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/* |
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* Copyright (C) 2005 Anders Gavare. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* |
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* $Id: cpu_ppc.c,v 1.85 2005/08/15 05:59:53 debug Exp $ |
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* |
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* PowerPC/POWER CPU emulation. |
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*/ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <ctype.h> |
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|
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#include "misc.h" |
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|
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|
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#ifndef ENABLE_PPC |
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|
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|
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#include "cpu_ppc.h" |
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|
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|
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/* |
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* ppc_cpu_family_init(): |
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* |
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* Bogus function. |
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*/ |
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int ppc_cpu_family_init(struct cpu_family *fp) |
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{ |
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return 0; |
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} |
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|
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|
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#else /* ENABLE_PPC */ |
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|
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|
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#include "cpu.h" |
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#include "cpu_ppc.h" |
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#include "machine.h" |
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#include "memory.h" |
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#include "opcodes_ppc.h" |
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#include "symbol.h" |
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|
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#define DYNTRANS_DUALMODE_32 |
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#define DYNTRANS_32 |
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#include "tmp_ppc_head.c" |
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|
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|
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/* |
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* ppc_cpu_new(): |
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* |
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* Create a new PPC cpu object. |
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* |
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* Returns 1 on success, 0 if there was no matching PPC processor with |
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* this cpu_type_name. |
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*/ |
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int ppc_cpu_new(struct cpu *cpu, struct memory *mem, struct machine *machine, |
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int cpu_id, char *cpu_type_name) |
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{ |
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int any_cache = 0; |
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int i, found; |
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struct ppc_cpu_type_def cpu_type_defs[] = PPC_CPU_TYPE_DEFS; |
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|
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/* Scan the cpu_type_defs list for this cpu type: */ |
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i = 0; |
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found = -1; |
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while (i >= 0 && cpu_type_defs[i].name != NULL) { |
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if (strcasecmp(cpu_type_defs[i].name, cpu_type_name) == 0) { |
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found = i; |
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break; |
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} |
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i++; |
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} |
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if (found == -1) |
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return 0; |
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|
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cpu->memory_rw = ppc_memory_rw; |
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cpu->update_translation_table = ppc_update_translation_table; |
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cpu->invalidate_translation_caches_paddr = |
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ppc_invalidate_translation_caches_paddr; |
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cpu->invalidate_code_translation_caches = |
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ppc_invalidate_code_translation_caches; |
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|
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cpu->cd.ppc.cpu_type = cpu_type_defs[found]; |
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cpu->name = cpu->cd.ppc.cpu_type.name; |
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cpu->byte_order = EMUL_BIG_ENDIAN; |
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cpu->cd.ppc.mode = MODE_PPC; /* TODO */ |
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cpu->cd.ppc.of_emul_addr = 0xff000000; /* TODO */ |
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|
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/* Current operating mode: */ |
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cpu->cd.ppc.bits = cpu->cd.ppc.cpu_type.bits; |
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|
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cpu->is_32bit = (cpu->cd.ppc.bits == 32)? 1 : 0; |
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|
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/* Only show name and caches etc for CPU nr 0 (in SMP machines): */ |
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if (cpu_id == 0) { |
