_EPID_LOAD);
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 3f009cd9ca..98712b343b 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -4296,216 +4296,6 @@ static void gen_setb(DisasContext *ctx)
 }
 #endif
 
-/***                         Cache management                              ***/
-
-/* dcbf */
-static void gen_dcbf(DisasContext *ctx)
-{
-    /* XXX: specification says this is treated as a load by the MMU */
-    TCGv t0;
-    gen_set_access_type(ctx, ACCESS_CACHE);
-    t0 = tcg_temp_new();
-    gen_addr_reg_index(ctx, t0);
-    gen_qemu_ld8u(ctx, t0, t0);
-}
-
-/* dcbfep (external PID dcbf) */
-static void gen_dcbfep(DisasContext *ctx)
-{
-    /* XXX: specification says this is treated as a load by the MMU */
-    TCGv t0;
-    CHK_SV(ctx);
-    gen_set_access_type(ctx, ACCESS_CACHE);
-    t0 = tcg_temp_new();
-    gen_addr_reg_index(ctx, t0);
-    tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
-}
-
-/* dcbi (Supervisor only) */
-static void gen_dcbi(DisasContext *ctx)
-{
-#if defined(CONFIG_USER_ONLY)
-    GEN_PRIV(ctx);
-#else
-    TCGv EA, val;
-
-    CHK_SV(ctx);
-    EA = tcg_temp_new();
-    gen_set_access_type(ctx, ACCESS_CACHE);
-    gen_addr_reg_index(ctx, EA);
-    val = tcg_temp_new();
-    /* XXX: specification says this should be treated as a store by the MMU */
-    gen_qemu_ld8u(ctx, val, EA);
-    gen_qemu_st8(ctx, val, EA);
-#endif /* defined(CONFIG_USER_ONLY) */
-}
-
-/* dcdst */
-static void gen_dcbst(DisasContext *ctx)
-{
-    /* XXX: specification say this is treated as a load by the MMU */
-    TCGv t0;
-    gen_set_access_type(ctx, ACCESS_CACHE);
-    t0 = tcg_temp_new();
-    gen_addr_reg_index(ctx, t0);
-    gen_qemu_ld8u(ctx, t0, t0);
-}
-
-/* dcbstep (dcbstep External PID version) */
-static void gen_dcbstep(DisasContext *ctx)
-{
-    /* XXX: specification say this is treated as a load by the MMU */
-    TCGv t0;
-    gen_set_access_type(ctx, ACCESS_CACHE);
-    t0 = tcg_temp_new();
-    gen_addr_reg_index(ctx, t0);
-    tcg_gen_qemu_ld_tl(t0, t0, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
-}
-
-/* dcbt */
-static void gen_dcbt(DisasContext *ctx)
-{
-    /*
-     * interpreted as no-op
-     * XXX: specification say this is treated as a load by the MMU but
-     *      does not generate any exception
-     */
-}
-
-/* dcbtep */
-static void gen_dcbtep(DisasContext *ctx)
-{
-    /*
-     * interpreted as no-op
-     * XXX: specification say this is treated as a load by the MMU but
-     *      does not generate any exception
-     */
-}
-
-/* dcbtst */
-static void gen_dcbtst(DisasContext *ctx)
-{
-    /*
-     * interpreted as no-op
-     * XXX: specification say this is treated as a load by the MMU but
-     *      does not generate any exception
-     */
-}
-
-/* dcbtstep */
-static void gen_dcbtstep(DisasContext *ctx)
-{
-    /*
-     * interpreted as no-op
-     * XXX: specification say this is treated as a load by the MMU but
-     *      does not generate any exception
-     */
-}
-
-/* dcbtls */
-static void gen_dcbtls(DisasContext *ctx)
-{
-    /* Always fails locking the cache */
-    TCGv t0 = tcg_temp_new();
-    gen_load_spr(t0, SPR_Exxx_L1CSR0);
-    tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
-    gen_store_spr(SPR_Exxx_L1CSR0, t0);
-}
-
-/* dcblc */
-static void gen_dcblc(DisasContext *ctx)
-{
-    /*
-     * interpreted as no-op
-     */
-}
-
-/* dcbz */
-static void gen_dcbz(DisasContext *ctx)
-{
-    TCGv tcgv_addr = tcg_temp_new();
-
-    gen_set_access_type(ctx, ACCESS_CACHE);
-    gen_addr_reg_index(ctx, tcgv_addr);
-
-#ifdef TARGET_PPC64
-    if (ctx->excp_model == POWERPC_EXCP_970 && !(ctx->opcode & 0x00200000)) {
-        gen_helper_dcbzl(tcg_env, tcgv_addr);
-        return;
-    }
-#endif
-
-    gen_helper_dcbz(tcg_env, tcgv_addr, tcg_constant_i32(ctx->mem_idx));
-}
-
-/* dcbzep */
