From: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
To: qemu-devel@nongnu.org
Cc: libvir-list@redhat.com, "Paolo Bonzini" <pbonzini@redhat.com>,
"Laurent Vivier" <laurent@vivier.eu>,
kvm@vger.kernel.org, "Jiaxun Yang" <jiaxun.yang@flygoat.com>,
"Aurelien Jarno" <aurelien@aurel32.net>,
"Huacai Chen" <chenhuacai@kernel.org>,
"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
"Aleksandar Rikalo" <aleksandar.rikalo@syrmia.com>,
"Paul Burton" <paulburton@kernel.org>,
"Richard Henderson" <richard.henderson@linaro.org>
Subject: [PULL 20/66] target/mips: Extract FPU helpers to 'fpu_helper.h'
Date: Thu, 7 Jan 2021 23:22:07 +0100 [thread overview]
Message-ID: <20210107222253.20382-21-f4bug@amsat.org> (raw)
In-Reply-To: <20210107222253.20382-1-f4bug@amsat.org>
Extract FPU specific helpers from "internal.h" to "fpu_helper.h".
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201120210844.2625602-2-f4bug@amsat.org>
---
target/mips/fpu_helper.h | 59 ++++++++++++++++++++++++++++++++
target/mips/internal.h | 49 --------------------------
linux-user/mips/cpu_loop.c | 1 +
target/mips/fpu_helper.c | 1 +
target/mips/gdbstub.c | 1 +
target/mips/kvm.c | 1 +
target/mips/machine.c | 1 +
target/mips/msa_helper.c | 1 +
target/mips/op_helper.c | 2 +-
target/mips/translate.c | 1 +
target/mips/translate_init.c.inc | 2 ++
11 files changed, 69 insertions(+), 50 deletions(-)
create mode 100644 target/mips/fpu_helper.h
diff --git a/target/mips/fpu_helper.h b/target/mips/fpu_helper.h
new file mode 100644
index 00000000000..1c2d6d35a71
--- /dev/null
+++ b/target/mips/fpu_helper.h
@@ -0,0 +1,59 @@
+/*
+ * Helpers for emulation of FPU-related MIPS instructions.
+ *
+ * Copyright (C) 2004-2005 Jocelyn Mayer
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+#include "fpu/softfloat-helpers.h"
+#include "cpu.h"
+
+extern const FloatRoundMode ieee_rm[4];
+
+uint32_t float_class_s(uint32_t arg, float_status *fst);
+uint64_t float_class_d(uint64_t arg, float_status *fst);
+
+static inline void restore_rounding_mode(CPUMIPSState *env)
+{
+ set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3],
+ &env->active_fpu.fp_status);
+}
+
+static inline void restore_flush_mode(CPUMIPSState *env)
+{
+ set_flush_to_zero((env->active_fpu.fcr31 & (1 << FCR31_FS)) != 0,
+ &env->active_fpu.fp_status);
+}
+
+static inline void restore_snan_bit_mode(CPUMIPSState *env)
+{
+ set_snan_bit_is_one((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) == 0,
+ &env->active_fpu.fp_status);
+}
+
+static inline void restore_fp_status(CPUMIPSState *env)
+{
+ restore_rounding_mode(env);
+ restore_flush_mode(env);
+ restore_snan_bit_mode(env);
+}
+
+/* MSA */
+
+enum CPUMIPSMSADataFormat {
+ DF_BYTE = 0,
+ DF_HALF,
+ DF_WORD,
+ DF_DOUBLE
+};
+
+static inline void restore_msa_fp_status(CPUMIPSState *env)
+{
+ float_status *status = &env->active_tc.msa_fp_status;
+ int rounding_mode = (env->active_tc.msacsr & MSACSR_RM_MASK) >> MSACSR_RM;
+ bool flush_to_zero = (env->active_tc.msacsr & MSACSR_FS_MASK) != 0;
+
+ set_float_rounding_mode(ieee_rm[rounding_mode], status);
+ set_flush_to_zero(flush_to_zero, status);
+ set_flush_inputs_to_zero(flush_to_zero, status);
+}
diff --git a/target/mips/internal.h b/target/mips/internal.h
index 77a648bcf9c..f159187b246 100644
--- a/target/mips/internal.h
+++ b/target/mips/internal.h
@@ -9,7 +9,6 @@
#define MIPS_INTERNAL_H
#include "exec/memattrs.h"
-#include "fpu/softfloat-helpers.h"
/*
* MMU types, the first four entries have the same layout as the
@@ -75,13 +74,6 @@ struct mips_def_t {
extern const struct mips_def_t mips_defs[];
extern const int mips_defs_number;
-enum CPUMIPSMSADataFormat {
- DF_BYTE = 0,
- DF_HALF,
- DF_WORD,
- DF_DOUBLE
-};
-
void mips_cpu_do_interrupt(CPUState *cpu);
bool mips_cpu_exec_interrupt(CPUState *cpu, int int_req);
void mips_cpu_dump_state(CPUState *cpu, FILE *f, int flags);
@@ -220,49 +212,8 @@ bool mips_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
bool probe, uintptr_t retaddr);
/* op_helper.c */
-uint32_t float_class_s(uint32_t arg, float_status *fst);
-uint64_t float_class_d(uint64_t arg, float_status *fst);
-