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debug("%s", cpu->cd.ppc.cpu_type.name); |
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|
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if (cpu->cd.ppc.cpu_type.icache_shift != 0) |
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any_cache = 1; |
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if (cpu->cd.ppc.cpu_type.dcache_shift != 0) |
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any_cache = 1; |
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if (cpu->cd.ppc.cpu_type.l2cache_shift != 0) |
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any_cache = 1; |
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|
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if (any_cache) { |
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debug(" (I+D = %i+%i KB", |
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(int)(1 << (cpu->cd.ppc.cpu_type.icache_shift-10)), |
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(int)(1 << (cpu->cd.ppc.cpu_type.dcache_shift-10))); |
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if (cpu->cd.ppc.cpu_type.l2cache_shift != 0) { |
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debug(", L2 = %i KB", |
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(int)(1 << (cpu->cd.ppc.cpu_type. |
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l2cache_shift-10))); |
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} |
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debug(")"); |
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} |
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} |
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|
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cpu->cd.ppc.pir = cpu_id; |
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|
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/* Some default stack pointer value. TODO: move this? */ |
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cpu->cd.ppc.gpr[1] = machine->physical_ram_in_mb * 1048576 - 4096; |
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|
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return 1; |
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} |
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|
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|
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/* |
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* ppc_cpu_list_available_types(): |
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* |
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* Print a list of available PPC CPU types. |
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*/ |
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void ppc_cpu_list_available_types(void) |
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{ |
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int i, j; |
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struct ppc_cpu_type_def tdefs[] = PPC_CPU_TYPE_DEFS; |
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|
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i = 0; |
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while (tdefs[i].name != NULL) { |
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debug("%s", tdefs[i].name); |
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for (j=10 - strlen(tdefs[i].name); j>0; j--) |
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debug(" "); |
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i++; |
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if ((i % 6) == 0 || tdefs[i].name == NULL) |
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debug("\n"); |
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} |
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} |
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|
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|
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/* |
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* ppc_cpu_dumpinfo(): |
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*/ |
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void ppc_cpu_dumpinfo(struct cpu *cpu) |
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{ |
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struct ppc_cpu_type_def *ct = &cpu->cd.ppc.cpu_type; |
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|
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debug(" (%i-bit ", cpu->cd.ppc.bits); |
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|
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switch (cpu->cd.ppc.mode) { |
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case MODE_PPC: |
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debug("PPC"); |
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break; |
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case MODE_POWER: |
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debug("POWER"); |
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break; |
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default: |
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debug("_INTERNAL ERROR_"); |
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} |
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|
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debug(", I+D = %i+%i KB", |
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(1 << ct->icache_shift) / 1024, |
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(1 << ct->dcache_shift) / 1024); |
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|
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if (ct->l2cache_shift) { |
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int kb = (1 << ct->l2cache_shift) / 1024; |
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debug(", L2 = %i %cB", |
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kb >= 1024? kb / 1024 : kb, |
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kb >= 1024? 'M' : 'K'); |
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} |
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|
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debug(")\n"); |
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} |
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|
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|
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/* |
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* reg_access_msr(): |
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*/ |
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void reg_access_msr(struct cpu *cpu, uint64_t *valuep, int writeflag) |
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{ |
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if (valuep == NULL) { |
