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target/loongarch: Add generic csr function type

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Parameter type TCGv and TCGv_ptr for function GenCSRRead and GenCSRWrite
is not used in non-TCG mode. Generic csr function type is added here
with parameter void type, so that it passes to compile with non-TCG mode.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
This commit is contained in:
Bibo Mao 2025-01-22 15:13:41 +08:00
parent 3156b1c1e9
commit 75b2c5da94
1 changed files with 17 additions and 10 deletions
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27
target/loongarch/tcg/insn_trans/trans_privileged.c.inc
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@ -44,12 +44,13 @@ GEN_FALSE_TRANS(idle)
typedef void (*GenCSRRead)(TCGv dest, TCGv_ptr env); typedef void (*GenCSRRead)(TCGv dest, TCGv_ptr env);
typedef void (*GenCSRWrite)(TCGv dest, TCGv_ptr env, TCGv src); typedef void (*GenCSRWrite)(TCGv dest, TCGv_ptr env, TCGv src);
typedef void (*GenCSRFunc)(void);
typedef struct { typedef struct {
int offset; int offset;
int flags; int flags;
GenCSRRead readfn; GenCSRFunc readfn;
GenCSRWrite writefn; GenCSRFunc writefn;
} CSRInfo; } CSRInfo;
enum { enum {
@ -184,8 +185,8 @@ static bool set_csr_trans_func(unsigned int csr_num, GenCSRRead readfn,
return false; return false;
} }
csr->readfn = readfn; csr->readfn = (GenCSRFunc)readfn;
csr->writefn = writefn; csr->writefn = (GenCSRFunc)writefn;
return true; return true;
} }
@ -222,6 +223,7 @@ static bool trans_csrrd(DisasContext *ctx, arg_csrrd *a)
{ {
TCGv dest; TCGv dest;
const CSRInfo *csr; const CSRInfo *csr;
GenCSRRead readfn;
if (check_plv(ctx)) { if (check_plv(ctx)) {
return false; return false;
@ -233,8 +235,9 @@ static bool trans_csrrd(DisasContext *ctx, arg_csrrd *a)
} else { } else {
check_csr_flags(ctx, csr, false); check_csr_flags(ctx, csr, false);
dest = gpr_dst(ctx, a->rd, EXT_NONE); dest = gpr_dst(ctx, a->rd, EXT_NONE);
if (csr->readfn) { readfn = (GenCSRRead)csr->readfn;
csr->readfn(dest, tcg_env); if (readfn) {
readfn(dest, tcg_env);
} else { } else {
tcg_gen_ld_tl(dest, tcg_env, csr->offset); tcg_gen_ld_tl(dest, tcg_env, csr->offset);
} }
@ -247,6 +250,7 @@ static bool trans_csrwr(DisasContext *ctx, arg_csrwr *a)
{ {
TCGv dest, src1; TCGv dest, src1;
const CSRInfo *csr; const CSRInfo *csr;
GenCSRWrite writefn;
if (check_plv(ctx)) { if (check_plv(ctx)) {
return false; return false;
@ -262,9 +266,10 @@ static bool trans_csrwr(DisasContext *ctx, arg_csrwr *a)
return false; return false;
} }
src1 = gpr_src(ctx, a->rd, EXT_NONE); src1 = gpr_src(ctx, a->rd, EXT_NONE);
if (csr->writefn) { writefn = (GenCSRWrite)csr->writefn;
if (writefn) {
dest = gpr_dst(ctx, a->rd, EXT_NONE); dest = gpr_dst(ctx, a->rd, EXT_NONE);
csr->writefn(dest, tcg_env, src1); writefn(dest, tcg_env, src1);
} else { } else {
dest = tcg_temp_new(); dest = tcg_temp_new();
tcg_gen_ld_tl(dest, tcg_env, csr->offset); tcg_gen_ld_tl(dest, tcg_env, csr->offset);
@ -278,6 +283,7 @@ static bool trans_csrxchg(DisasContext *ctx, arg_csrxchg *a)
{ {
TCGv src1, mask, oldv, newv, temp; TCGv src1, mask, oldv, newv, temp;
const CSRInfo *csr; const CSRInfo *csr;
GenCSRWrite writefn;
if (check_plv(ctx)) { if (check_plv(ctx)) {
return false; return false;
@ -308,8 +314,9 @@ static bool trans_csrxchg(DisasContext *ctx, arg_csrxchg *a)
tcg_gen_andc_tl(temp, oldv, mask); tcg_gen_andc_tl(temp, oldv, mask);
tcg_gen_or_tl(newv, newv, temp); tcg_gen_or_tl(newv, newv, temp);
if (csr->writefn) { writefn = (GenCSRWrite)csr->writefn;
csr->writefn(oldv, tcg_env, newv); if (writefn) {
writefn(oldv, tcg_env, newv);
} else { } else {
tcg_gen_st_tl(newv, tcg_env, csr->offset); tcg_gen_st_tl(newv, tcg_env, csr->offset);
} }