-static void gen_dcbzep(DisasContext *ctx)
-{
-    TCGv tcgv_addr = tcg_temp_new();
-
-    gen_set_access_type(ctx, ACCESS_CACHE);
-    gen_addr_reg_index(ctx, tcgv_addr);
-    gen_helper_dcbz(tcg_env, tcgv_addr, tcg_constant_i32(PPC_TLB_EPID_STORE));
-}
-
-/* dst / dstt */
-static void gen_dst(DisasContext *ctx)
-{
-    if (rA(ctx->opcode) == 0) {
-        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
-    } else {
-        /* interpreted as no-op */
-    }
-}
-
-/* dstst /dststt */
-static void gen_dstst(DisasContext *ctx)
-{
-    if (rA(ctx->opcode) == 0) {
-        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
-    } else {
-        /* interpreted as no-op */
-    }
-
-}
-
-/* dss / dssall */
-static void gen_dss(DisasContext *ctx)
-{
-    /* interpreted as no-op */
-}
-
-/* icbi */
-static void gen_icbi(DisasContext *ctx)
-{
-    TCGv t0;
-    gen_set_access_type(ctx, ACCESS_CACHE);
-    t0 = tcg_temp_new();
-    gen_addr_reg_index(ctx, t0);
-    gen_helper_icbi(tcg_env, t0);
-}
-
-/* icbiep */
-static void gen_icbiep(DisasContext *ctx)
-{
-    TCGv t0;
-    gen_set_access_type(ctx, ACCESS_CACHE);
-    t0 = tcg_temp_new();
-    gen_addr_reg_index(ctx, t0);
-    gen_helper_icbiep(tcg_env, t0);
-}
-
-/* Optional: */
-/* dcba */
-static void gen_dcba(DisasContext *ctx)
-{
-    /*
-     * interpreted as no-op
-     * XXX: specification say this is treated as a store by the MMU
-     *      but does not generate any exception
-     */
-}
-
 /***                    Segment register manipulation                      ***/
 /* Supervisor only: */
 
@@ -5764,6 +5554,272 @@ static bool trans_LQARX(DisasContext *ctx, arg_LQARX *a)
     return true;
 }
 
+/*
+ * Cache Management Instructions (decodetree)
+ */
+
+static bool trans_DCBA(DisasContext *ctx, arg_X *a)
+{
+    REQUIRE_INSNS_FLAGS(ctx, CACHE_DCBA);
+    return true;
+}
+
+static bool trans_DCBT(DisasContext *ctx, arg_X *a)
+{
+    REQUIRE_INSNS_FLAGS(ctx, CACHE);
+    return true;
+}
+
+static bool trans_DCBTEP(DisasContext *ctx, arg_X *a)
+{
+    REQUIRE_INSNS_FLAGS2(ctx, BOOKE206);
+    return true;
+}
+
+static bool trans_DCBTST(DisasContext *ctx, arg_X *a)
+{
+    REQUIRE_INSNS_FLAGS(ctx, CACHE);
+    return true;
+}
+
+static bool trans_DCBTSTEP(DisasContext *ctx, arg_X *a)
+{
+    REQUIRE_INSNS_FLAGS2(ctx, BOOKE206);
+    return true;
+}
+
+static bool trans_DCBLC(DisasContext *ctx, arg_X *a)
+{
+    /* Requires either PPC_BOOKE or PPC2_BOOKE206 */
+    if (!(ctx->insns_flags & PPC_BOOKE) &&
+        !(ctx->insns_flags2 & PPC2_BOOKE206)) {
+        return false;
+    }
+    return true;
+}
+
+static bool trans_DSS(DisasContext *ctx, arg_X *a)
+{
+    REQUIRE_INSNS_FLAGS(ctx, ALTIVEC);
+    return true;
+}
+
+static bool trans_DCBTLS(DisasContext *ctx, arg_X *a)
+{
+    TCGv t0 = tcg_temp_new();
+
+    /* Requires either PPC_BOOKE or PPC2_BOOKE206 */
+    if (!(ctx->insns_flags & PPC_BOOKE) &&
+        !(ctx->insns_flags2 & PPC2_BOOKE206)) {
+        return false;
+    }
+
+    gen_load_spr(t0, SPR_Exxx_L1CSR0);
+    tcg_gen_ori_tl(t0, t0, L1CSR0_CUL);
+    gen_store_spr(SPR_Exxx_L1CSR0, t0);
+
+    return true;
+}
+
+static bool trans_DST(DisasContext *ctx, arg_X *a)
+{
+    REQUIRE_INSNS_FLAGS(ctx, ALTIVEC);
+
+    if (a->ra == 0) {
+        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
+    }
+
+    return true;
+}
+
+static bool trans_DSTST(DisasContext *ctx, arg_X *a)
+{
+    REQUIRE_INSNS_FLAGS(ctx, ALTIVEC);
+
+    if (a->ra == 0) {
+        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
+    }
+
+    return true;
+}
+
+static bool trans_DCBF(DisasContext *ctx, arg_X *a)
+{
+    TCGv EA;
+
+    REQUIRE_INSNS_FLAGS(ctx, CACHE);
+
+    /*
+     * As per PowerISA v3.1, the L field (mapped to a->rt in X-form)
+     * can have values 0, 1, 3, 4, or 6. Other values are Undefined Behavior (UB).
