aboutsummaryrefslogtreecommitdiff
path: root/target/mips
diff options
context:
space:
mode:
authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2020-11-29 19:12:49 +0100
committerPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-01-14 17:13:53 +0100
commit57eedcf7e33c9833f97101034142cd546ae839bb (patch)
tree9277afc294fb286a95ece4e52e10a44540bb32fa /target/mips
parent8758d1b8aa3ee91b294ea862f89092c20428928e (diff)
downloadqemu-57eedcf7e33c9833f97101034142cd546ae839bb.zip
qemu-57eedcf7e33c9833f97101034142cd546ae839bb.tar.gz
qemu-57eedcf7e33c9833f97101034142cd546ae839bb.tar.bz2
target/mips: Extract FPU specific definitions to translate.h
Extract FPU specific definitions that can be used by ISA / ASE / extensions to translate.h header. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201214183739.500368-16-f4bug@amsat.org>
Diffstat (limited to 'target/mips')
-rw-r--r--target/mips/translate.c70
-rw-r--r--target/mips/translate.h71
2 files changed, 71 insertions, 70 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 9b82234..4c400ec 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -43,7 +43,6 @@ enum {
OPC_SPECIAL = (0x00 << 26),
OPC_REGIMM = (0x01 << 26),
OPC_CP0 = (0x10 << 26),
- OPC_CP1 = (0x11 << 26),
OPC_CP2 = (0x12 << 26),
OPC_CP3 = (0x13 << 26),
OPC_SPECIAL2 = (0x1C << 26),
@@ -996,75 +995,6 @@ enum {
OPC_WAIT = 0x20 | OPC_C0,
};
-/* Coprocessor 1 (rs field) */
-#define MASK_CP1(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)))
-
-/* Values for the fmt field in FP instructions */
-enum {
- /* 0 - 15 are reserved */
- FMT_S = 16, /* single fp */
- FMT_D = 17, /* double fp */
- FMT_E = 18, /* extended fp */
- FMT_Q = 19, /* quad fp */
- FMT_W = 20, /* 32-bit fixed */
- FMT_L = 21, /* 64-bit fixed */
- FMT_PS = 22, /* paired single fp */
- /* 23 - 31 are reserved */
-};
-
-enum {
- OPC_MFC1 = (0x00 << 21) | OPC_CP1,
- OPC_DMFC1 = (0x01 << 21) | OPC_CP1,
- OPC_CFC1 = (0x02 << 21) | OPC_CP1,
- OPC_MFHC1 = (0x03 << 21) | OPC_CP1,
- OPC_MTC1 = (0x04 << 21) | OPC_CP1,
- OPC_DMTC1 = (0x05 << 21) | OPC_CP1,
- OPC_CTC1 = (0x06 << 21) | OPC_CP1,
- OPC_MTHC1 = (0x07 << 21) | OPC_CP1,
- OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */
- OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1,
- OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1,
- OPC_BZ_V = (0x0B << 21) | OPC_CP1,
- OPC_BNZ_V = (0x0F << 21) | OPC_CP1,
- OPC_S_FMT = (FMT_S << 21) | OPC_CP1,
- OPC_D_FMT = (FMT_D << 21) | OPC_CP1,
- OPC_E_FMT = (FMT_E << 21) | OPC_CP1,
- OPC_Q_FMT = (FMT_Q << 21) | OPC_CP1,
- OPC_W_FMT = (FMT_W << 21) | OPC_CP1,
- OPC_L_FMT = (FMT_L << 21) | OPC_CP1,
- OPC_PS_FMT = (FMT_PS << 21) | OPC_CP1,
- OPC_BC1EQZ = (0x09 << 21) | OPC_CP1,
- OPC_BC1NEZ = (0x0D << 21) | OPC_CP1,
- OPC_BZ_B = (0x18 << 21) | OPC_CP1,
- OPC_BZ_H = (0x19 << 21) | OPC_CP1,
- OPC_BZ_W = (0x1A << 21) | OPC_CP1,
- OPC_BZ_D = (0x1B << 21) | OPC_CP1,
- OPC_BNZ_B = (0x1C << 21) | OPC_CP1,
- OPC_BNZ_H = (0x1D << 21) | OPC_CP1,
- OPC_BNZ_W = (0x1E << 21) | OPC_CP1,
- OPC_BNZ_D = (0x1F << 21) | OPC_CP1,
-};
-
-#define MASK_CP1_FUNC(op) (MASK_CP1(op) | (op & 0x3F))
-#define MASK_BC1(op) (MASK_CP1(op) | (op & (0x3 << 16)))
-
-enum {
