haraldwolff/qemu-patch-raspberry4
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Fix [ls][wd][lr] instructions, by Aurelien Jarno.

Browse source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3372 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-10-09 03:12:08 +00:00
parent 0e21e12bb3
commit 4e9f853731
5 changed files with 207 additions and 68 deletions
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2
Makefile.target
View file

@ -658,7 +658,7 @@ endif
ifeq ($(TARGET_BASE_ARCH), mips)
helper.o: cpu.h exec-all.h
op.o: op_template.c fop_template.c op_mem.c exec.h cpu.h
op_helper.o: op_helper_mem.c exec.h softmmu_template.h cpu.h
op_helper.o: exec.h softmmu_template.h cpu.h
translate.o: translate_init.c exec-all.h disas.h
endif

30
target-mips/exec.h
View file

@ -100,36 +100,6 @@ void fpu_dump_state(CPUState *env, FILE *f,
int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
int flags);
void dump_sc (void);
void do_lwl_raw (uint32_t);
void do_lwr_raw (uint32_t);
uint32_t do_swl_raw (uint32_t);
uint32_t do_swr_raw (uint32_t);
#if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
void do_ldl_raw (uint64_t);
void do_ldr_raw (uint64_t);
uint64_t do_sdl_raw (uint64_t);
uint64_t do_sdr_raw (uint64_t);
#endif
#if !defined(CONFIG_USER_ONLY)
void do_lwl_user (uint32_t);
void do_lwl_kernel (uint32_t);
void do_lwr_user (uint32_t);
void do_lwr_kernel (uint32_t);
uint32_t do_swl_user (uint32_t);
uint32_t do_swl_kernel (uint32_t);
uint32_t do_swr_user (uint32_t);
uint32_t do_swr_kernel (uint32_t);
#if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
void do_ldl_user (uint64_t);
void do_ldl_kernel (uint64_t);
void do_ldr_user (uint64_t);
void do_ldr_kernel (uint64_t);
uint64_t do_sdl_user (uint64_t);
uint64_t do_sdl_kernel (uint64_t);
uint64_t do_sdr_user (uint64_t);
uint64_t do_sdr_kernel (uint64_t);
#endif
#endif
void do_pmon (int function);
void dump_sc (void);

12
target-mips/op_helper.c
View file

@ -62,18 +62,6 @@ void do_raise_exception_direct (uint32_t exception)
do_raise_exception_direct_err (exception, 0);
}
#define MEMSUFFIX _raw
#include "op_helper_mem.c"
#undef MEMSUFFIX
#if !defined(CONFIG_USER_ONLY)
#define MEMSUFFIX _user
#include "op_helper_mem.c"
#undef MEMSUFFIX
#define MEMSUFFIX _kernel
#include "op_helper_mem.c"
#undef MEMSUFFIX
#endif
#if defined(TARGET_MIPSN32) || defined(TARGET_MIPS64)
#if TARGET_LONG_BITS > HOST_LONG_BITS
/* Those might call libgcc functions. */