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fatal("reg_access_msr(): NULL\n"); |
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return; |
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} |
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|
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if (writeflag) |
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cpu->cd.ppc.msr = *valuep; |
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|
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/* TODO: Is the little-endian bit writable? */ |
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|
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cpu->cd.ppc.msr &= ~PPC_MSR_LE; |
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if (cpu->byte_order != EMUL_BIG_ENDIAN) |
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cpu->cd.ppc.msr |= PPC_MSR_LE; |
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|
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if (!writeflag) |
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*valuep = cpu->cd.ppc.msr; |
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} |
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|
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|
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/* |
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* ppc_cpu_register_dump(): |
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* |
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* Dump cpu registers in a relatively readable format. |
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* |
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* gprs: set to non-zero to dump GPRs and some special-purpose registers. |
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* coprocs: set bit 0..3 to dump registers in coproc 0..3. |
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*/ |
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void ppc_cpu_register_dump(struct cpu *cpu, int gprs, int coprocs) |
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{ |
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char *symbol; |
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uint64_t offset, tmp; |
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int i, x = cpu->cpu_id; |
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int bits32 = cpu->cd.ppc.bits == 32; |
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|
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if (gprs) { |
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/* Special registers (pc, ...) first: */ |
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symbol = get_symbol_name(&cpu->machine->symbol_context, |
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cpu->pc, &offset); |
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|
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debug("cpu%i: pc = 0x", x); |
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if (bits32) |
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debug("%08x", (int)cpu->pc); |
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else |
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debug("%016llx", (long long)cpu->pc); |
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debug(" <%s>\n", symbol != NULL? symbol : " no symbol "); |
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|
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debug("cpu%i: lr = 0x", x); |
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if (bits32) |
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debug("%08x", (int)cpu->cd.ppc.lr); |
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else |
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debug("%016llx", (long long)cpu->cd.ppc.lr); |
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debug(" cr = 0x%08x\n", (int)cpu->cd.ppc.cr); |
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|
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debug("cpu%i: ctr = 0x", x); |
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if (bits32) |
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debug("%08x", (int)cpu->cd.ppc.ctr); |
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else |
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debug("%016llx", (long long)cpu->cd.ppc.ctr); |
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|
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debug(" xer = 0x", x); |
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if (bits32) |
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debug("%08x\n", (int)cpu->cd.ppc.xer); |
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else |
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debug("%016llx\n", (long long)cpu->cd.ppc.xer); |
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|
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if (bits32) { |
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/* 32-bit: */ |
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for (i=0; i<PPC_NGPRS; i++) { |
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if ((i % 4) == 0) |
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debug("cpu%i:", x); |
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debug(" r%02i = 0x%08x ", i, |
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(int)cpu->cd.ppc.gpr[i]); |
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if ((i % 4) == 3) |
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debug("\n"); |
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} |
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} else { |
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/* 64-bit: */ |
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for (i=0; i<PPC_NGPRS; i++) { |
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int r = (i >> 1) + ((i & 1) << 4); |
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if ((i % 2) == 0) |
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debug("cpu%i:", x); |
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debug(" r%02i = 0x%016llx ", r, |
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(long long)cpu->cd.ppc.gpr[r]); |
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if ((i % 2) == 1) |
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debug("\n"); |
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} |
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} |
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|
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/* Other special registers: */ |
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reg_access_msr(cpu, &tmp, 0); |
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debug("cpu%i: msr = 0x%016llx ", x, (long long)tmp); |
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debug("tb = 0x%08x%08x\n", |
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(int)cpu->cd.ppc.tbu, (int)cpu->cd.ppc.tbl); |
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debug("cpu%i: dec = 0x%08x hdec = 0x%08x\n", |
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x, (int)cpu->cd.ppc.dec, (int)cpu->cd.ppc.hdec); |
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} |
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|
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if (coprocs) { |
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debug("cpu%i: fpscr = 0x%08x\n", x, (int)cpu->cd.ppc.fpscr); |
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|
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/* TODO: show floating-point values :-) */ |
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|
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/* TODO: 32-bit fprs on 32-bit PPC cpus? */ |
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|
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for (i=0; i<PPC_NFPRS; i++) { |
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if ((i % 2) == 0) |
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debug("cpu%i:", x); |
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debug(" f%02i = 0x%016llx ", i, |
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(long long)cpu->cd.ppc.fpr[i]); |
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if ((i % 2) == 1) |
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debug("\n"); |
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} |
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} |
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} |
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|
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|
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/* |
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* ppc_cpu_register_match(): |
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*/ |
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void ppc_cpu_register_match(struct machine *m, char *name, |
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int writeflag, uint64_t *valuep, int *match_register) |
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{ |
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int cpunr = 0; |
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|
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/* CPU number: */ |
| 339 |
|
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/* TODO */ |
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|
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/* Register name: */ |
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if (strcasecmp(name, "pc") == 0) { |
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if (writeflag) { |
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m->cpus[cpunr]->pc = *valuep; |
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} else |
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*valuep = m->cpus[cpunr]->pc; |
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*match_register = 1; |
| 349 |
} else if (strcasecmp(name, "msr") == 0) { |
| 350 |
if (writeflag) |
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m->cpus[cpunr]->cd.ppc.msr = *valuep; |
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else |
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*valuep = m->cpus[cpunr]->cd.ppc.msr; |
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*match_register = 1; |
| 355 |
} else if (strcasecmp(name, "lr") == 0) { |
| 356 |
if (writeflag) |
| 357 |
m->cpus[cpunr]->cd.ppc.lr = *valuep; |
| 358 |
else |
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*valuep = m->cpus[cpunr]->cd.ppc.lr; |
| 360 |
*match_register = 1; |
| 361 |
} else if (strcasecmp(name, "cr") == 0) { |
| 362 |
if (writeflag) |
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m->cpus[cpunr]->cd.ppc.cr = *valuep; |
| 364 |
else |
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*valuep = m->cpus[cpunr]->cd.ppc.cr; |
| 366 |
*match_register = 1; |
| 367 |
} else if (strcasecmp(name, "dec") == 0) { |
| 368 |
if (writeflag) |
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m->cpus[cpunr]->cd.ppc.dec = *valuep; |
| 370 |
else |
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*valuep = m->cpus[cpunr]->cd.ppc.dec; |
| 372 |
*match_register = 1; |
| 373 |
} else if (strcasecmp(name, "hdec") == 0) { |
| 374 |
if (writeflag) |
| 375 |
m->cpus[cpunr]->cd.ppc.hdec = *valuep; |
| 376 |
else |
| 377 |
*valuep = m->cpus[cpunr]->cd.ppc.hdec; |
| 378 |
*match_register = 1; |
| 379 |
} else if (strcasecmp(name, "ctr") == 0) { |
| 380 |
if (writeflag) |
| 381 |
m->cpus[cpunr]->cd.ppc.ctr = *valuep; |
| 382 |
else |
| 383 |
*valuep = m->cpus[cpunr]->cd.ppc.ctr; |
| 384 |
*match_register = 1; |
| 385 |
} else if (name[0] == 'r' && isdigit((int)name[1])) { |
| 386 |
int nr = atoi(name + 1); |
| 387 |
if (nr >= 0 && nr < PPC_NGPRS) { |
| 388 |
if (writeflag) { |
| 389 |
m->cpus[cpunr]->cd.ppc.gpr[nr] = *valuep; |
| 390 |
} else |
| 391 |
*valuep = m->cpus[cpunr]->cd.ppc.gpr[nr]; |
| 392 |
*match_register = 1; |
| 393 |
} |
| 394 |
} else if (strcasecmp(name, "xer") == 0) { |
| 395 |
if (writeflag) |
| 396 |
m->cpus[cpunr]->cd.ppc.xer = *valuep; |
| 397 |
else |
| 398 |
*valuep = m->cpus[cpunr]->cd.ppc.xer; |
| 399 |
*match_register = 1; |
| 400 |
} else if (strcasecmp(name, "fpscr") == 0) { |
| 401 |
if (writeflag) |
| 402 |
m->cpus[cpunr]->cd.ppc.fpscr = *valuep; |
| 403 |
else |
| 404 |
*valuep = m->cpus[cpunr]->cd.ppc.fpscr; |
| 405 |
*match_register = 1; |
| 406 |
} else if (name[0] == 'f' && isdigit((int)name[1])) { |
| 407 |
int nr = atoi(name + 1); |
| 408 |
if (nr >= 0 && nr < PPC_NFPRS) { |
| 409 |
if (writeflag) { |
| 410 |
m->cpus[cpunr]->cd.ppc.fpr[nr] = *valuep; |
| 411 |
} else |
| 412 |
*valuep = m->cpus[cpunr]->cd.ppc.fpr[nr]; |
| 413 |
*match_register = 1; |
| 414 |
} |
| 415 |
} |
| 416 |
} |
| 417 |
|
| 418 |
|
| 419 |
/* |
| 420 |
* ppc_cpu_show_full_statistics(): |
| 421 |
* |
| 422 |
* Show detailed statistics on opcode usage on each cpu. |
| 423 |
*/ |
| 424 |
void ppc_cpu_show_full_statistics(struct machine *m) |
| 425 |
{ |
| 426 |
fatal("ppc_cpu_show_full_statistics(): TODO\n"); |
| 427 |
} |
| 428 |
|
| 429 |
|
| 430 |
/* |
| 431 |
* ppc_cpu_tlbdump(): |
| 432 |
* |
| 433 |
* Called from the debugger to dump the TLB in a readable format. |
| 434 |
* x is the cpu number to dump, or -1 to dump all CPUs. |
| 435 |
* |
| 436 |
* If rawflag is nonzero, then the TLB contents isn't formated nicely, |
| 437 |
* just dumped. |
| 438 |
*/ |
| 439 |
void ppc_cpu_tlbdump(struct machine *m, int x, int rawflag) |
| 440 |
{ |