+     */
+    switch (a->rt) {
+    case 0: /* dcbf */
+    case 1: /* dcbfl */
+    case 3: /* dcbflp */
+    case 4: /* dcbfps */
+    case 6: /* dcbstps */
+        break;
+    default:
+        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
+        return true;
+    }
+
+    gen_set_access_type(ctx, ACCESS_CACHE);
+    EA = do_ea_calc(ctx, a->ra, cpu_gpr[a->rb]);
+    gen_qemu_ld8u(ctx, EA, EA);
+
+    return true;
+}
+
+static bool trans_DCBST(DisasContext *ctx, arg_X *a)
+{
+
+    if (a->rt != 0) {
+        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
+        return true;
+    }
+
+    /* Flags check overlaps with trans_DCBF */
+    return trans_DCBF(ctx, a);
+}
+
+static bool trans_DCBFEP(DisasContext *ctx, arg_X *a)
+{
+    TCGv EA;
+
+    REQUIRE_INSNS_FLAGS2(ctx, BOOKE206);
+
+    /* Per ISA: RT must be zero for cache management instructions */
+    if (a->rt != 0) {
+        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
+        return true;
+    }
+
+    REQUIRE_SV(ctx);
+
+    gen_set_access_type(ctx, ACCESS_CACHE);
+    EA = do_ea_calc(ctx, a->ra, cpu_gpr[a->rb]);
+
+    tcg_gen_qemu_ld_tl(EA, EA, PPC_TLB_EPID_LOAD, DEF_MEMOP(MO_UB));
+
+    return true;
+}
+
+static bool trans_DCBSTEP(DisasContext *ctx, arg_X *a)
+{
+    /* Flags check overlaps with trans_DCBFEP */
+    return trans_DCBFEP(ctx, a);
+}
+
+static bool trans_DCBI(DisasContext *ctx, arg_X *a)
+{
+#if defined(CONFIG_USER_ONLY)
+    gen_priv_opc(ctx);
+    return true;
+#else
+    TCGv EA, val;
+    REQUIRE_INSNS_FLAGS(ctx, CACHE);
+
+    if (a->rt != 0) {
+        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
+        return true;
+    }
+
+    REQUIRE_SV(ctx);
+    gen_set_access_type(ctx, ACCESS_CACHE);
+    EA = do_ea_calc(ctx, a->ra, cpu_gpr[a->rb]);
+    val = tcg_temp_new();
+
+    gen_qemu_ld8u(ctx, val, EA);
+    gen_qemu_st8(ctx, val, EA);
+
+    return true;
+#endif
+}
+
+static bool trans_ICBI(DisasContext *ctx, arg_X *a)
+{
+    TCGv EA;
+
+    REQUIRE_INSNS_FLAGS(ctx, CACHE_ICBI);
+
+    if (a->rt != 0) {
+        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
+        return true;
+    }
+
+
+    gen_set_access_type(ctx, ACCESS_CACHE);
+
+    EA = do_ea_calc(ctx, a->ra, cpu_gpr[a->rb]);
+    gen_helper_ICBI(tcg_env, EA);
+
+    return true;
+}
+
+static bool trans_ICBIEP(DisasContext *ctx, arg_X *a)
+{
+    TCGv EA;
+
+    REQUIRE_INSNS_FLAGS2(ctx, BOOKE206);
+    REQUIRE_SV(ctx);
+
+    gen_set_access_type(ctx, ACCESS_CACHE);
+    EA = do_ea_calc(ctx, a->ra, cpu_gpr[a->rb]);
+
+    gen_helper_ICBIEP(tcg_env, EA);
+    return true;
+}
+
+static bool trans_DCBZ(DisasContext *ctx, arg_X *a)
+{
+    TCGv EA;
+
+    REQUIRE_INSNS_FLAGS(ctx, CACHE_DCBZ);
+
+    if (a->rt != 0) {
+        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
+        return true;
+    }
+
+
+    gen_set_access_type(ctx, ACCESS_CACHE);
+
+    EA = do_ea_calc(ctx, a->ra, cpu_gpr[a->rb]);
+
+#if defined(TARGET_PPC64)
+    if (ctx->excp_model == POWERPC_EXCP_970 &&
+        !(ctx->opcode & 0x00200000)) {
+        gen_helper_DCBZL(tcg_env, EA);
+        return true;
+    }
+#endif
+
+    gen_helper_DCBZ(tcg_env, EA, tcg_constant_i32(ctx->mem_idx));
+    return true;
+}
+
+static bool trans_DCBZEP(DisasContext *ctx, arg_X *a)
+{
+    TCGv EA;
+
+    REQUIRE_INSNS_FLAGS2(ctx, BOOKE206);
+
+    if (a->rt != 0) {
+        gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
+        return true;
+    }
+