223
target-mips/op_mem.c
View file

@ -75,34 +75,92 @@ void glue(op_sw, MEMSUFFIX) (void)
/* "half" load and stores. We must do the memory access inline,
or fault handling won't work. */
/* XXX: This is broken, CP0_BADVADDR has the wrong (aligned) value. */
#ifdef TARGET_WORDS_BIGENDIAN
#define GET_LMASK(v) ((v) & 3)
#define GET_OFFSET(addr, offset) (addr + (offset))
#else
#define GET_LMASK(v) (((v) & 3) ^ 3)
#define GET_OFFSET(addr, offset) (addr - (offset))
#endif
void glue(op_lwl, MEMSUFFIX) (void)
{
uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
CALL_FROM_TB1(glue(do_lwl, MEMSUFFIX), tmp);
target_ulong tmp;
tmp = glue(ldub, MEMSUFFIX)(T0);
T1 = (int32_t)((T1 & 0x00FFFFFF) | (tmp << 24));
if (GET_LMASK(T0) <= 2) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 1));
T1 = (T1 & 0xFF00FFFF) | (tmp << 16);
}
if (GET_LMASK(T0) <= 1) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 2));
T1 = (T1 & 0xFFFF00FF) | (tmp << 8);
}
if (GET_LMASK(T0) == 0) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 3));
T1 = (T1 & 0xFFFFFF00) | tmp;
}
RETURN();
}
void glue(op_lwr, MEMSUFFIX) (void)
{
uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
CALL_FROM_TB1(glue(do_lwr, MEMSUFFIX), tmp);
target_ulong tmp;
tmp = glue(ldub, MEMSUFFIX)(T0);
T1 = (T1 & 0xFFFFFF00) | tmp;
if (GET_LMASK(T0) >= 1) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -1));
T1 = (T1 & 0xFFFF00FF) | (tmp << 8);
}
if (GET_LMASK(T0) >= 2) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -2));
T1 = (T1 & 0xFF00FFFF) | (tmp << 16);
}
if (GET_LMASK(T0) == 3) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -3));
T1 = (T1 & 0x00FFFFFF) | (tmp << 24);
}
RETURN();
}
void glue(op_swl, MEMSUFFIX) (void)
{
uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
tmp = CALL_FROM_TB1(glue(do_swl, MEMSUFFIX), tmp);
glue(stl, MEMSUFFIX)(T0 & ~3, tmp);
glue(stb, MEMSUFFIX)(T0, (uint8_t)(T1 >> 24));
if (GET_LMASK(T0) <= 2)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 1), (uint8_t)(T1 >> 16));
if (GET_LMASK(T0) <= 1)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 2), (uint8_t)(T1 >> 8));
if (GET_LMASK(T0) == 0)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 3), (uint8_t)T1);
RETURN();
}
void glue(op_swr, MEMSUFFIX) (void)
{
uint32_t tmp = glue(ldl, MEMSUFFIX)(T0 & ~3);
tmp = CALL_FROM_TB1(glue(do_swr, MEMSUFFIX), tmp);
glue(stl, MEMSUFFIX)(T0 & ~3, tmp);
glue(stb, MEMSUFFIX)(T0, (uint8_t)T1);
if (GET_LMASK(T0) >= 1)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -1), (uint8_t)(T1 >> 8));
if (GET_LMASK(T0) >= 2)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -2), (uint8_t)(T1 >> 16));
if (GET_LMASK(T0) == 3)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -3), (uint8_t)(T1 >> 24));
RETURN();
}
@ -145,33 +203,156 @@ void glue(op_sd, MEMSUFFIX) (void)
/* "half" load and stores. We must do the memory access inline,
or fault handling won't work. */
#ifdef TARGET_WORDS_BIGENDIAN
#define GET_LMASK64(v) ((v) & 7)
#else
#define GET_LMASK64(v) (((v) & 7) ^ 7)
#endif
void glue(op_ldl, MEMSUFFIX) (void)
{
target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
CALL_FROM_TB1(glue(do_ldl, MEMSUFFIX), tmp);
uint64_t tmp;
tmp = glue(ldub, MEMSUFFIX)(T0);
T1 = (T1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56);
if (GET_LMASK64(T0) <= 6) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 1));
T1 = (T1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48);
}
if (GET_LMASK64(T0) <= 5) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 2));
T1 = (T1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40);
}
if (GET_LMASK64(T0) <= 4) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 3));
T1 = (T1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32);
}
if (GET_LMASK64(T0) <= 3) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 4));
T1 = (T1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24);
}
if (GET_LMASK64(T0) <= 2) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 5));
T1 = (T1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16);
}
if (GET_LMASK64(T0) <= 1) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 6));
T1 = (T1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8);
}
if (GET_LMASK64(T0) == 0) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, 7));
T1 = (T1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
}
RETURN();
}
void glue(op_ldr, MEMSUFFIX) (void)
{
target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
CALL_FROM_TB1(glue(do_ldr, MEMSUFFIX), tmp);
uint64_t tmp;
tmp = glue(ldub, MEMSUFFIX)(T0);
T1 = (T1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
if (GET_LMASK64(T0) >= 1) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -1));
T1 = (T1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8);
}
if (GET_LMASK64(T0) >= 2) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -2));
T1 = (T1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16);
}
if (GET_LMASK64(T0) >= 3) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -3));
T1 = (T1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24);
}
if (GET_LMASK64(T0) >= 4) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -4));
T1 = (T1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32);
}
if (GET_LMASK64(T0) >= 5) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -5));
T1 = (T1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40);
}
if (GET_LMASK64(T0) >= 6) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -6));
T1 = (T1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48);
}
if (GET_LMASK64(T0) == 7) {
tmp = glue(ldub, MEMSUFFIX)(GET_OFFSET(T0, -7));
T1 = (T1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56);
}
RETURN();
}
void glue(op_sdl, MEMSUFFIX) (void)
{
target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
tmp = CALL_FROM_TB1(glue(do_sdl, MEMSUFFIX), tmp);
glue(stq, MEMSUFFIX)(T0 & ~7, tmp);
glue(stb, MEMSUFFIX)(T0, (uint8_t)(T1 >> 56));
if (GET_LMASK64(T0) <= 6)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 1), (uint8_t)(T1 >> 48));
if (GET_LMASK64(T0) <= 5)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 2), (uint8_t)(T1 >> 40));
if (GET_LMASK64(T0) <= 4)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 3), (uint8_t)(T1 >> 32));
if (GET_LMASK64(T0) <= 3)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 4), (uint8_t)(T1 >> 24));
if (GET_LMASK64(T0) <= 2)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 5), (uint8_t)(T1 >> 16));
if (GET_LMASK64(T0) <= 1)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 6), (uint8_t)(T1 >> 8));
if (GET_LMASK64(T0) <= 0)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, 7), (uint8_t)T1);
RETURN();
}
void glue(op_sdr, MEMSUFFIX) (void)
{
target_long tmp = glue(ldq, MEMSUFFIX)(T0 & ~7);
tmp = CALL_FROM_TB1(glue(do_sdr, MEMSUFFIX), tmp);
glue(stq, MEMSUFFIX)(T0 & ~7, tmp);
glue(stb, MEMSUFFIX)(T0, (uint8_t)T1);
if (GET_LMASK64(T0) >= 1)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -1), (uint8_t)(T1 >> 8));
if (GET_LMASK64(T0) >= 2)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -2), (uint8_t)(T1 >> 16));
if (GET_LMASK64(T0) >= 3)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -3), (uint8_t)(T1 >> 24));
if (GET_LMASK64(T0) >= 4)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -4), (uint8_t)(T1 >> 32));
if (GET_LMASK64(T0) >= 5)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -5), (uint8_t)(T1 >> 40));
if (GET_LMASK64(T0) >= 6)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -6), (uint8_t)(T1 >> 48));
if (GET_LMASK64(T0) == 7)
glue(stb, MEMSUFFIX)(GET_OFFSET(T0, -7), (uint8_t)(T1 >> 56));
RETURN();
}