| 441 |
fatal("ppc_cpu_tlbdump(): TODO\n"); |
| 442 |
} |
| 443 |
|
| 444 |
|
| 445 |
/* |
| 446 |
* ppc_cpu_interrupt(): |
| 447 |
*/ |
| 448 |
int ppc_cpu_interrupt(struct cpu *cpu, uint64_t irq_nr) |
| 449 |
{ |
| 450 |
fatal("ppc_cpu_interrupt(): TODO\n"); |
| 451 |
return 0; |
| 452 |
} |
| 453 |
|
| 454 |
|
| 455 |
/* |
| 456 |
* ppc_cpu_interrupt_ack(): |
| 457 |
*/ |
| 458 |
int ppc_cpu_interrupt_ack(struct cpu *cpu, uint64_t irq_nr) |
| 459 |
{ |
| 460 |
/* fatal("ppc_cpu_interrupt_ack(): TODO\n"); */ |
| 461 |
return 0; |
| 462 |
} |
| 463 |
|
| 464 |
|
| 465 |
/* |
| 466 |
* ppc_cpu_disassemble_instr(): |
| 467 |
* |
| 468 |
* Convert an instruction word into human readable format, for instruction |
| 469 |
* tracing. |
| 470 |
* |
| 471 |
* If running is 1, cpu->pc should be the address of the instruction. |
| 472 |
* |
| 473 |
* If running is 0, things that depend on the runtime environment (eg. |
| 474 |
* register contents) will not be shown, and addr will be used instead of |
| 475 |
* cpu->pc for relative addresses. |
| 476 |
*/ |
| 477 |
int ppc_cpu_disassemble_instr(struct cpu *cpu, unsigned char *instr, |
| 478 |
int running, uint64_t dumpaddr, int bintrans) |
| 479 |
{ |
| 480 |
int hi6, xo, lev, rt, rs, ra, rb, imm, sh, me, rc, l_bit, oe_bit; |
| 481 |
int spr, aa_bit, lk_bit, bf, bh, bi, bo, mb, nb, bt, ba, bb, fpreg; |
| 482 |
int bfa; |
| 483 |
uint64_t offset, addr; |
| 484 |
uint32_t iword; |
| 485 |
char *symbol, *mnem = "ERROR"; |
| 486 |
int power = cpu->cd.ppc.mode == MODE_POWER; |
| 487 |
|
| 488 |
if (running) |
| 489 |
dumpaddr = cpu->pc; |
| 490 |
|
| 491 |
symbol = get_symbol_name(&cpu->machine->symbol_context, |
| 492 |
dumpaddr, &offset); |
| 493 |
if (symbol != NULL && offset==0) |
| 494 |
debug("<%s>\n", symbol); |
| 495 |
|
| 496 |
if (cpu->machine->ncpus > 1 && running) |
| 497 |
debug("cpu%i: ", cpu->cpu_id); |
| 498 |
|
| 499 |
if (cpu->cd.ppc.bits == 32) |
| 500 |
debug("%08x", (int)dumpaddr); |
| 501 |
else |
| 502 |
debug("%016llx", (long long)dumpaddr); |
| 503 |
|
| 504 |
/* NOTE: Fixed to big-endian. */ |
| 505 |
iword = (instr[0] << 24) + (instr[1] << 16) + (instr[2] << 8) |
| 506 |
+ instr[3]; |
| 507 |
|
| 508 |
debug(": %08x\t", iword); |
| 509 |
|
| 510 |
/* |
| 511 |
* Decode the instruction: |
| 512 |
*/ |
| 513 |
|
| 514 |
hi6 = iword >> 26; |
| 515 |
|
| 516 |
switch (hi6) { |
| 517 |
case PPC_HI6_MULLI: |
| 518 |
case PPC_HI6_SUBFIC: |
| 519 |
rt = (iword >> 21) & 31; |
| 520 |
ra = (iword >> 16) & 31; |
| 521 |
imm = (int16_t)(iword & 0xffff); |
| 522 |
switch (hi6) { |
| 523 |
case PPC_HI6_MULLI: |
| 524 |
mnem = power? "muli":"mulli"; |
| 525 |
break; |
| 526 |
case PPC_HI6_SUBFIC: |
| 527 |
mnem = power? "sfi":"subfic"; |
| 528 |
break; |
| 529 |
} |
| 530 |
debug("%s\tr%i,r%i,%i", mnem, rt, ra, imm); |
| 531 |
break; |
| 532 |
case PPC_HI6_CMPLI: |
| 533 |
case PPC_HI6_CMPI: |
| 534 |
bf = (iword >> 23) & 7; |
| 535 |
l_bit = (iword >> 21) & 1; |
| 536 |
ra = (iword >> 16) & 31; |
| 537 |
if (hi6 == PPC_HI6_CMPLI) { |
| 538 |
imm = iword & 0xffff; |
| 539 |
mnem = "cmpl"; |
| 540 |
} else { |
| 541 |
imm = (int16_t)(iword & 0xffff); |
| 542 |
mnem = "cmp"; |
| 543 |
} |
| 544 |
debug("%s%si\t", mnem, l_bit? "d" : "w"); |
| 545 |
if (bf != 0) |
| 546 |
debug("cr%i,", bf); |
| 547 |
debug("r%i,%i", ra, imm); |
| 548 |
break; |
| 549 |
case PPC_HI6_ADDIC: |
| 550 |
case PPC_HI6_ADDIC_DOT: |
| 551 |
rt = (iword >> 21) & 31; |
| 552 |
ra = (iword >> 16) & 31; |
| 553 |
rc = hi6 == PPC_HI6_ADDIC_DOT; |
| 554 |
imm = (int16_t)(iword & 0xffff); |
| 555 |
mnem = power? "ai":"addic"; |
| 556 |
if (imm < 0 && !power) { |
| 557 |
mnem = "subic"; |
| 558 |
imm = -imm; |
| 559 |
} |
| 560 |
debug("%s%s\tr%i,r%i,%i", mnem, rc?".":"", rt, ra, imm); |
| 561 |
break; |
| 562 |
case PPC_HI6_ADDI: |
| 563 |
rt = (iword >> 21) & 31; |
| 564 |
ra = (iword >> 16) & 31; |
| 565 |
imm = (int16_t)(iword & 0xffff); |
| 566 |
if (ra == 0) |
| 567 |
debug("li\tr%i,%i", rt, imm); |
| 568 |
else { |
| 569 |
mnem = power? "cal":"addi"; |
| 570 |
if (imm < 0 && !power) { |
| 571 |
mnem = "subi"; |
| 572 |
imm = -imm; |
| 573 |
} |
| 574 |
debug("%s\tr%i,r%i,%i", mnem, rt, ra, imm); |
| 575 |
} |
| 576 |
break; |
| 577 |
case PPC_HI6_ADDIS: |
| 578 |
rt = (iword >> 21) & 31; |
| 579 |
ra = (iword >> 16) & 31; |
| 580 |
imm = (int16_t)(iword & 0xffff); |
| 581 |
if (ra == 0) |
| 582 |
debug("lis\tr%i,%i", rt, imm); |
| 583 |
else |
| 584 |
debug("%s\tr%i,r%i,%i", |
| 585 |
power? "cau":"addis", rt, ra, imm); |
| 586 |
break; |
| 587 |
case PPC_HI6_BC: |
| 588 |
aa_bit = (iword & 2) >> 1; |
| 589 |
lk_bit = iword & 1; |
| 590 |
bo = (iword >> 21) & 31; |
| 591 |
bi = (iword >> 16) & 31; |
| 592 |
/* Sign-extend addr: */ |
| 593 |
addr = (int64_t)(int16_t)(iword & 0xfffc); |
| 594 |
debug("bc"); |
| 595 |
if (lk_bit) |
| 596 |
debug("l"); |
| 597 |
if (aa_bit) |
| 598 |
debug("a"); |
| 599 |
else |
| 600 |
addr += dumpaddr; |
| 601 |
debug("\t%i,%i,", bo, bi); |
| 602 |
if (cpu->cd.ppc.bits == 32) |
| 603 |
addr &= 0xffffffff; |
| 604 |
if (cpu->cd.ppc.bits == 32) |
| 605 |
debug("0x%x", (int)addr); |
| 606 |
else |
| 607 |
debug("0x%llx", (long long)addr); |
| 608 |
symbol = get_symbol_name(&cpu->machine->symbol_context, |
| 609 |
addr, &offset); |
| 610 |
if (symbol != NULL) |
| 611 |
debug("\t<%s>", symbol); |
| 612 |
break; |
| 613 |
case PPC_HI6_SC: |
| 614 |
lev = (iword >> 5) & 0x7f; |
| 615 |
debug("sc"); |
| 616 |
if (lev != 0) { |
| 617 |
debug("\t%i", lev); |
| 618 |
if (lev > 1) |
| 619 |
debug(" (WARNING! reserved value)"); |
| 620 |
} |
| 621 |
break; |
| 622 |
case PPC_HI6_B: |
| 623 |
aa_bit = (iword & 2) >> 1; |
| 624 |
lk_bit = iword & 1; |
| 625 |
/* Sign-extend addr: */ |
| 626 |
addr = (int64_t)(int32_t)((iword & 0x03fffffc) << 6); |
| 627 |
addr = (int64_t)addr >> 6; |
| 628 |
debug("b"); |
| 629 |
if (lk_bit) |
| 630 |
debug("l"); |
| 631 |
if (aa_bit) |
| 632 |
debug("a"); |
| 633 |
else |
| 634 |
addr += dumpaddr; |
| 635 |
if (cpu->cd.ppc.bits == 32) |
| 636 |
addr &= 0xffffffff; |
| 637 |
if (cpu->cd.ppc.bits == 32) |
| 638 |
debug("\t0x%x", (int)addr); |
| 639 |
else |
| 640 |
debug("\t0x%llx", (long long)addr); |
| 641 |
symbol = get_symbol_name(&cpu->machine->symbol_context, |
| 642 |
addr, &offset); |
| 643 |
if (symbol != NULL) |
| 644 |
debug("\t<%s>", symbol); |
| 645 |
break; |
| 646 |
case PPC_HI6_19: |
| 647 |
xo = (iword >> 1) & 1023; |
| 648 |
switch (xo) { |
| 649 |
case PPC_19_MCRF: |
| 650 |
bf = (iword >> 23) & 7; |
| 651 |
bfa = (iword >> 18) & 7; |
| 652 |
debug("mcrf\tcr%i,cr%i", bf, bfa); |
| 653 |
break; |
| 654 |
case PPC_19_BCLR: |
| 655 |
case PPC_19_BCCTR: |
| 656 |
bo = (iword >> 21) & 31; |
| 657 |
bi = (iword >> 16) & 31; |
| 658 |
bh = (iword >> 11) & 3; |
| 659 |
lk_bit = iword & 1; |
| 660 |
switch (xo) { |
| 661 |
case PPC_19_BCLR: |
| 662 |
