diff options
Diffstat (limited to 'target-ppc/op_mem.h')
| -rw-r--r-- | target-ppc/op_mem.h | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/target-ppc/op_mem.h b/target-ppc/op_mem.h new file mode 100644 index 0000000..9b3f721 --- /dev/null +++ b/target-ppc/op_mem.h @@ -0,0 +1,371 @@ +/* External helpers */ +void glue(do_lsw, MEMSUFFIX) (int dst); +void glue(do_stsw, MEMSUFFIX) (int src); + +static inline uint16_t glue(ld16r, MEMSUFFIX) (target_ulong EA) +{ + uint16_t tmp = glue(lduw, MEMSUFFIX)(EA); + return ((tmp & 0xFF00) >> 8) | ((tmp & 0x00FF) << 8); +} + +static inline int32_t glue(ld16rs, MEMSUFFIX) (target_ulong EA) +{ + int16_t tmp = glue(lduw, MEMSUFFIX)(EA); + return ((tmp & 0xFF00) >> 8) | ((tmp & 0x00FF) << 8); +} + +static inline uint32_t glue(ld32r, MEMSUFFIX) (target_ulong EA) +{ + uint32_t tmp = glue(ldl, MEMSUFFIX)(EA); + return ((tmp & 0xFF000000) >> 24) | ((tmp & 0x00FF0000) >> 8) | + ((tmp & 0x0000FF00) << 8) | ((tmp & 0x000000FF) << 24); +} + +static inline void glue(st16r, MEMSUFFIX) (target_ulong EA, uint16_t data) +{ + uint16_t tmp = ((data & 0xFF00) >> 8) | ((data & 0x00FF) << 8); + glue(stw, MEMSUFFIX)(EA, tmp); +} + +static inline void glue(st32r, MEMSUFFIX) (target_ulong EA, uint32_t data) +{ + uint32_t tmp = ((data & 0xFF000000) >> 24) | ((data & 0x00FF0000) >> 8) | + ((data & 0x0000FF00) << 8) | ((data & 0x000000FF) << 24); + glue(stl, MEMSUFFIX)(EA, tmp); +} + +/*** Integer load ***/ +#define PPC_LD_OP(name, op) \ +PPC_OP(glue(glue(l, name), MEMSUFFIX)) \ +{ \ + T1 = glue(op, MEMSUFFIX)(T0); \ + RETURN(); \ +} + +#define PPC_ST_OP(name, op) \ +PPC_OP(glue(glue(st, name), MEMSUFFIX)) \ +{ \ + glue(op, MEMSUFFIX)(T0, T1); \ + RETURN(); \ +} + +PPC_LD_OP(bz, ldub); +PPC_LD_OP(ha, ldsw); +PPC_LD_OP(hz, lduw); +PPC_LD_OP(wz, ldl); + +PPC_LD_OP(ha_le, ld16rs); +PPC_LD_OP(hz_le, ld16r); +PPC_LD_OP(wz_le, ld32r); + +/*** Integer store ***/ +PPC_ST_OP(b, stb); +PPC_ST_OP(h, stw); +PPC_ST_OP(w, stl); + +PPC_ST_OP(h_le, st16r); +PPC_ST_OP(w_le, st32r); + +/*** Integer load and store with byte reverse ***/ +PPC_LD_OP(hbr, ld16r); +PPC_LD_OP(wbr, ld32r); +PPC_ST_OP(hbr, st16r); +PPC_ST_OP(wbr, st32r); + +PPC_LD_OP(hbr_le, lduw); +PPC_LD_OP(wbr_le, ldl); +PPC_ST_OP(hbr_le, stw); +PPC_ST_OP(wbr_le, stl); + +/*** Integer load and store multiple ***/ +PPC_OP(glue(lmw, MEMSUFFIX)) +{ + int dst = PARAM(1); + + for (; dst < 32; dst++, T0 += 4) { + ugpr(dst) = glue(ldl, MEMSUFFIX)(T0); + } + RETURN(); +} + +PPC_OP(glue(stmw, MEMSUFFIX)) +{ + int src = PARAM(1); + + for (; src < 32; src++, T0 += 4) { + glue(stl, MEMSUFFIX)(T0, ugpr(src)); + } + RETURN(); +} + +PPC_OP(glue(lmw_le, MEMSUFFIX)) +{ + int dst = PARAM(1); + + for (; dst < 32; dst++, T0 += 