-extern const FloatRoundMode ieee_rm[4];
-
void update_pagemask(CPUMIPSState *env, target_ulong arg1, int32_t *pagemask);
-static inline void restore_rounding_mode(CPUMIPSState *env)
-{
- set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3],
- &env->active_fpu.fp_status);
-}
-
-static inline void restore_flush_mode(CPUMIPSState *env)
-{
- set_flush_to_zero((env->active_fpu.fcr31 & (1 << FCR31_FS)) != 0,
- &env->active_fpu.fp_status);
-}
-
-static inline void restore_snan_bit_mode(CPUMIPSState *env)
-{
- set_snan_bit_is_one((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) == 0,
- &env->active_fpu.fp_status);
-}
-
-static inline void restore_fp_status(CPUMIPSState *env)
-{
- restore_rounding_mode(env);
- restore_flush_mode(env);
- restore_snan_bit_mode(env);
-}
-
-static inline void restore_msa_fp_status(CPUMIPSState *env)
-{
- float_status *status = &env->active_tc.msa_fp_status;
- int rounding_mode = (env->active_tc.msacsr & MSACSR_RM_MASK) >> MSACSR_RM;
- bool flush_to_zero = (env->active_tc.msacsr & MSACSR_FS_MASK) != 0;
-
- set_float_rounding_mode(ieee_rm[rounding_mode], status);
- set_flush_to_zero(flush_to_zero, status);
- set_flush_inputs_to_zero(flush_to_zero, status);
-}
-
static inline void restore_pamask(CPUMIPSState *env)
{
if (env->hflags & MIPS_HFLAG_ELPA) {
diff --git a/linux-user/mips/cpu_loop.c b/linux-user/mips/cpu_loop.c
index 19947448a25..9d813ece4e7 100644
--- a/linux-user/mips/cpu_loop.c
+++ b/linux-user/mips/cpu_loop.c
@@ -23,6 +23,7 @@
#include "cpu_loop-common.h"
#include "elf.h"
#include "internal.h"
+#include "fpu_helper.h"
# ifdef TARGET_ABI_MIPSO32
# define MIPS_SYSCALL_NUMBER_UNUSED -1
diff --git a/target/mips/fpu_helper.c b/target/mips/fpu_helper.c
index 91b6a2e11fc..6dd853259e2 100644
--- a/target/mips/fpu_helper.c
+++ b/target/mips/fpu_helper.c
@@ -27,6 +27,7 @@
#include "exec/exec-all.h"
#include "exec/cpu_ldst.h"
#include "fpu/softfloat.h"
+#include "fpu_helper.h"
/* Complex FPU operations which may need stack space. */
diff --git a/target/mips/gdbstub.c b/target/mips/gdbstub.c
index e39f8d75cf0..f1c2a2cf6d6 100644
--- a/target/mips/gdbstub.c
+++ b/target/mips/gdbstub.c
@@ -21,6 +21,7 @@
#include "cpu.h"
#include "internal.h"
#include "exec/gdbstub.h"
+#include "fpu_helper.h"
int mips_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
{
diff --git a/target/mips/kvm.c b/target/mips/kvm.c
index 477692566a4..a5b6fe35dbc 100644
--- a/target/mips/kvm.c
+++ b/target/mips/kvm.c
@@ -24,6 +24,7 @@
#include "sysemu/runstate.h"
#include "kvm_mips.h"
#include "hw/boards.h"
+#include "fpu_helper.h"
#define DEBUG_KVM 0
diff --git a/target/mips/machine.c b/target/mips/machine.c
index 77afe654e91..b5fda6a2786 100644
--- a/target/mips/machine.c
+++ b/target/mips/machine.c
@@ -2,6 +2,7 @@
#include "cpu.h"
#include "internal.h"
#include "migration/cpu.h"
+#include "fpu_helper.h"
static int cpu_post_load(void *opaque, int version_id)
{
diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c
index 249f0fdad80..b89b4c44902 100644
--- a/target/mips/msa_helper.c
+++ b/target/mips/msa_helper.c
@@ -23,6 +23,7 @@
#include "exec/exec-all.h"
#include "exec/helper-proto.h"
#include "fpu/softfloat.h"
+#include "fpu_helper.h"
/* Data format min and max values */
#define DF_BITS(df) (1 << ((df) + 3))
diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c
index 5aa97902e98..3386b8228e9 100644
--- a/target/mips/op_helper.c
+++ b/target/mips/op_helper.c
@@ -24,7 +24,7 @@
#include "exec/helper-proto.h"
#include "exec/exec-all.h"
#include "exec/memop.h"
-
+#include "fpu_helper.h"
/*****************************************************************************/
/* Exceptions processing helpers */
diff --git a/target/mips/translate.c b/target/mips/translate.c
index e813add99c5..f8f0f95509c 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -35,6 +35,7 @@
#include "exec/translator.h"
#include "exec/log.h"
#include "qemu/qemu-print.h"
+#include "fpu_helper.h"
#define MIPS_DEBUG_DISAS 0
diff --git a/target/mips/translate_init.c.inc b/target/mips/translate_init.c.inc
index 0ba3cf18ef7..044052fb77c 100644
--- a/target/mips/translate_init.c.inc