mnem = power? "bcr" : "bclr"; break; |
| 663 |
case PPC_19_BCCTR: |
| 664 |
mnem = power? "bcc" : "bcctr"; break; |
| 665 |
} |
| 666 |
debug("%s%s%s\t%i,%i,%i", mnem, lk_bit? "l" : "", |
| 667 |
bh? (bh==3? "+" : (bh==2? "-" : "?")) : "", |
| 668 |
bo, bi, bh); |
| 669 |
break; |
| 670 |
case PPC_19_ISYNC: |
| 671 |
debug("%s", power? "ics" : "isync"); |
| 672 |
break; |
| 673 |
case PPC_19_CRAND: |
| 674 |
case PPC_19_CRXOR: |
| 675 |
case PPC_19_CROR: |
| 676 |
case PPC_19_CRNAND: |
| 677 |
case PPC_19_CRNOR: |
| 678 |
case PPC_19_CRANDC: |
| 679 |
case PPC_19_CREQV: |
| 680 |
case PPC_19_CRORC: |
| 681 |
bt = (iword >> 21) & 31; |
| 682 |
ba = (iword >> 16) & 31; |
| 683 |
bb = (iword >> 11) & 31; |
| 684 |
switch (xo) { |
| 685 |
case PPC_19_CRAND: mnem = "crand"; break; |
| 686 |
case PPC_19_CRXOR: mnem = "crxor"; break; |
| 687 |
case PPC_19_CROR: mnem = "cror"; break; |
| 688 |
case PPC_19_CRNAND: mnem = "crnand"; break; |
| 689 |
case PPC_19_CRNOR: mnem = "crnor"; break; |
| 690 |
case PPC_19_CRANDC: mnem = "crandc"; break; |
| 691 |
case PPC_19_CREQV: mnem = "creqv"; break; |
| 692 |
case PPC_19_CRORC: mnem = "crorc"; break; |
| 693 |
} |
| 694 |
debug("%s\t%i,%i,%i", mnem, bt, ba, bb); |
| 695 |
break; |
| 696 |
default: |
| 697 |
debug("unimplemented hi6_19, xo = 0x%x", xo); |
| 698 |
} |
| 699 |
break; |
| 700 |
case PPC_HI6_RLWIMI: |
| 701 |
case PPC_HI6_RLWINM: |
| 702 |
rs = (iword >> 21) & 31; |
| 703 |
ra = (iword >> 16) & 31; |
| 704 |
sh = (iword >> 11) & 31; |
| 705 |
mb = (iword >> 6) & 31; |
| 706 |
me = (iword >> 1) & 31; |
| 707 |
rc = iword & 1; |
| 708 |
switch (hi6) { |
| 709 |
case PPC_HI6_RLWIMI: |
| 710 |
mnem = power? "rlimi" : "rlwimi"; break; |
| 711 |
case PPC_HI6_RLWINM: |
| 712 |
mnem = power? "rlinm" : "rlwinm"; break; |
| 713 |
} |
| 714 |
debug("%s%s\tr%i,r%i,%i,%i,%i", |
| 715 |
mnem, rc?".":"", ra, rs, sh, mb, me); |
| 716 |
break; |
| 717 |
case PPC_HI6_ORI: |
| 718 |
case PPC_HI6_ORIS: |
| 719 |
case PPC_HI6_XORI: |
| 720 |
case PPC_HI6_XORIS: |
| 721 |
case PPC_HI6_ANDI_DOT: |
| 722 |
case PPC_HI6_ANDIS_DOT: |
| 723 |
rs = (iword >> 21) & 31; |
| 724 |
ra = (iword >> 16) & 31; |
| 725 |
imm = iword & 0xffff; |
| 726 |
switch (hi6) { |
| 727 |
case PPC_HI6_ORI: |
| 728 |
mnem = power? "oril":"ori"; |
| 729 |
break; |
| 730 |
case PPC_HI6_ORIS: |
| 731 |
mnem = power? "oriu":"oris"; |
| 732 |
break; |
| 733 |
case PPC_HI6_XORI: |
| 734 |
mnem = power? "xoril":"xori"; |
| 735 |
break; |
| 736 |
case PPC_HI6_XORIS: |
| 737 |
mnem = power? "xoriu":"xoris"; |
| 738 |
break; |
| 739 |
case PPC_HI6_ANDI_DOT: |
| 740 |
mnem = power? "andil.":"andi."; |
| 741 |
break; |
| 742 |
case PPC_HI6_ANDIS_DOT: |
| 743 |
mnem = power? "andiu.":"andis."; |
| 744 |
break; |
| 745 |
} |
| 746 |
if (hi6 == PPC_HI6_ORI && rs == 0 && ra == 0 && imm == 0) |
| 747 |
debug("nop"); |
| 748 |
else |
| 749 |
debug("%s\tr%i,r%i,0x%04x", mnem, ra, rs, imm); |
| 750 |
break; |
| 751 |
case PPC_HI6_30: |
| 752 |
xo = (iword >> 2) & 7; |
| 753 |
switch (xo) { |
| 754 |
case PPC_30_RLDICR: |
| 755 |
rs = (iword >> 21) & 31; |
| 756 |
ra = (iword >> 16) & 31; |
| 757 |
sh = ((iword >> 11) & 31) | ((iword & 2) << 4); |
| 758 |
me = ((iword >> 6) & 31) | (iword & 0x20); |
| 759 |
rc = iword & 1; |
| 760 |
debug("rldicr%s\tr%i,r%i,%i,%i", |
| 761 |
rc?".":"", ra, rs, sh, me); |
| 762 |
break; |
| 763 |
default: |
| 764 |
debug("unimplemented hi6_30, xo = 0x%x", xo); |
| 765 |
} |
| 766 |
break; |
| 767 |
case PPC_HI6_31: |
| 768 |
xo = (iword >> 1) & 1023; |
| 769 |
switch (xo) { |
| 770 |
|
| 771 |
case PPC_31_CMP: |
| 772 |
case PPC_31_CMPL: |
| 773 |
bf = (iword >> 23) & 7; |
| 774 |
l_bit = (iword >> 21) & 1; |
| 775 |
ra = (iword >> 16) & 31; |
| 776 |
rb = (iword >> 11) & 31; |
| 777 |
if (xo == PPC_31_CMPL) |
| 778 |
mnem = "cmpl"; |
| 779 |
else |
| 780 |
mnem = "cmp"; |
| 781 |
debug("%s%s\t", mnem, l_bit? "d" : "w"); |
| 782 |
if (bf != 0) |
| 783 |
debug("cr%i,", bf); |
| 784 |
debug("r%i,r%i", ra, rb); |
| 785 |
break; |
| 786 |
case PPC_31_MFCR: |
| 787 |
rt = (iword >> 21) & 31; |
| 788 |
debug("mfcr\tr%i", rt); |
| 789 |
break; |
| 790 |
case PPC_31_MFMSR: |
| 791 |
rt = (iword >> 21) & 31; |
| 792 |
debug("mfmsr\tr%i", rt); |
| 793 |
break; |
| 794 |
case PPC_31_MTCRF: |
| 795 |
rs = (iword >> 21) & 31; |
| 796 |
mb = (iword >> 12) & 255; /* actually fxm, not mb */ |
| 797 |
debug("mtcrf\t%i,r%i", mb, rs); |
| 798 |
break; |
| 799 |
case PPC_31_MTMSR: |
| 800 |
rs = (iword >> 21) & 31; |
| 801 |
l_bit = (iword >> 16) & 1; |
| 802 |
debug("mtmsr\tr%i", rs); |
| 803 |
if (l_bit) |
| 804 |
debug(",%i", l_bit); |
| 805 |
break; |
| 806 |
case PPC_31_LBZX: |
| 807 |
case PPC_31_LBZUX: |
| 808 |
case PPC_31_LHZX: |
| 809 |
case PPC_31_LHZUX: |
| 810 |
case PPC_31_LWZX: |
| 811 |
case PPC_31_LWZUX: |
| 812 |
case PPC_31_STBX: |
| 813 |
case PPC_31_STBUX: |
| 814 |
case PPC_31_STHX: |
| 815 |
case PPC_31_STHUX: |
| 816 |
case PPC_31_STWX: |
| 817 |
case PPC_31_STWUX: |
| 818 |
case PPC_31_STDX: |
| 819 |
case PPC_31_STDUX: |
| 820 |
/* rs for stores, rt for loads, actually */ |
| 821 |
rs = (iword >> 21) & 31; |
| 822 |
ra = (iword >> 16) & 31; |
| 823 |
rb = (iword >> 11) & 31; |
| 824 |
switch (xo) { |
| 825 |
case PPC_31_LBZX: mnem = "lbzx"; break; |
| 826 |
case PPC_31_LBZUX: mnem = "lbzux"; break; |
| 827 |
case PPC_31_LHZX: mnem = "lhzx"; break; |
| 828 |
case PPC_31_LHZUX: mnem = "lhzux"; break; |
| 829 |
case PPC_31_LWZX: |
| 830 |
mnem = power? "lx" : "lwzx"; |
| 831 |
break; |
| 832 |
case PPC_31_LWZUX: |
| 833 |
mnem = power? "lux" : "lwzux"; |
| 834 |
break; |
| 835 |
case PPC_31_STBX: mnem = "stbx"; break; |
| 836 |
case PPC_31_STBUX: mnem = "stbux"; break; |
| 837 |
case PPC_31_STHX: mnem = "sthx"; break; |
| 838 |
case PPC_31_STHUX: mnem = "sthux"; break; |
| 839 |
case PPC_31_STWX: |
| 840 |
mnem = power? "stx" : "stwx"; |
| 841 |
break; |
| 842 |
case PPC_31_STWUX: |
| 843 |
mnem = power? "stux" : "stwux"; |
| 844 |
break; |
| 845 |
case PPC_31_STDX: mnem = "stdx"; break; |
| 846 |
case PPC_31_STDUX: mnem = "stdux"; break; |
| 847 |
} |
| 848 |
debug("%s\tr%i,r%i,r%i", mnem, rs, ra, rb); |
| 849 |
break; |
| 850 |
case PPC_31_NEG: |
| 851 |
case PPC_31_NEGO: |
| 852 |
rt = (iword >> 21) & 31; |
| 853 |
ra = (iword >> 16) & 31; |
| 854 |
oe_bit = (iword >> 10) & 1; |
| 855 |
rc = iword & 1; |
| 856 |
switch (xo) { |
| 857 |
case PPC_31_NEG: mnem = "neg"; break; |
| 858 |
case PPC_31_NEGO: mnem = "nego"; break; |
| 859 |
} |
| 860 |
debug("%s%s\tr%i,r%i", mnem, rc? "." : "", rt, ra); |
| 861 |
break; |
| 862 |
case PPC_31_ADDZE: |
| 863 |
case PPC_31_ADDZEO: |
| 864 |
rt = (iword >> 21) & 31; |
| 865 |
ra = (iword >> 16) & 31; |
| 866 |
oe_bit = (iword >> 10) & 1; |
| 867 |
rc = iword & 1; |
| 868 |
switch (xo) { |
| 869 |
case PPC_31_ADDZE: |
| 870 |
mnem = power? "aze" : "addze"; |
| 871 |
break; |
| 872 |