+    REQUIRE_SV(ctx);
+
+    gen_set_access_type(ctx, ACCESS_CACHE);
+    EA = do_ea_calc(ctx, a->ra, cpu_gpr[a->rb]);
+
+    gen_helper_DCBZ(tcg_env, EA, tcg_constant_i32(PPC_TLB_EPID_STORE));
+    return true;
+}
+
 #include "translate/fixedpoint-impl.c.inc"
 
 #include "translate/fp-impl.c.inc"
@@ -5928,25 +5984,6 @@ GEN_HANDLER_E(mcrxrx, 0x1F, 0x00, 0x12, 0x007FF801, PPC_NONE, PPC2_ISA300),
 #endif
 GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC),
 GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC),
-GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE),
-GEN_HANDLER_E(dcbfep, 0x1F, 0x1F, 0x03, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
-GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE),
-GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE),
-GEN_HANDLER_E(dcbstep, 0x1F, 0x1F, 0x01, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
-GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE),
-GEN_HANDLER_E(dcbtep, 0x1F, 0x1F, 0x09, 0x00000001, PPC_NONE, PPC2_BOOKE206),
-GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE),
-GEN_HANDLER_E(dcbtstep, 0x1F, 0x1F, 0x07, 0x00000001, PPC_NONE, PPC2_BOOKE206),
-GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
-GEN_HANDLER_E(dcblc, 0x1F, 0x06, 0x0c, 0x02000001, PPC_BOOKE, PPC2_BOOKE206),
-GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ),
-GEN_HANDLER_E(dcbzep, 0x1F, 0x1F, 0x1F, 0x03C00001, PPC_NONE, PPC2_BOOKE206),
-GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC),
-GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x01800001, PPC_ALTIVEC),
-GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC),
-GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI),
-GEN_HANDLER_E(icbiep, 0x1F, 0x1F, 0x1E, 0x03E00001, PPC_NONE, PPC2_BOOKE206),
-GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA),
 GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT),
 GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT),
 GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT),
-- 
2.54.0



  parent reply	other threads:[~2026-06-30 14:44 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-20 16:07 [RFC PATCH 00/28] target/ppc: Moving instructions to decodetree specification Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 01/28] target/ppc: Migrate extswsli to decodetree Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 02/28] target/ppc: Migrate atomic loads " Chinmay Rath
2026-07-06  8:45   ` Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 03/28] target/ppc: Convert cache instructions " Chinmay Rath
2026-06-01 16:06   ` Shivang Upadhyay
2026-06-30 14:42   ` Nikhil Kumar Singh [this message]
2026-06-30 15:17     ` [RFC PATCH v2] " Shivang Upadhyay
2026-07-08 12:11     ` Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 04/28] target/ppc: Move vector merge " Chinmay Rath
2026-07-07  4:46   ` Nikhil Kumar Singh
2026-05-20 16:07 ` [RFC PATCH 05/28] target/ppc: Move vector pack " Chinmay Rath
2026-07-07  4:47   ` Nikhil Kumar Singh
2026-05-20 16:07 ` [RFC PATCH 06/28] target/ppc: Move st{b, h, w, d, q}cx " Chinmay Rath
2026-07-07  4:49   ` Nikhil Kumar Singh
2026-05-20 16:07 ` [RFC PATCH 07/28] target/ppc: convert slw, srw instruction via decode spec Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 08/28] target/ppc: convert sraw[i] " Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 09/28] target/ppc : Convert mcrf to decode tree Chinmay Rath
2026-06-12  8:38   ` Shivang Upadhyay
2026-05-20 16:07 ` [RFC PATCH 10/28] target/ppc: Move fixed-point Shift insns to decodetree Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 11/28] target/ppc: Move fixed-point byte-reversal store " Chinmay Rath
2026-06-12 15:16   ` Shivang Upadhyay
2026-07-08  8:41     ` Amit Machhiwal
2026-07-06 16:21   ` Nikhil Kumar Singh
2026-07-08  8:42     ` Amit Machhiwal
2026-05-20 16:07 ` [RFC PATCH 12/28] target/ppc: Move GPR atomic load/store instructions " Chinmay Rath
2026-07-07  4:55   ` Nikhil Kumar Singh
2026-05-20 16:07 ` [RFC PATCH 13/28] target/ppc: Move isync instruction " Chinmay Rath
2026-07-07  4:57   ` Nikhil Kumar Singh
2026-05-20 16:07 ` [RFC PATCH 14/28] target/ppc: Convert b{a, l, la} to decode tree Chinmay Rath
2026-07-07  4:58   ` Nikhil Kumar Singh
2026-05-20 16:07 ` [RFC PATCH 15/28] target/ppc: move various conditional branch insns to decodetree Chinmay Rath
2026-07-06 17:20   ` Nikhil Kumar Singh
2026-05-20 16:07 ` [RFC PATCH 16/28] target/ppc: Fix TRANS* macro variadic arguments handling Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 17/28] target/ppc: Move wait instruction to decodetree Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 18/28] target/ppc: Move sleep & friends " Chinmay Rath
2026-07-06 17:48   ` Nikhil Kumar Singh
2026-07-07  5:09     ` Nikhil Kumar Singh
2026-05-20 16:07 ` [RFC PATCH 19/28] target/ppc: Refactor sleep and its variants to use a common helper Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 20/28] target/ppc: Move Condition Register access instructions to decodetree Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 21/28] target/ppc: Move Condition Register logical " Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 22/28] target/ppc: Move Fixed-Point Load/Store String " Chinmay Rath
2026-07-06  8:54   ` Chinmay Rath
2026-07-06 14:01     ` Shivang Upadhyay
2026-07-06 18:09   ` Nikhil Kumar Singh
2026-07-07 10:36     ` Shivang Upadhyay
2026-07-08  7:41       ` Chinmay Rath
2026-07-08  8:46         ` Shivang Upadhyay
2026-05-20 16:07 ` [RFC PATCH 23/28] target/ppc: Move VMX integer arithmetic and BCD " Chinmay Rath
2026-07-06 15:22   ` Chinmay Rath
2026-07-07 10:41     ` Shivang Upadhyay
2026-05-20 16:07 ` [RFC PATCH 24/28] target/ppc: Move rlwimi, rlwinm " Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 25/28] target/ppc: Move lmw, stmw " Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 26/28] target/ppc: Move mfmsr, mtmsr[d] " Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 27/28] target/ppc: Move byte-reverse " Chinmay Rath
2026-05-20 16:07 ` [RFC PATCH 28/28] target/ppc: Move system call and rfi " Chinmay Rath
2026-05-22  8:29 ` [RFC PATCH 00/28] target/ppc: Moving instructions to decodetree specification Vishal Chourasia
2026-05-28 10:59   ` [RFC PATCH v2] target/ppc: Move system call and rfi instructions to decodetree Vishal Chourasia
2026-07-06 10:14     ` Chinmay Rath
2026-07-13 22:01       ` Vishal Chourasia
2026-07-13 22:23       ` [RFC PATCH v3] " Vishal Chourasia
2026-05-28 11:08   ` [RFC PATCH 00/28] target/ppc: Moving instructions to decodetree specification Vishal Chourasia
2026-06-03 11:39 ` Chinmay Rath
2026-06-03 14:10   ` Miles Glenn
2026-06-04 10:29     ` Chinmay Rath
2026-06-11 19:18       ` Miles Glenn
2026-06-30  5:42         ` Chinmay Rath
2026-07-08 11:30           ` Chinmay Rath
2026-06-03 14:30 ` Richard Henderson
2026-06-04 10:27   ` Chinmay Rath

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