+++ b/target/mips/translate_init.c.inc
@@ -18,6 +18,8 @@
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
+#include "fpu_helper.h"
+
/* CPU / CPU family specific config register values. */
/* Have config1, uncached coherency */
--
2.26.2
next prev parent reply other threads:[~2021-01-07 22:25 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-07 22:21 [PULL 00/66] MIPS patches for 2021-01-07 Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 01/66] target/mips: Add CP0 Config0 register definitions for MIPS3 ISA Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 02/66] target/mips: Replace CP0_Config0 magic values by proper definitions Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 03/66] target/mips/addr: Add translation helpers for KSEG1 Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 04/66] target/mips/mips-defs: Remove USE_HOST_FLOAT_REGS comment Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 05/66] target/mips/mips-defs: Reorder CPU_MIPS5 definition Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 06/66] target/mips/mips-defs: Rename CPU_MIPSxx Release 1 as CPU_MIPSxxR1 Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 07/66] target/mips/mips-defs: Introduce CPU_MIPS64 and cpu_type_is_64bit() Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 08/66] hw/mips/boston: Check 64-bit support with cpu_type_is_64bit() Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 09/66] target/mips/mips-defs: Use ISA_MIPS32 definition to check Release 1 Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 10/66] target/mips/mips-defs: Use ISA_MIPS32R2 definition to check Release 2 Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 11/66] target/mips/mips-defs: Use ISA_MIPS32R3 definition to check Release 3 Philippe Mathieu-Daudé
2021-01-07 22:21 ` [PULL 12/66] target/mips/mips-defs: Use ISA_MIPS32R5 definition to check Release 5 Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 13/66] target/mips/mips-defs: Use ISA_MIPS32R6 definition to check Release 6 Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 14/66] target/mips/mips-defs: Rename ISA_MIPS32 as ISA_MIPS_R1 Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 15/66] target/mips/mips-defs: Rename ISA_MIPS32R2 as ISA_MIPS_R2 Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 16/66] target/mips/mips-defs: Rename ISA_MIPS32R3 as ISA_MIPS_R3 Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 17/66] target/mips/mips-defs: Rename ISA_MIPS32R5 as ISA_MIPS_R5 Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 18/66] target/mips/mips-defs: Rename ISA_MIPS32R6 as ISA_MIPS_R6 Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 19/66] target/mips: Inline cpu_state_reset() in mips_cpu_reset() Philippe Mathieu-Daudé
2021-01-07 22:22 ` Philippe Mathieu-Daudé [this message]
2021-01-07 22:22 ` [PULL 21/66] target/mips: Add !CONFIG_USER_ONLY comment after #endif Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 22/66] target/mips: Remove consecutive CONFIG_USER_ONLY ifdefs Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 23/66] target/mips: Move common helpers from helper.c to cpu.c Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 24/66] target/mips: Rename helper.c as tlb_helper.c Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 25/66] target/mips: Fix code style for checkpatch.pl Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 26/66] target/mips: Move mmu_init() functions to tlb_helper.c Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 27/66] target/mips: Rename translate_init.c as cpu-defs.c Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 28/66] target/mips/translate: Extract DisasContext structure Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 29/66] target/mips/translate: Add declarations for generic code Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 30/66] target/mips: Replace gen_exception_err(err=0) by gen_exception_end() Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 32/66] target/mips: Declare generic FPU functions in 'translate.h' Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 