4) { + ugpr(dst) = glue(ld32r, MEMSUFFIX)(T0); + } + RETURN(); +} + +PPC_OP(glue(stmw_le, MEMSUFFIX)) +{ + int src = PARAM(1); + + for (; src < 32; src++, T0 += 4) { + glue(st32r, MEMSUFFIX)(T0, ugpr(src)); + } + RETURN(); +} + +/*** Integer load and store strings ***/ +PPC_OP(glue(lswi, MEMSUFFIX)) +{ + glue(do_lsw, MEMSUFFIX)(PARAM(1)); + RETURN(); +} + +void glue(do_lsw_le, MEMSUFFIX) (int dst); +PPC_OP(glue(lswi_le, MEMSUFFIX)) +{ + glue(do_lsw_le, MEMSUFFIX)(PARAM(1)); + RETURN(); +} + +/* PPC32 specification says we must generate an exception if + * rA is in the range of registers to be loaded. + * In an other hand, IBM says this is valid, but rA won't be loaded. + * For now, I'll follow the spec... + */ +PPC_OP(glue(lswx, MEMSUFFIX)) +{ + if (T1 > 0) { + if ((PARAM(1) < PARAM(2) && (PARAM(1) + T1) > PARAM(2)) || + (PARAM(1) < PARAM(3) && (PARAM(1) + T1) > PARAM(3))) { + do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX); + } else { + glue(do_lsw, MEMSUFFIX)(PARAM(1)); + } + } + RETURN(); +} + +PPC_OP(glue(lswx_le, MEMSUFFIX)) +{ + if (T1 > 0) { + if ((PARAM(1) < PARAM(2) && (PARAM(1) + T1) > PARAM(2)) || + (PARAM(1) < PARAM(3) && (PARAM(1) + T1) > PARAM(3))) { + do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX); + } else { + glue(do_lsw_le, MEMSUFFIX)(PARAM(1)); + } + } + RETURN(); +} + +PPC_OP(glue(stsw, MEMSUFFIX)) +{ + glue(do_stsw, MEMSUFFIX)(PARAM(1)); + RETURN(); +} + +void glue(do_stsw_le, MEMSUFFIX) (int src); +PPC_OP(glue(stsw_le, MEMSUFFIX)) +{ + glue(do_stsw_le, MEMSUFFIX)(PARAM(1)); + RETURN(); +} + +/*** Floating-point store ***/ +#define PPC_STF_OP(name, op) \ +PPC_OP(glue(glue(st, name), MEMSUFFIX)) \ +{ \ + glue(op, MEMSUFFIX)(T0, FT1); \ + RETURN(); \ +} + +PPC_STF_OP(fd, stfq); +PPC_STF_OP(fs, stfl); + +static inline void glue(stfqr, MEMSUFFIX) (target_ulong EA, double d) +{ + union { + double d; + uint64_t u; + } u; + + u.d = d; + u.u = ((u.u & 0xFF00000000000000ULL) >> 56) | + ((u.u & 0x00FF000000000000ULL) >> 40) | + ((u.u & 0x0000FF0000000000ULL) >> 24) | + ((u.u & 0x000000FF00000000ULL) >> 8) | + ((u.u & 0x00000000FF000000ULL) << 8) | + ((u.u & 0x0000000000FF0000ULL) << 24) | + ((u.u & 0x000000000000FF00ULL) << 40) | + ((u.u & 0x00000000000000FFULL) << 56); + glue(stfq, MEMSUFFIX)(EA, u.d); +} + +static inline void glue(stflr, MEMSUFFIX) (target_ulong EA, float f) +{ + union { + float f; + uint32_t u; + } u; + + u.f = f; + u.u = ((u.u & 0xFF000000UL) >> 24) | + ((u.u & 0x00FF0000ULL) >> 8) | + ((u.u & 0x0000FF00UL) << 8) | + ((u.u & 0x000000FFULL) << 24); + glue(stfl, MEMSUFFIX)(EA, u.f); +} + +PPC_STF_OP(fd_le, stfqr); +PPC_STF_OP(fs_le, stflr); + +/*** Floating-point load ***/ +#define PPC_LDF_OP(name, op) \ +PPC_OP(glue(glue(l, name), MEMSUFFIX)) \ +{ \ + FT1 = glue(op, MEMSUFFIX)(T0); \ + RETURN(); \ +} + +PPC_LDF_OP(fd, ldfq); +PPC_LDF_OP(fs, ldfl); + +static inline double glue(ldfqr, MEMSUFFIX) (target_ulong EA) +{ + union { + double d; + uint64_t u; + } u; + + u.d = glue(ldfq, MEMSUFFIX)(EA); + u.u = ((u.u & 0xFF00000000000000ULL) >> 56) | + ((u.u & 0x00FF000000000000ULL) >> 40) | + ((u.u & 0x0000FF0000000000ULL) >> 24) | + ((u.u & 0x000000FF00000000ULL) >> 8) | + ((u.u & 0x00000000FF000000ULL) << 8) | + ((u.u & 0x0000000000FF0000ULL) << 24) | + ((u.u & 0x000000000000FF00ULL) << 40) | + ((u.u & 0x00000000000000FFULL) << 56); + + return u.d; +} + +static inline float glue(ldflr, MEMSUFFIX) (target_ulong EA) +{ + union { + float f; + uint32_t u; + } u; + + u.f = glue(ldfl, MEMSUFFIX)(EA); + u.u = ((u.u & 0xFF000000UL) >> 24) | + ((u.u & 0x00FF0000ULL) >> 8) | + ((u.u & 0x0000FF00UL) << 8) | + ((u.u & 0x000000FFULL) << 24); + + return u.f; +} + +PPC_LDF_OP(fd_le, ldfqr); +PPC_LDF_OP(fs_le, ldflr); + +/* Load and set reservation */ +PPC_OP(glue(lwarx, MEMSUFFIX)) +{ + if (T0 & 0x03) { + do_raise_exception(EXCP_ALIGN); + } else { + T1 = glue(ldl, MEMSUFFIX)(T0); + regs->reserve = T0; + } + RETURN(); +} + +PPC_OP(glue(lwarx_le, MEMSUFFIX)) +{ + if (T0 & 0x03) { + do_raise_exception(EXCP_ALIGN); + } else { + T1 = glue(ld32r, MEMSUFFIX)(T0); + regs->reserve = T0; + } + RETURN(); +} + +/* Store with reservation */ +PPC_OP(glue(stwcx, MEMSUFFIX)) +{ + if (T0 & 0x03) { + do_raise_exception(EXCP_ALIGN); + } else { + if (regs->reserve != T0) { + env->crf[0] = xer_ov; + } else { + glue(stl, MEMSUFFIX)(T0, T1); + env->crf[0] = xer_ov | 0x02; + } + } + regs->reserve = 0; + RETURN(); +} + +PPC_OP(glue(stwcx_le, MEMSUFFIX)) +{ + if (T0 & 0x03) { + do_raise_exception(EXCP_ALIGN); + } else { + if (regs->reserve != T0) { + env->crf[0] = xer_ov; + } else { + glue(st32r, MEMSUFFIX)(T0, T1); + env->crf[0] = xer_ov | 0x02; + } + } + regs->reserve = 0; + RETURN(); +} + +PPC_OP(glue(dcbz, MEMSUFFIX)) +{ + glue(stl, MEMSUFFIX)(T0 + 0x00, 0); + glue(stl, MEMSUFFIX)(T0 + 0x04, 0); + glue(stl, MEMSUFFIX)(T0 + 0x08, 0); + glue(stl, MEMSUFFIX)(T0 + 0x0C, 0); + glue(stl, MEMSUFFIX)(T0 + 0x10, 0); + glue(stl, MEMSUFFIX)(T0 + 0x14, 0); + glue(stl, MEMSUFFIX)(T0 + 0x18, 0); + glue(stl, MEMSUFFIX)(T0 + 0x1C, 0); + RETURN(); +} + +/* External access */ +PPC_OP(glue(eciwx, MEMSUFFIX)) +{ + T1 = glue(ldl, MEMSUFFIX)(T0); + RETURN(); +} + +PPC_OP(glue(ecowx, MEMSUFFIX)) +{ + glue(stl, MEMSUFFIX)(T0, T1); + RETURN(); +} + +PPC_OP(glue(eciwx_le, MEMSUFFIX)) +{ + T1 = glue(ld32r, MEMSUFFIX)(T0); + RETURN(); +} + +PPC_OP(glue(ecowx_le, MEMSUFFIX)) +{ + glue(st32r, MEMSUFFIX)(T0, T1); + RETURN(); +} + +#undef MEMSUFFIX |