/* This file is part of the program psim. Copyright (C) 1994-1997, Andrew Cagney This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef N #error "N must be #defined" #endif #include "sim-xcat.h" /* NOTE: see end of file for #undef of these macros */ #define unsigned_N XCONCAT2(unsigned_,N) #define T2H_N XCONCAT2(T2H_,N) #define H2T_N XCONCAT2(H2T_,N) #define sim_core_read_aligned_N XCONCAT2(sim_core_read_aligned_,N) #define sim_core_write_aligned_N XCONCAT2(sim_core_write_aligned_,N) #define sim_core_read_unaligned_N XCONCAT2(sim_core_read_unaligned_,N) #define sim_core_write_unaligned_N XCONCAT2(sim_core_write_unaligned_,N) /* TAGS: sim_core_read_aligned_1 sim_core_read_aligned_2 */ /* TAGS: sim_core_read_aligned_4 sim_core_read_aligned_8 */ /* TAGS: sim_core_read_aligned_word */ INLINE_SIM_CORE(unsigned_N) sim_core_read_aligned_N(sim_cpu *cpu, sim_cia cia, sim_core_maps map, unsigned_word xaddr) { sim_cpu_core *cpu_core = CPU_CORE (cpu); sim_core_common *core = &cpu_core->common; unsigned_N val; sim_core_mapping *mapping; address_word addr; if (WITH_XOR_ENDIAN) addr = xaddr ^ cpu_core->xor[(sizeof(unsigned_N) - 1) % WITH_XOR_ENDIAN]; else addr = xaddr; mapping = sim_core_find_mapping (core, map, addr, sizeof (unsigned_N), read_transfer, 1 /*abort*/, cpu, cia); #if (WITH_DEVICES) if (WITH_CALLBACK_MEMORY && mapping->device != NULL) { unsigned_N data; if (device_io_read_buffer (mapping->device, &data, mapping->space, addr, sizeof (unsigned_N)) != sizeof (unsigned_N)) device_error (mapping->device, "internal error - %s - io_read_buffer should not fail", XSTRING (sim_core_read_aligned_N)); val = T2H_N (data); } else #endif val = T2H_N (*(unsigned_N*) sim_core_translate (mapping, addr)); if (TRACE_P (cpu, TRACE_CORE_IDX)) if (sizeof (unsigned_N) > 4) trace_printf (CPU_STATE (cpu), cpu, "sim-n-core.h:%d: read-%d %s:0x%08lx -> 0x%08lx%08lx\n", __LINE__, sizeof (unsigned_N), sim_core_map_to_str (map), (unsigned long) addr, (unsigned long) (((unsigned64)(val)) >> 32), (unsigned long) val); else trace_printf (CPU_STATE (cpu), cpu, "sim-n-core.h:%d: read-%d %s:0x%08lx -> 0x%0*lx\n", __LINE__, sizeof (unsigned_N), sim_core_map_to_str (map), (unsigned long) addr, sizeof (unsigned_N) * 2, (unsigned long) val); return val; } /* TAGS: sim_core_read_unaligned_1 sim_core_read_unaligned_2 */ /* TAGS: sim_core_read_unaligned_4 sim_core_read_unaligned_8 */ /* TAGS: sim_core_read_unaligned_word */ INLINE_SIM_CORE(unsigned_N) sim_core_read_unaligned_N(sim_cpu *cpu, sim_cia cia, sim_core_maps map, address_word addr) { int alignment = sizeof (unsigned_N) - 1; /* if hardwired to forced alignment just do it */ if (WITH_ALIGNMENT == FORCED_ALIGNMENT) return sim_core_read_aligned_N (cpu, cia, map, addr & ~alignment); else if ((addr & alignment) == 0) return sim_core_read_aligned_N (cpu, cia, map, addr); else switch (CURRENT_ALIGNMENT) { case STRICT_ALIGNMENT: SIM_CORE_SIGNAL (CPU_STATE (cpu), cpu, cia, map, sizeof (unsigned_N), addr, read_transfer, sim_core_unaligned_signal); return -1; case NONSTRICT_ALIGNMENT: { unsigned_N val; if (sim_core_xor_read_buffer (CPU_STATE (cpu), cpu, map, &val, addr, sizeof(unsigned_N)) != sizeof(unsigned_N)) SIM_CORE_SIGNAL (CPU_STATE (cpu), cpu, cia, map, sizeof (unsigned_N), addr, read_transfer, sim_core_unaligned_signal); val = T2H_N(val); return val; } case FORCED_ALIGNMENT: return sim_core_read_aligned_N (cpu, cia, map, addr & ~alignment); case MIXED_ALIGNMENT: sim_engine_abort (CPU_STATE (cpu), cpu, cia, "internal error - %s - mixed