- OPC_BC1F = (0x00 << 16) | OPC_BC1,
- OPC_BC1T = (0x01 << 16) | OPC_BC1,
- OPC_BC1FL = (0x02 << 16) | OPC_BC1,
- OPC_BC1TL = (0x03 << 16) | OPC_BC1,
-};
-
-enum {
- OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2,
- OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2,
-};
-
-enum {
- OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4,
- OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4,
-};
-
#define MASK_CP2(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)))
enum {
diff --git a/target/mips/translate.h b/target/mips/translate.h
index a3f4a56..1b918a4 100644
--- a/target/mips/translate.h
+++ b/target/mips/translate.h
@@ -52,6 +52,77 @@ typedef struct DisasContext {
/* MIPS major opcodes */
#define MASK_OP_MAJOR(op) (op & (0x3F << 26))
+#define OPC_CP1 (0x11 << 26)
+
+/* Coprocessor 1 (rs field) */
+#define MASK_CP1(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)))
+
+/* Values for the fmt field in FP instructions */
+enum {
+ /* 0 - 15 are reserved */
+ FMT_S = 16, /* single fp */
+ FMT_D = 17, /* double fp */
+ FMT_E = 18, /* extended fp */
+ FMT_Q = 19, /* quad fp */
+ FMT_W = 20, /* 32-bit fixed */
+ FMT_L = 21, /* 64-bit fixed */
+ FMT_PS = 22, /* paired single fp */
+ /* 23 - 31 are reserved */
+};
+
+enum {
+ OPC_MFC1 = (0x00 << 21) | OPC_CP1,
+ OPC_DMFC1 = (0x01 << 21) | OPC_CP1,
+ OPC_CFC1 = (0x02 << 21) | OPC_CP1,
+ OPC_MFHC1 = (0x03 << 21) | OPC_CP1,
+ OPC_MTC1 = (0x04 << 21) | OPC_CP1,
+ OPC_DMTC1 = (0x05 << 21) | OPC_CP1,
+ OPC_CTC1 = (0x06 << 21) | OPC_CP1,
+ OPC_MTHC1 = (0x07 << 21) | OPC_CP1,
+ OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */
+ OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1,
+ OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1,
+ OPC_BZ_V = (0x0B << 21) | OPC_CP1,
+ OPC_BNZ_V = (0x0F << 21) | OPC_CP1,
+ OPC_S_FMT = (FMT_S << 21) | OPC_CP1,
+ OPC_D_FMT = (FMT_D << 21) | OPC_CP1,
+ OPC_E_FMT = (FMT_E << 21) | OPC_CP1,
+ OPC_Q_FMT = (FMT_Q << 21) | OPC_CP1,
+ OPC_W_FMT = (FMT_W << 21) | OPC_CP1,
+ OPC_L_FMT = (FMT_L << 21) | OPC_CP1,
+ OPC_PS_FMT = (FMT_PS << 21) | OPC_CP1,
+ OPC_BC1EQZ = (0x09 << 21) | OPC_CP1,
+ OPC_BC1NEZ = (0x0D << 21) | OPC_CP1,
+ OPC_BZ_B = (0x18 << 21) | OPC_CP1,
+ OPC_BZ_H = (0x19 << 21) | OPC_CP1,
+ OPC_BZ_W = (0x1A << 21) | OPC_CP1,
+ OPC_BZ_D = (0x1B << 21) | OPC_CP1,
+ OPC_BNZ_B = (0x1C << 21) | OPC_CP1,
+ OPC_BNZ_H = (0x1D << 21) | OPC_CP1,
+ OPC_BNZ_W = (0x1E << 21) | OPC_CP1,
+ OPC_BNZ_D = (0x1F << 21) | OPC_CP1,
+};
+
+#define MASK_CP1_FUNC(op) (MASK_CP1(op) | (op & 0x3F))
+#define MASK_BC1(op) (MASK_CP1(op) | (op & (0x3 << 16)))
+
+enum {
+ OPC_BC1F = (0x00 << 16) | OPC_BC1,
+ OPC_BC1T = (0x01 << 16) | OPC_BC1,
+ OPC_BC1FL = (0x02 << 16) | OPC_BC1,
+ OPC_BC1TL = (0x03 << 16) | OPC_BC1,
+};
+
+enum {
+ OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2,
+ OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2,
+};
+
+enum {
+ OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4,
+ OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4,
+};
+
void generate_exception(DisasContext *ctx, int excp);
void generate_exception_err(DisasContext *ctx, int excp, int err);
void generate_exception_end(DisasContext *ctx, int excp);