case PPC_31_ADDZEO: |
| 873 |
mnem = power? "azeo" : "addzeo"; |
| 874 |
break; |
| 875 |
} |
| 876 |
debug("%s%s\tr%i,r%i", mnem, rc? "." : "", rt, ra); |
| 877 |
break; |
| 878 |
case PPC_31_MTSR: |
| 879 |
/* Move to segment register (?) */ |
| 880 |
/* TODO */ |
| 881 |
debug("mtsr\tTODO"); |
| 882 |
break; |
| 883 |
case PPC_31_MTSRIN: |
| 884 |
case PPC_31_MFSRIN: |
| 885 |
/* Move to/from segment register indirect */ |
| 886 |
rt = (iword >> 21) & 31; |
| 887 |
rb = (iword >> 11) & 31; |
| 888 |
switch (xo) { |
| 889 |
case PPC_31_MTSRIN: mnem = "mtsrin"; break; |
| 890 |
case PPC_31_MFSRIN: mnem = "mfsrin"; break; |
| 891 |
} |
| 892 |
debug("%s\tr%i,r%i", mnem, rt, rb); |
| 893 |
break; |
| 894 |
case PPC_31_ADDC: |
| 895 |
case PPC_31_ADDCO: |
| 896 |
case PPC_31_ADDE: |
| 897 |
case PPC_31_ADDEO: |
| 898 |
case PPC_31_ADD: |
| 899 |
case PPC_31_ADDO: |
| 900 |
case PPC_31_MULHW: |
| 901 |
case PPC_31_MULHWU: |
| 902 |
case PPC_31_MULLW: |
| 903 |
case PPC_31_MULLWO: |
| 904 |
case PPC_31_SUBF: |
| 905 |
case PPC_31_SUBFO: |
| 906 |
case PPC_31_SUBFC: |
| 907 |
case PPC_31_SUBFCO: |
| 908 |
case PPC_31_SUBFE: |
| 909 |
case PPC_31_SUBFEO: |
| 910 |
case PPC_31_SUBFZE: |
| 911 |
case PPC_31_SUBFZEO: |
| 912 |
rt = (iword >> 21) & 31; |
| 913 |
ra = (iword >> 16) & 31; |
| 914 |
rb = (iword >> 11) & 31; |
| 915 |
oe_bit = (iword >> 10) & 1; |
| 916 |
rc = iword & 1; |
| 917 |
switch (xo) { |
| 918 |
case PPC_31_ADDC: |
| 919 |
mnem = power? "a" : "addc"; |
| 920 |
break; |
| 921 |
case PPC_31_ADDCO: |
| 922 |
mnem = power? "ao" : "addco"; |
| 923 |
break; |
| 924 |
case PPC_31_ADDE: |
| 925 |
mnem = power? "ae" : "adde"; |
| 926 |
break; |
| 927 |
case PPC_31_ADDEO: |
| 928 |
mnem = power? "aeo" : "addeo"; |
| 929 |
break; |
| 930 |
case PPC_31_ADD: |
| 931 |
mnem = power? "cax" : "add"; |
| 932 |
break; |
| 933 |
case PPC_31_ADDO: |
| 934 |
mnem = power? "caxo" : "addo"; |
| 935 |
break; |
| 936 |
case PPC_31_MULHW: mnem = "mulhw"; break; |
| 937 |
case PPC_31_MULHWU: mnem = "mulhwu"; break; |
| 938 |
case PPC_31_MULLW: |
| 939 |
mnem = power? "muls" : "mullw"; |
| 940 |
break; |
| 941 |
case PPC_31_MULLWO: |
| 942 |
mnem = power? "mulso" : "mullwo"; |
| 943 |
break; |
| 944 |
case PPC_31_SUBF: mnem = "subf"; break; |
| 945 |
case PPC_31_SUBFO: mnem = "subfo"; break; |
| 946 |
case PPC_31_SUBFC: |
| 947 |
mnem = power? "sf" : "subfc"; |
| 948 |
break; |
| 949 |
case PPC_31_SUBFCO: |
| 950 |
mnem = power? "sfo" : "subfco"; |
| 951 |
break; |
| 952 |
case PPC_31_SUBFE: |
| 953 |
mnem = power? "sfe" : "subfe"; |
| 954 |
break; |
| 955 |
case PPC_31_SUBFEO: |
| 956 |
mnem = power? "sfeo" : "subfeo"; |
| 957 |
break; |
| 958 |
case PPC_31_SUBFZE: |
| 959 |
mnem = power? "sfze" : "subfze"; |
| 960 |
break; |
| 961 |
case PPC_31_SUBFZEO: |
| 962 |
mnem = power? "sfzeo" : "subfzeo"; |
| 963 |
break; |
| 964 |
} |
| 965 |
debug("%s%s\tr%i,r%i,r%i", mnem, rc? "." : "", |
| 966 |
rt, ra, rb); |
| 967 |
break; |
| 968 |
case PPC_31_MFSPR: |
| 969 |
rt = (iword >> 21) & 31; |
| 970 |
spr = ((iword >> 6) & 0x3e0) + ((iword >> 16) & 31); |
| 971 |
switch (spr) { |
| 972 |
case 8: debug("mflr\tr%i", rt); break; |
| 973 |
case 272: debug("mfsprg\t0,r%i", rt); break; |
| 974 |
case 273: debug("mfsprg\t1,r%i", rt); break; |
| 975 |
case 274: debug("mfsprg\t2,r%i", rt); break; |
| 976 |
case 275: debug("mfsprg\t3,r%i", rt); break; |
| 977 |
case 1008: debug("mfdbsr\tr%i", rt); break; |
| 978 |
default:debug("mfspr\tr%i,spr%i", rt, spr); |
| 979 |
} |
| 980 |
break; |
| 981 |
case PPC_31_TLBIE: |
| 982 |
/* TODO: what is ra? The IBM online docs didn't say */ |
| 983 |
ra = 0; |
| 984 |
rb = (iword >> 11) & 31; |
| 985 |
if (power) |
| 986 |
debug("tlbi\tr%i,r%i", ra, rb); |
| 987 |
else |
| 988 |
debug("tlbie\tr%i", rb); |
| 989 |
break; |
| 990 |
case PPC_31_TLBSYNC: |
| 991 |
debug("tlbsync"); |
| 992 |
break; |
| 993 |
case PPC_31_MFTB: |
| 994 |
rt = (iword >> 21) & 31; |
| 995 |
spr = ((iword >> 6) & 0x3e0) + ((iword >> 16) & 31); |
| 996 |
debug("mftb%s\tr%i", spr==268? "" : |
| 997 |
(spr==269? "u" : "?"), rt); |
| 998 |
break; |
| 999 |
case PPC_31_CNTLZW: |
| 1000 |
rs = (iword >> 21) & 31; |
| 1001 |
ra = (iword >> 16) & 31; |
| 1002 |
rc = iword & 1; |
| 1003 |
mnem = power? "cntlz" : "cntlzw"; |
| 1004 |
debug("%s\tr%i,r%i", mnem, rc? "." : "", ra, rs); |
| 1005 |
break; |
| 1006 |
case PPC_31_CLF: /* POWER only */ |
| 1007 |
case PPC_31_CLI: /* POWER only */ |
| 1008 |
case PPC_31_DCLST: /* POWER only */ |
| 1009 |
case PPC_31_DCBF: /* PowerPC only */ |
| 1010 |
case PPC_31_DCBI: /* PowerPC only */ |
| 1011 |
case PPC_31_DCBST: /* PowerPC only */ |
| 1012 |
case PPC_31_DCBTST: /* PowerPC only */ |
| 1013 |
case PPC_31_DCBT: /* PowerPC only */ |
| 1014 |
case PPC_31_ICBI: /* PowerPC only */ |
| 1015 |
case PPC_31_DCBZ: /* POWER/PowerPC */ |
| 1016 |
ra = (iword >> 16) & 31; |
| 1017 |
rb = (iword >> 11) & 31; |
| 1018 |
switch (xo) { |
| 1019 |
case PPC_31_CLF: mnem = "clf"; break; |
| 1020 |
case PPC_31_CLI: mnem = "cli"; break; |
| 1021 |
case PPC_31_DCLST: mnem = "dclst"; break; |
| 1022 |
case PPC_31_DCBF: mnem = "dcbf"; break; |
| 1023 |
case PPC_31_DCBI: mnem = "dcbi"; break; |
| 1024 |
case PPC_31_DCBST: mnem = "dcbst"; break; |
| 1025 |
case PPC_31_DCBTST:mnem = "dcbtst"; break; |
| 1026 |
case PPC_31_DCBT: mnem = "dcbt"; break; |
| 1027 |
case PPC_31_ICBI: mnem = "icbi"; break; |
| 1028 |
case PPC_31_DCBZ: mnem = power ? |
| 1029 |
"dclz" : "dcbz"; break; |
| 1030 |
} |
| 1031 |
debug("%s\tr%i,r%i", mnem, ra, rb); |
| 1032 |
break; |
| 1033 |
case PPC_31_SLW: |
| 1034 |
case PPC_31_SRAW: |
| 1035 |
case PPC_31_SRW: |
| 1036 |
case PPC_31_AND: |
| 1037 |
case PPC_31_ANDC: |
| 1038 |
case PPC_31_NOR: |
| 1039 |
case PPC_31_OR: |
| 1040 |
case PPC_31_ORC: |
| 1041 |
case PPC_31_XOR: |
| 1042 |
case PPC_31_NAND: |
| 1043 |
rs = (iword >> 21) & 31; |
| 1044 |
ra = (iword >> 16) & 31; |
| 1045 |
rb = (iword >> 11) & 31; |
| 1046 |
rc = iword & 1; |
| 1047 |
if (rs == rb && xo == PPC_31_OR) |
| 1048 |
debug("mr%s\tr%i,r%i", rc? "." : "", ra, rs); |
| 1049 |
else { |
| 1050 |
switch (xo) { |
| 1051 |
case PPC_31_SLW: mnem = |
| 1052 |
power? "sl" : "slw"; break; |
| 1053 |
case PPC_31_SRAW: mnem = |
| 1054 |
power? "sra" : "sraw"; break; |
| 1055 |
case PPC_31_SRW: mnem = |
| 1056 |
power? "sr" : "srw"; break; |
| 1057 |
case PPC_31_AND: mnem = "and"; break; |
| 1058 |
case PPC_31_NAND: mnem = "nand"; break; |
| 1059 |
case PPC_31_ANDC: mnem = "andc"; break; |
| 1060 |
case PPC_31_NOR: mnem = "nor"; break; |
| 1061 |
case PPC_31_OR: mnem = "or"; break; |
| 1062 |
case PPC_31_ORC: mnem = "orc"; break; |
| 1063 |
case PPC_31_XOR: mnem = "xor"; break; |
| 1064 |
} |
| 1065 |
debug("%s%s\tr%i,r%i,r%i", mnem, |
| 1066 |
rc? "." : "", ra, rs, rb); |
| 1067 |
} |
| 1068 |
break; |
| 1069 |
case PPC_31_DCCCI: |
| 1070 |
ra = (iword >> 16) & 31; |