alignment", XSTRING (sim_core_read_unaligned_N)); return 0; default: sim_engine_abort (CPU_STATE (cpu), cpu, cia, "internal error - %s - bad switch", XSTRING (sim_core_read_unaligned_N)); return 0; } } /* TAGS: sim_core_write_aligned_1 sim_core_write_aligned_2 */ /* TAGS: sim_core_write_aligned_4 sim_core_write_aligned_8 */ /* TAGS: sim_core_write_aligned_word */ INLINE_SIM_CORE(void) sim_core_write_aligned_N(sim_cpu *cpu, sim_cia cia, sim_core_maps map, unsigned_word xaddr, unsigned_N val) { sim_cpu_core *cpu_core = CPU_CORE (cpu); sim_core_common *core = &cpu_core->common; sim_core_mapping *mapping; address_word addr; if (WITH_XOR_ENDIAN) addr = xaddr ^ cpu_core->xor[(sizeof(unsigned_N) - 1) % WITH_XOR_ENDIAN]; else addr = xaddr; mapping = sim_core_find_mapping(core, map, addr, sizeof (unsigned_N), write_transfer, 1 /*abort*/, cpu, cia); #if (WITH_DEVICES) if (WITH_CALLBACK_MEMORY && mapping->device != NULL) { unsigned_N data = H2T_N (val); if (device_io_write_buffer (mapping->device, &data, mapping->space, addr, sizeof (unsigned_N), /* nr_bytes */ cpu, cia) != sizeof (unsigned_N)) device_error (mapping->device, "internal error - %s - io_write_buffer should not fail", XSTRING (sim_core_write_aligned_N)); } else #endif *(unsigned_N*) sim_core_translate (mapping, addr) = H2T_N (val); if (TRACE_P (cpu, TRACE_CORE_IDX)) if (sizeof (unsigned_N) > 4) trace_printf (CPU_STATE (cpu), cpu, "sim-n-core.h:%d: write-%d %s:0x%08lx <- 0x%08lx%08lx\n", __LINE__, sizeof (unsigned_N), sim_core_map_to_str (map), (unsigned long) addr, (unsigned long) (((unsigned64)(val)) >> 32), (unsigned long) val); else trace_printf (CPU_STATE (cpu), cpu, "sim-n-core.h:%d: write-%d %s:0x%08lx <- 0x%0*lx\n", __LINE__, sizeof (unsigned_N), sim_core_map_to_str (map), (unsigned long) addr, sizeof (unsigned_N) * 2, (unsigned long) val); } /* TAGS: sim_core_write_unaligned_1 sim_core_write_unaligned_2 */ /* TAGS: sim_core_write_unaligned_4 sim_core_write_unaligned_8 */ /* TAGS: sim_core_write_unaligned_word */ INLINE_SIM_CORE(void) sim_core_write_unaligned_N(sim_cpu *cpu, sim_cia cia, sim_core_maps map, address_word addr, unsigned_N val) { int alignment = sizeof (unsigned_N) - 1; /* if hardwired to forced alignment just do it */ if (WITH_ALIGNMENT == FORCED_ALIGNMENT) sim_core_write_aligned_N (cpu, cia, map, addr & ~alignment, val); else if ((addr & alignment) == 0) sim_core_write_aligned_N (cpu, cia, map, addr, val); else switch (CURRENT_ALIGNMENT) { case STRICT_ALIGNMENT: SIM_CORE_SIGNAL (CPU_STATE (cpu), cpu, cia, map, sizeof (unsigned_N), addr, write_transfer, sim_core_unaligned_signal); break; case NONSTRICT_ALIGNMENT: { unsigned_N val = H2T_N (val); if (sim_core_xor_write_buffer (CPU_STATE (cpu), cpu, map, &val, addr, sizeof(unsigned_N)) != sizeof(unsigned_N)) SIM_CORE_SIGNAL (CPU_STATE (cpu), cpu, cia, map, sizeof (unsigned_N), addr, write_transfer, sim_core_unaligned_signal); break; } case FORCED_ALIGNMENT: sim_core_write_aligned_N (cpu, cia, map, addr & ~alignment, val); break; case MIXED_ALIGNMENT: sim_engine_abort (CPU_STATE (cpu), cpu, cia, "internal error - %s - mixed alignment", XSTRING (sim_core_write_unaligned_N)); break; default: sim_engine_abort (CPU_STATE (cpu), cpu, cia, "internal error - %s - bad switch", XSTRING (sim_core_write_unaligned_N)); break; } } /* NOTE: see start of file for #define of these macros */ #undef unsigned_N #undef T2H_N #undef H2T_N #undef sim_core_read_aligned_N #undef sim_core_write_aligned_N #undef sim_core_read_unaligned_N #undef sim_core_write_unaligned_N