8
target-mips/translate.c
View file

@ -889,7 +889,7 @@ static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt,
case OPC_LDL:
GEN_LOAD_REG_TN(T1, rt);
op_ldst(ldl);
GEN_STORE_TN_REG(rt, T0);
GEN_STORE_TN_REG(rt, T1);
opn = "ldl";
break;
case OPC_SDL:
@ -900,7 +900,7 @@ static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt,
case OPC_LDR:
GEN_LOAD_REG_TN(T1, rt);
op_ldst(ldr);
GEN_STORE_TN_REG(rt, T0);
GEN_STORE_TN_REG(rt, T1);
opn = "ldr";
break;
case OPC_SDR:
@ -952,7 +952,7 @@ static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt,
case OPC_LWL:
GEN_LOAD_REG_TN(T1, rt);
op_ldst(lwl);
GEN_STORE_TN_REG(rt, T0);
GEN_STORE_TN_REG(rt, T1);
opn = "lwl";
break;
case OPC_SWL:
@ -963,7 +963,7 @@ static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt,
case OPC_LWR:
GEN_LOAD_REG_TN(T1, rt);
op_ldst(lwr);
GEN_STORE_TN_REG(rt, T0);
GEN_STORE_TN_REG(rt, T1);
opn = "lwr";
break;
case OPC_SWR: