root / target-ppc / op_mem.h @ 111bfab3
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/* External helpers */
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void glue(do_lsw, MEMSUFFIX) (int dst); |
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void glue(do_stsw, MEMSUFFIX) (int src); |
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static inline uint16_t glue(ld16r, MEMSUFFIX) (target_ulong EA) |
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{
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uint16_t tmp = glue(lduw, MEMSUFFIX)(EA); |
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return ((tmp & 0xFF00) >> 8) | ((tmp & 0x00FF) << 8); |
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} |
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static inline int32_t glue(ld16rs, MEMSUFFIX) (target_ulong EA) |
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{
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int16_t tmp = glue(lduw, MEMSUFFIX)(EA); |
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return ((tmp & 0xFF00) >> 8) | ((tmp & 0x00FF) << 8); |
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} |
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static inline uint32_t glue(ld32r, MEMSUFFIX) (target_ulong EA) |
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{
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uint32_t tmp = glue(ldl, MEMSUFFIX)(EA); |
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return ((tmp & 0xFF000000) >> 24) | ((tmp & 0x00FF0000) >> 8) | |
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((tmp & 0x0000FF00) << 8) | ((tmp & 0x000000FF) << 24); |
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} |
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static inline void glue(st16r, MEMSUFFIX) (target_ulong EA, uint16_t data) |
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{
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uint16_t tmp = ((data & 0xFF00) >> 8) | ((data & 0x00FF) << 8); |
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glue(stw, MEMSUFFIX)(EA, tmp); |
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} |
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static inline void glue(st32r, MEMSUFFIX) (target_ulong EA, uint32_t data) |
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{
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uint32_t tmp = ((data & 0xFF000000) >> 24) | ((data & 0x00FF0000) >> 8) | |
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((data & 0x0000FF00) << 8) | ((data & 0x000000FF) << 24); |
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glue(stl, MEMSUFFIX)(EA, tmp); |
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} |
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/*** Integer load ***/
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#define PPC_LD_OP(name, op) \
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PPC_OP(glue(glue(l, name), MEMSUFFIX)) \ |
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{ \
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T1 = glue(op, MEMSUFFIX)(T0); \ |
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RETURN(); \ |
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} |
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#define PPC_ST_OP(name, op) \
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PPC_OP(glue(glue(st, name), MEMSUFFIX)) \ |
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{ \
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glue(op, MEMSUFFIX)(T0, T1); \ |
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RETURN(); \ |
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} |
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PPC_LD_OP(bz, ldub); |
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PPC_LD_OP(ha, ldsw); |
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PPC_LD_OP(hz, lduw); |
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PPC_LD_OP(wz, ldl); |
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PPC_LD_OP(ha_le, ld16rs); |
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PPC_LD_OP(hz_le, ld16r); |
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PPC_LD_OP(wz_le, ld32r); |
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/*** Integer store ***/
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PPC_ST_OP(b, stb); |
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PPC_ST_OP(h, stw); |
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PPC_ST_OP(w, stl); |
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PPC_ST_OP(h_le, st16r); |
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PPC_ST_OP(w_le, st32r); |
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/*** Integer load and store with byte reverse ***/
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PPC_LD_OP(hbr, ld16r); |
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PPC_LD_OP(wbr, ld32r); |
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PPC_ST_OP(hbr, st16r); |
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PPC_ST_OP(wbr, st32r); |
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PPC_LD_OP(hbr_le, lduw); |
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PPC_LD_OP(wbr_le, ldl); |
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PPC_ST_OP(hbr_le, stw); |
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PPC_ST_OP(wbr_le, stl); |
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/*** Integer load and store multiple ***/
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PPC_OP(glue(lmw, MEMSUFFIX)) |
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{
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int dst = PARAM(1); |
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for (; dst < 32; dst++, T0 += 4) { |
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ugpr(dst) = glue(ldl, MEMSUFFIX)(T0); |
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} |
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RETURN(); |
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} |
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PPC_OP(glue(stmw, MEMSUFFIX)) |
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{
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int src = PARAM(1); |
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for (; src < 32; src++, T0 += 4) { |
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glue(stl, MEMSUFFIX)(T0, ugpr(src)); |
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} |
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RETURN(); |
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} |
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PPC_OP(glue(lmw_le, MEMSUFFIX)) |
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{
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int dst = PARAM(1); |
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for (; dst < 32; dst++, T0 += 4) { |
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ugpr(dst) = glue(ld32r, MEMSUFFIX)(T0); |
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} |
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RETURN(); |
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} |
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PPC_OP(glue(stmw_le, MEMSUFFIX)) |
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{
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int src = PARAM(1); |
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for (; src < 32; src++, T0 += 4) { |
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glue(st32r, MEMSUFFIX)(T0, ugpr(src)); |
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} |
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RETURN(); |
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} |
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/*** Integer load and store strings ***/
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PPC_OP(glue(lswi, MEMSUFFIX)) |
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{
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glue(do_lsw, MEMSUFFIX)(PARAM(1));
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RETURN(); |
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} |
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void glue(do_lsw_le, MEMSUFFIX) (int dst); |
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PPC_OP(glue(lswi_le, MEMSUFFIX)) |
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{
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glue(do_lsw_le, MEMSUFFIX)(PARAM(1));
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RETURN(); |
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} |
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/* PPC32 specification says we must generate an exception if
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* rA is in the range of registers to be loaded.
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* In an other hand, IBM says this is valid, but rA won't be loaded.
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* For now, I'll follow the spec...
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*/
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PPC_OP(glue(lswx, MEMSUFFIX)) |
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{
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if (T1 > 0) { |
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if ((PARAM(1) < PARAM(2) && (PARAM(1) + T1) > PARAM(2)) || |
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(PARAM(1) < PARAM(3) && (PARAM(1) + T1) > PARAM(3))) { |
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do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX); |
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} else {
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glue(do_lsw, MEMSUFFIX)(PARAM(1));
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} |
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} |
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RETURN(); |
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} |
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PPC_OP(glue(lswx_le, MEMSUFFIX)) |
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{
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if (T1 > 0) { |
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if ((PARAM(1) < PARAM(2) && (PARAM(1) + T1) > PARAM(2)) || |
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(PARAM(1) < PARAM(3) && (PARAM(1) + T1) > PARAM(3))) { |
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do_raise_exception_err(EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX); |
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} else {
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glue(do_lsw_le, MEMSUFFIX)(PARAM(1));
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} |
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} |
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RETURN(); |
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} |
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PPC_OP(glue(stsw, MEMSUFFIX)) |
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{
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glue(do_stsw, MEMSUFFIX)(PARAM(1));
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RETURN(); |
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} |
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void glue(do_stsw_le, MEMSUFFIX) (int src); |
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PPC_OP(glue(stsw_le, MEMSUFFIX)) |
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{
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glue(do_stsw_le, MEMSUFFIX)(PARAM(1));
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RETURN(); |
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} |
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/*** Floating-point store ***/
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#define PPC_STF_OP(name, op) \
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PPC_OP(glue(glue(st, name), MEMSUFFIX)) \ |
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{ \
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glue(op, MEMSUFFIX)(T0, FT1); \ |
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RETURN(); \ |
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} |
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PPC_STF_OP(fd, stfq); |
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PPC_STF_OP(fs, stfl); |
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static inline void glue(stfqr, MEMSUFFIX) (target_ulong EA, double d) |
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{
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union {
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double d;
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uint64_t u; |
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} u; |
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u.d = d; |
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u.u = ((u.u & 0xFF00000000000000ULL) >> 56) | |
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((u.u & 0x00FF000000000000ULL) >> 40) | |
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((u.u & 0x0000FF0000000000ULL) >> 24) | |
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((u.u & 0x000000FF00000000ULL) >> 8) | |
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((u.u & 0x00000000FF000000ULL) << 8) | |
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((u.u & 0x0000000000FF0000ULL) << 24) | |
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((u.u & 0x000000000000FF00ULL) << 40) | |
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((u.u & 0x00000000000000FFULL) << 56); |
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glue(stfq, MEMSUFFIX)(EA, u.d); |
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} |
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static inline void glue(stflr, MEMSUFFIX) (target_ulong EA, float f) |
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{
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union {
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float f;
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uint32_t u; |
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} u; |
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u.f = f; |
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u.u = ((u.u & 0xFF000000UL) >> 24) | |
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((u.u & 0x00FF0000ULL) >> 8) | |
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((u.u & 0x0000FF00UL) << 8) | |
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((u.u & 0x000000FFULL) << 24); |
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glue(stfl, MEMSUFFIX)(EA, u.f); |
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} |
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PPC_STF_OP(fd_le, stfqr); |
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PPC_STF_OP(fs_le, stflr); |
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/*** Floating-point load ***/
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#define PPC_LDF_OP(name, op) \
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PPC_OP(glue(glue(l, name), MEMSUFFIX)) \ |
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{ \
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FT1 = glue(op, MEMSUFFIX)(T0); \ |
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RETURN(); \ |
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} |
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PPC_LDF_OP(fd, ldfq); |
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PPC_LDF_OP(fs, ldfl); |
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static inline double glue(ldfqr, MEMSUFFIX) (target_ulong EA) |
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{
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union {
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double d;
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uint64_t u; |
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} u; |
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u.d = glue(ldfq, MEMSUFFIX)(EA); |
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u.u = ((u.u & 0xFF00000000000000ULL) >> 56) | |
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((u.u & 0x00FF000000000000ULL) >> 40) | |
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((u.u & 0x0000FF0000000000ULL) >> 24) | |
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((u.u & 0x000000FF00000000ULL) >> 8) | |
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((u.u & 0x00000000FF000000ULL) << 8) | |
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((u.u & 0x0000000000FF0000ULL) << 24) | |
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((u.u & 0x000000000000FF00ULL) << 40) | |
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((u.u & 0x00000000000000FFULL) << 56); |
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return u.d;
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} |
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static inline float glue(ldflr, MEMSUFFIX) (target_ulong EA) |
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{
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union {
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float f;
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uint32_t u; |
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} u; |
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u.f = glue(ldfl, MEMSUFFIX)(EA); |
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u.u = ((u.u & 0xFF000000UL) >> 24) | |
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((u.u & 0x00FF0000ULL) >> 8) | |
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((u.u & 0x0000FF00UL) << 8) | |
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((u.u & 0x000000FFULL) << 24); |
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return u.f;
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} |
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PPC_LDF_OP(fd_le, ldfqr); |
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PPC_LDF_OP(fs_le, ldflr); |
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/* Load and set reservation */
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PPC_OP(glue(lwarx, MEMSUFFIX)) |
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{
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if (T0 & 0x03) { |
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do_raise_exception(EXCP_ALIGN); |
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} else {
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T1 = glue(ldl, MEMSUFFIX)(T0); |
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regs->reserve = T0; |
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} |
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RETURN(); |
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} |
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PPC_OP(glue(lwarx_le, MEMSUFFIX)) |
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{
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if (T0 & 0x03) { |
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do_raise_exception(EXCP_ALIGN); |
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} else {
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T1 = glue(ld32r, MEMSUFFIX)(T0); |
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regs->reserve = T0; |
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} |
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RETURN(); |
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} |
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/* Store with reservation */
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PPC_OP(glue(stwcx, MEMSUFFIX)) |
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{
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if (T0 & 0x03) { |
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do_raise_exception(EXCP_ALIGN); |
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} else {
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if (regs->reserve != T0) {
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env->crf[0] = xer_ov;
|
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} else {
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glue(stl, MEMSUFFIX)(T0, T1); |
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env->crf[0] = xer_ov | 0x02; |
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} |
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} |
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regs->reserve = 0;
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RETURN(); |
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} |
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PPC_OP(glue(stwcx_le, MEMSUFFIX)) |
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{
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if (T0 & 0x03) { |
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do_raise_exception(EXCP_ALIGN); |
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} else {
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if (regs->reserve != T0) {
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env->crf[0] = xer_ov;
|
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} else {
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glue(st32r, MEMSUFFIX)(T0, T1); |
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env->crf[0] = xer_ov | 0x02; |
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} |
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} |
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regs->reserve = 0;
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RETURN(); |
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} |
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|
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PPC_OP(glue(dcbz, MEMSUFFIX)) |
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{
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glue(stl, MEMSUFFIX)(T0 + 0x00, 0); |
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glue(stl, MEMSUFFIX)(T0 + 0x04, 0); |
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glue(stl, MEMSUFFIX)(T0 + 0x08, 0); |
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glue(stl, MEMSUFFIX)(T0 + 0x0C, 0); |
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glue(stl, MEMSUFFIX)(T0 + 0x10, 0); |
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glue(stl, MEMSUFFIX)(T0 + 0x14, 0); |
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glue(stl, MEMSUFFIX)(T0 + 0x18, 0); |
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glue(stl, MEMSUFFIX)(T0 + 0x1C, 0); |
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RETURN(); |
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} |
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|
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/* External access */
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PPC_OP(glue(eciwx, MEMSUFFIX)) |
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{
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T1 = glue(ldl, MEMSUFFIX)(T0); |
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RETURN(); |
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} |
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PPC_OP(glue(ecowx, MEMSUFFIX)) |
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{
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glue(stl, MEMSUFFIX)(T0, T1); |
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RETURN(); |
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} |
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|
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PPC_OP(glue(eciwx_le, MEMSUFFIX)) |
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{
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T1 = glue(ld32r, MEMSUFFIX)(T0); |
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RETURN(); |
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} |
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|
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PPC_OP(glue(ecowx_le, MEMSUFFIX)) |
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{
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glue(st32r, MEMSUFFIX)(T0, T1); |
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RETURN(); |
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} |
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|
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#undef MEMSUFFIX
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