33/66] target/mips: Extract FPU specific definitions to translate.h Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 34/66] target/mips: Only build TCG code when CONFIG_TCG is set Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 35/66] target/mips/translate: Extract decode_opc_legacy() from decode_opc() Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 36/66] target/mips/translate: Expose check_mips_64() to 32-bit mode Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 37/66] target/mips: Introduce ase_msa_available() helper Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 38/66] target/mips: Simplify msa_reset() Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 39/66] target/mips: Use CP0_Config3 to set MIPS_HFLAG_MSA Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 40/66] target/mips: Simplify MSA TCG logic Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 41/66] target/mips: Remove now unused ASE_MSA definition Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 42/66] target/mips: Alias MSA vector registers on FPU scalar registers Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 43/66] target/mips: Extract msa_translate_init() from mips_tcg_init() Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 44/66] target/mips: Remove CPUMIPSState* argument from gen_msa*() methods Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 45/66] target/mips: Explode gen_msa_branch() as gen_msa_BxZ_V/BxZ() Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 46/66] target/mips: Move msa_reset() to msa_helper.c Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 47/66] target/mips: Extract MSA helpers from op_helper.c Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 48/66] target/mips: Extract MSA helper definitions Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 49/66] target/mips: Declare gen_msa/_branch() in 'translate.h' Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 51/66] target/mips: Pass TCGCond argument to MSA gen_check_zero_element() Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 52/66] target/mips: Introduce decode tree bindings for MSA ASE Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 53/66] target/mips: Use decode_ase_msa() generated from decodetree Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 54/66] target/mips: Extract LSA/DLSA translation generators Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 55/66] target/mips: Introduce decodetree helpers for MSA LSA/DLSA opcodes Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 56/66] target/mips: Introduce decodetree helpers for Release6 " Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 57/66] target/mips: Remove now unreachable LSA/DLSA opcodes code Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 58/66] target/mips: Convert Rel6 Special2 opcode to decodetree Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 59/66] target/mips: Convert Rel6 COP1X " Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 60/66] target/mips: Convert Rel6 CACHE/PREF opcodes " Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 61/66] target/mips: Convert Rel6 LWL/LWR/SWL/SWR " Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 62/66] target/mips: Convert Rel6 LWLE/LWRE/SWLE/SWRE " Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 63/66] target/mips: Convert Rel6 LDL/LDR/SDL/SDR " Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 64/66] target/mips: Convert Rel6 LLD/SCD " Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 65/66] target/mips: Convert Rel6 LL/SC " Philippe Mathieu-Daudé
2021-01-07 22:22 ` [PULL 66/66] docs/system: Remove deprecated 'fulong2e' machine alias Philippe Mathieu-Daudé
2021-01-07 22:34 ` [PULL 00/66] MIPS patches for 2021-01-07 Philippe Mathieu-Daudé
2021-01-07 22:52 ` no-reply
2021-01-08 10:35 ` Peter Maydell
[not found] ` <CAAdtpL7CKT3gG8VCP4K1COjfqbG+pP_p_LG5Py8rmjUJH4foMg@mail.gmail.com>
2021-01-08 11:54 ` Peter Maydell
[not found] ` <CAE2XoE8YWYnvap+Ox7hWaKfpRjDS+vEKpP61F0w3NkkKse5_iA@mail.gmail.com>
2021-01-08 18:48 ` Richard Henderson
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