| 1071 |
rb = (iword >> 11) & 31; |
| 1072 |
debug("dccci\tr%i,r%i", ra, rb); |
| 1073 |
break; |
| 1074 |
case PPC_31_ICCCI: |
| 1075 |
ra = (iword >> 16) & 31; |
| 1076 |
rb = (iword >> 11) & 31; |
| 1077 |
debug("iccci\tr%i,r%i", ra, rb); |
| 1078 |
break; |
| 1079 |
case PPC_31_DIVW: |
| 1080 |
case PPC_31_DIVWO: |
| 1081 |
case PPC_31_DIVWU: |
| 1082 |
case PPC_31_DIVWUO: |
| 1083 |
rt = (iword >> 21) & 31; |
| 1084 |
ra = (iword >> 16) & 31; |
| 1085 |
rb = (iword >> 11) & 31; |
| 1086 |
oe_bit = (iword >> 10) & 1; |
| 1087 |
rc = iword & 1; |
| 1088 |
switch (xo) { |
| 1089 |
case PPC_31_DIVWU: mnem = "divwu"; break; |
| 1090 |
case PPC_31_DIVWUO: mnem = "divwuo"; break; |
| 1091 |
case PPC_31_DIVW: mnem = "divw"; break; |
| 1092 |
case PPC_31_DIVWO: mnem = "divwo"; break; |
| 1093 |
} |
| 1094 |
debug("%s%s\tr%i,r%i,r%i", mnem, rc? "." : "", |
| 1095 |
rt, ra, rb); |
| 1096 |
break; |
| 1097 |
case PPC_31_MTSPR: |
| 1098 |
rs = (iword >> 21) & 31; |
| 1099 |
spr = ((iword >> 6) & 0x3e0) + ((iword >> 16) & 31); |
| 1100 |
switch (spr) { |
| 1101 |
case 8: debug("mtlr\tr%i", rs); break; |
| 1102 |
case 272: debug("mtsprg\t0,r%i", rs); break; |
| 1103 |
case 273: debug("mtsprg\t1,r%i", rs); break; |
| 1104 |
case 274: debug("mtsprg\t2,r%i", rs); break; |
| 1105 |
case 275: debug("mtsprg\t3,r%i", rs); break; |
| 1106 |
default:debug("mtspr\tspr%i,r%i", spr, rs); |
| 1107 |
} |
| 1108 |
break; |
| 1109 |
case PPC_31_SYNC: |
| 1110 |
debug("%s", power? "dcs" : "sync"); |
| 1111 |
break; |
| 1112 |
case PPC_31_LSWI: |
| 1113 |
case PPC_31_STSWI: |
| 1114 |
rs = (iword >> 21) & 31; /* lwsi uses rt */ |
| 1115 |
ra = (iword >> 16) & 31; |
| 1116 |
nb = (iword >> 11) & 31; |
| 1117 |
switch (xo) { |
| 1118 |
case PPC_31_LSWI: |
| 1119 |
mnem = power? "lsi" : "lswi"; break; |
| 1120 |
case PPC_31_STSWI: |
| 1121 |
mnem = power? "stsi" : "stswi"; break; |
| 1122 |
} |
| 1123 |
debug("%s\tr%i,r%i,%i", mnem, rs, ra, nb); |
| 1124 |
break; |
| 1125 |
case PPC_31_LHBRX: |
| 1126 |
case PPC_31_LWBRX: |
| 1127 |
case PPC_31_STHBRX: |
| 1128 |
case PPC_31_STWBRX: |
| 1129 |
rt = (iword >> 21) & 31; /* stores use rs */ |
| 1130 |
ra = (iword >> 16) & 31; |
| 1131 |
rb = (iword >> 11) & 31; |
| 1132 |
switch (xo) { |
| 1133 |
case PPC_31_LHBRX: mnem = "lhbrx"; break; |
| 1134 |
case PPC_31_LWBRX: mnem = power? |
| 1135 |
"lbrx" : "lwbrx"; break; |
| 1136 |
case PPC_31_STHBRX: mnem = "sthbrx"; break; |
| 1137 |
case PPC_31_STWBRX: mnem = power? |
| 1138 |
"stbrx" : "stwbrx"; break; |
| 1139 |
} |
| 1140 |
debug("%s\tr%i,r%i,r%i", mnem, rt, ra, rb); |
| 1141 |
break; |
| 1142 |
case PPC_31_SRAWI: |
| 1143 |
rs = (iword >> 21) & 31; |
| 1144 |
ra = (iword >> 16) & 31; |
| 1145 |
sh = (iword >> 11) & 31; |
| 1146 |
rc = iword & 1; |
| 1147 |
mnem = power? "srai" : "srawi"; |
| 1148 |
debug("%s%s\tr%i,r%i,%i", mnem, |
| 1149 |
rc? "." : "", ra, rs, sh); |
| 1150 |
break; |
| 1151 |
case PPC_31_EIEIO: |
| 1152 |
debug("%s", power? "eieio?" : "eieio"); |
| 1153 |
break; |
| 1154 |
case PPC_31_EXTSB: |
| 1155 |
case PPC_31_EXTSH: |
| 1156 |
case PPC_31_EXTSW: |
| 1157 |
rs = (iword >> 21) & 31; |
| 1158 |
ra = (iword >> 16) & 31; |
| 1159 |
rc = iword & 1; |
| 1160 |
switch (xo) { |
| 1161 |
case PPC_31_EXTSB: |
| 1162 |
mnem = power? "exts" : "extsb"; |
| 1163 |
break; |
| 1164 |
case PPC_31_EXTSH: |
| 1165 |
mnem = "extsh"; |
| 1166 |
break; |
| 1167 |
case PPC_31_EXTSW: |
| 1168 |
mnem = "extsw"; |
| 1169 |
break; |
| 1170 |
} |
| 1171 |
debug("%s%s\tr%i,r%i", mnem, rc? "." : "", ra, rs); |
| 1172 |
break; |
| 1173 |
default: |
| 1174 |
debug("unimplemented hi6_31, xo = 0x%x", xo); |
| 1175 |
} |
| 1176 |
break; |
| 1177 |
case PPC_HI6_LWZ: |
| 1178 |
case PPC_HI6_LWZU: |
| 1179 |
case PPC_HI6_LHZ: |
| 1180 |
case PPC_HI6_LHZU: |
| 1181 |
case PPC_HI6_LHA: |
| 1182 |
case PPC_HI6_LHAU: |
| 1183 |
case PPC_HI6_LBZ: |
| 1184 |
case PPC_HI6_LBZU: |
| 1185 |
case PPC_HI6_LMW: |
| 1186 |
case PPC_HI6_STW: |
| 1187 |
case PPC_HI6_STWU: |
| 1188 |
case PPC_HI6_STH: |
| 1189 |
case PPC_HI6_STHU: |
| 1190 |
case PPC_HI6_STB: |
| 1191 |
case PPC_HI6_STBU: |
| 1192 |
case PPC_HI6_STMW: |
| 1193 |
case PPC_HI6_LFD: |
| 1194 |
case PPC_HI6_STFD: |
| 1195 |
/* NOTE: Loads use rt, not rs, but are otherwise similar |
| 1196 |
to stores */ |
| 1197 |
rs = (iword >> 21) & 31; |
| 1198 |
ra = (iword >> 16) & 31; |
| 1199 |
imm = (int16_t)(iword & 0xffff); |
| 1200 |
fpreg = 0; |
| 1201 |
switch (hi6) { |
| 1202 |
case PPC_HI6_LWZ: mnem = power? "l" : "lwz"; break; |
| 1203 |
case PPC_HI6_LWZU: mnem = power? "lu" : "lwzu"; break; |
| 1204 |
case PPC_HI6_LHZ: mnem = "lhz"; break; |
| 1205 |
case PPC_HI6_LHZU: mnem = "lhzu"; break; |
| 1206 |
case PPC_HI6_LHA: mnem = "lha"; break; |
| 1207 |
case PPC_HI6_LHAU: mnem = "lhau"; break; |
| 1208 |
case PPC_HI6_LBZ: mnem = "lbz"; break; |
| 1209 |
case PPC_HI6_LBZU: mnem = "lbzu"; break; |
| 1210 |
case PPC_HI6_STW: mnem = power? "st" : "stw"; break; |
| 1211 |
case PPC_HI6_STWU: mnem = power? "stu" : "stwu"; break; |
| 1212 |
case PPC_HI6_STH: mnem = "sth"; break; |
| 1213 |
case PPC_HI6_STHU: mnem = "sthu"; break; |
| 1214 |
case PPC_HI6_STB: mnem = "stb"; break; |
| 1215 |
case PPC_HI6_STBU: mnem = "stbu"; break; |
| 1216 |
case PPC_HI6_LMW: mnem = power? "lm" : "lmw"; break; |
| 1217 |
case PPC_HI6_STMW: mnem = power? "stm" : "stmw"; break; |
| 1218 |
case PPC_HI6_LFD: fpreg = 1; mnem = "lfd"; break; |
| 1219 |
case PPC_HI6_STFD: fpreg = 1; mnem = "stfd"; break; |
| 1220 |
} |
| 1221 |
debug("%s\t", mnem); |
| 1222 |
if (fpreg) |
| 1223 |
debug("f"); |
| 1224 |
else |
| 1225 |
debug("r"); |
| 1226 |
debug("%i,%i(r%i)", rs, imm, ra); |
| 1227 |
break; |
| 1228 |
default: |
| 1229 |
/* TODO */ |
| 1230 |
debug("unimplemented hi6 = 0x%02x", hi6); |
| 1231 |
} |
| 1232 |
|
| 1233 |
debug("\n"); |
| 1234 |
return sizeof(iword); |
| 1235 |
} |
| 1236 |
|
| 1237 |
|
| 1238 |
/* |
| 1239 |
* update_cr0(): |
| 1240 |
* |
| 1241 |
* Sets the top 4 bits of the CR register. |
| 1242 |
*/ |
| 1243 |
void update_cr0(struct cpu *cpu, uint64_t value) |
| 1244 |
{ |
| 1245 |
int c; |
| 1246 |
|
| 1247 |
if (cpu->cd.ppc.bits == 64) { |
| 1248 |
if ((int64_t)value < 0) |
| 1249 |
c = 8; |
| 1250 |
else if ((int64_t)value > 0) |
| 1251 |
c = 4; |
| 1252 |
else |
| 1253 |
c = 2; |
| 1254 |
} else { |
| 1255 |
if ((int32_t)value < 0) |
| 1256 |
c = 8; |
| 1257 |
else if ((int32_t)value > 0) |
| 1258 |
c = 4; |
| 1259 |
else |
| 1260 |
c = 2; |
| 1261 |
} |
| 1262 |
|
| 1263 |
/* SO bit, copied from XER: */ |
| 1264 |
c |= ((cpu->cd.ppc.xer >> 31) & 1); |
| 1265 |
|
| 1266 |
cpu->cd.ppc.cr &= ~((uint32_t)0xf << 28); |
| 1267 |
cpu->cd.ppc.cr |= ((uint32_t)c << 28); |
| 1268 |
} |
| 1269 |
|
| 1270 |
|
| 1271 |
#include "tmp_ppc_tail.c" |
| 1272 |
|
| 1273 |
|
| 1274 |
#endif /* ENABLE_PPC */ |
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