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target/mips: Declare generic FPU / Coprocessor functions in translate.h
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Some FPU / Coprocessor translation functions / registers can be
used by ISA / ASE / extensions out of the big translate.c file.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201214183739.500368-15-f4bug@amsat.org>
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@philmd
philmd committed Jan 14, 2021
1 parent 3a4ef3b commit 8758d1b
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Showing 2 changed files with 24 additions and 12 deletions.
24 changes: 12 additions & 12 deletions target/mips/translate.c
View file
Expand Up @@ -2492,8 +2492,8 @@ static TCGv cpu_dspctrl, btarget;
TCGv bcond;
static TCGv cpu_lladdr, cpu_llval;
static TCGv_i32 hflags;
static TCGv_i32 fpu_fcr0, fpu_fcr31;
static TCGv_i64 fpu_f64[32];
TCGv_i32 fpu_fcr0, fpu_fcr31;
TCGv_i64 fpu_f64[32];
static TCGv_i64 msa_wr_d[64];

#if defined(TARGET_MIPS64)
Expand Down Expand Up @@ -2768,15 +2768,15 @@ void gen_reserved_instruction(DisasContext *ctx)
}

/* Floating point register moves. */
static void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
{
if (ctx->hflags & MIPS_HFLAG_FRE) {
generate_exception(ctx, EXCP_RI);
}
tcg_gen_extrl_i64_i32(t, fpu_f64[reg]);
}

static void gen_store_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
void gen_store_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
{
TCGv_i64 t64;
if (ctx->hflags & MIPS_HFLAG_FRE) {
Expand Down Expand Up @@ -2809,7 +2809,7 @@ static void gen_store_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg)
}
}

static void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
{
if (ctx->hflags & MIPS_HFLAG_F64) {
tcg_gen_mov_i64(t, fpu_f64[reg]);
Expand All @@ -2818,7 +2818,7 @@ static void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
}
}

static void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
{
if (ctx->hflags & MIPS_HFLAG_F64) {
tcg_gen_mov_i64(fpu_f64[reg], t);
Expand All @@ -2832,7 +2832,7 @@ static void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
}
}

static inline int get_fp_bit(int cc)
int get_fp_bit(int cc)
{
if (cc) {
return 24 + cc;
Expand Down Expand Up @@ -2899,14 +2899,14 @@ void gen_move_high32(TCGv ret, TCGv_i64 arg)
#endif
}

static inline void check_cp0_enabled(DisasContext *ctx)
void check_cp0_enabled(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) {
generate_exception_end(ctx, EXCP_CpU);
}
}

static inline void check_cp1_enabled(DisasContext *ctx)
void check_cp1_enabled(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU))) {
generate_exception_err(ctx, EXCP_CpU, 1);
Expand All @@ -2918,7 +2918,7 @@ static inline void check_cp1_enabled(DisasContext *ctx)
* This is associated with the nabla symbol in the MIPS32 and MIPS64
* opcode tables.
*/
static inline void check_cop1x(DisasContext *ctx)
void check_cop1x(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X))) {
gen_reserved_instruction(ctx);
Expand All @@ -2929,7 +2929,7 @@ static inline void check_cop1x(DisasContext *ctx)
* Verify that the processor is running with 64-bit floating-point
* operations enabled.
*/
static inline void check_cp1_64bitmode(DisasContext *ctx)
void check_cp1_64bitmode(DisasContext *ctx)
{
if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X))) {
gen_reserved_instruction(ctx);
Expand All @@ -2947,7 +2947,7 @@ static inline void check_cp1_64bitmode(DisasContext *ctx)
* Multiple 64 bit wide registers can be checked by calling
* gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
*/
static inline void check_cp1_registers(DisasContext *ctx, int regs)
void check_cp1_registers(DisasContext *ctx, int regs)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) {
gen_reserved_instruction(ctx);
Expand Down
12 changes: 12 additions & 0 deletions target/mips/translate.h
View file
Expand Up @@ -61,16 +61,28 @@ void check_insn(DisasContext *ctx, uint64_t flags);
#ifdef TARGET_MIPS64
void check_mips_64(DisasContext *ctx);
#endif
void check_cp0_enabled(DisasContext *ctx);
void check_cp1_enabled(DisasContext *ctx);
void check_cp1_64bitmode(DisasContext *ctx);
void check_cp1_registers(DisasContext *ctx, int regs);
void check_cop1x(DisasContext *ctx);

void gen_base_offset_addr(DisasContext *ctx, TCGv addr, int base, int offset);
void gen_move_low32(TCGv ret, TCGv_i64 arg);
void gen_move_high32(TCGv ret, TCGv_i64 arg);
void gen_load_gpr(TCGv t, int reg);
void gen_store_gpr(TCGv t, int reg);
void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg);
void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg);
void gen_store_fpr32(DisasContext *ctx, TCGv_i32 t, int reg);
void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg);
int get_fp_bit(int cc);

void gen_op_addr_add(DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1);

extern TCGv cpu_gpr[32], cpu_PC;
extern TCGv_i32 fpu_fcr0, fpu_fcr31;
extern TCGv_i64 fpu_f64[32];
extern TCGv bcond;

#define LOG_DISAS(...) \
Expand Down

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