diff options
Diffstat (limited to 'target/ppc/translate_init.c.inc')
-rw-r--r-- | target/ppc/translate_init.c.inc | 391 |
1 files changed, 1 insertions, 390 deletions
diff --git a/target/ppc/translate_init.c.inc b/target/ppc/translate_init.c.inc index 9ab2c32cc4..42b3a4fd57 100644 --- a/target/ppc/translate_init.c.inc +++ b/target/ppc/translate_init.c.inc @@ -42,7 +42,6 @@ #include "fpu/softfloat.h" #include "qapi/qapi-commands-machine-target.h" -/* #define PPC_DUMP_CPU */ /* #define PPC_DEBUG_SPR */ /* #define PPC_DUMP_SPR_ACCESSES */ /* #define USE_APPLE_GDB */ @@ -9560,366 +9559,6 @@ static void dump_ppc_sprs(CPUPPCState *env) } #endif -/*****************************************************************************/ - -/* Opcode types */ -enum { - PPC_DIRECT = 0, /* Opcode routine */ - PPC_INDIRECT = 1, /* Indirect opcode table */ -}; - -#define PPC_OPCODE_MASK 0x3 - -static inline int is_indirect_opcode(void *handler) -{ - return ((uintptr_t)handler & PPC_OPCODE_MASK) == PPC_INDIRECT; -} - -static inline opc_handler_t **ind_table(void *handler) -{ - return (opc_handler_t **)((uintptr_t)handler & ~PPC_OPCODE_MASK); -} - -/* Instruction table creation */ -/* Opcodes tables creation */ -static void fill_new_table(opc_handler_t **table, int len) -{ - int i; - - for (i = 0; i < len; i++) { - table[i] = &invalid_handler; - } -} - -static int create_new_table(opc_handler_t **table, unsigned char idx) -{ - opc_handler_t **tmp; - - tmp = g_new(opc_handler_t *, PPC_CPU_INDIRECT_OPCODES_LEN); - fill_new_table(tmp, PPC_CPU_INDIRECT_OPCODES_LEN); - table[idx] = (opc_handler_t *)((uintptr_t)tmp | PPC_INDIRECT); - - return 0; -} - -static int insert_in_table(opc_handler_t **table, unsigned char idx, - opc_handler_t *handler) -{ - if (table[idx] != &invalid_handler) { - return -1; - } - table[idx] = handler; - - return 0; -} - -static int register_direct_insn(opc_handler_t **ppc_opcodes, - unsigned char idx, opc_handler_t *handler) -{ - if (insert_in_table(ppc_opcodes, idx, handler) < 0) { - printf("*** ERROR: opcode %02x already assigned in main " - "opcode table\n", idx); -#if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU) - printf(" Registered handler '%s' - new handler '%s'\n", - ppc_opcodes[idx]->oname, handler->oname); -#endif - return -1; - } - - return 0; -} - -static int register_ind_in_table(opc_handler_t **table, - unsigned char idx1, unsigned char idx2, - opc_handler_t *handler) -{ - if (table[idx1] == &invalid_handler) { - if (create_new_table(table, idx1) < 0) { - printf("*** ERROR: unable to create indirect table " - "idx=%02x\n", idx1); - return -1; - } - } else { - if (!is_indirect_opcode(table[idx1])) { - printf("*** ERROR: idx %02x already assigned to a direct " - "opcode\n", idx1); -#if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU) - printf(" Registered handler '%s' - new handler '%s'\n", - ind_table(table[idx1])[idx2]->oname, handler->oname); -#endif - return -1; - } - } - if (handler != NULL && - insert_in_table(ind_table(table[idx1]), idx2, handler) < 0) { - printf("*** ERROR: opcode %02x already assigned in " - "opcode table %02x\n", idx2, idx1); -#if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU) - printf(" Registered handler '%s' - new handler '%s'\n", - ind_table(table[idx1])[idx2]->oname, handler->oname); -#endif - return -1; - } - - return 0; -} - -static int register_ind_insn(opc_handler_t **ppc_opcodes, - unsigned char idx1, unsigned char idx2, - opc_handler_t *handler) -{ - return register_ind_in_table(ppc_opcodes, idx1, idx2, handler); -} - -static int register_dblind_insn(opc_handler_t **ppc_opcodes, - unsigned char idx1, unsigned char idx2, - unsigned char idx3, opc_handler_t *handler) -{ - if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) { - printf("*** ERROR: unable to join indirect table idx " - "[%02x-%02x]\n", idx1, idx2); - return -1; - } - if (register_ind_in_table(ind_table(ppc_opcodes[idx1]), idx2, idx3, - handler) < 0) { - printf("*** ERROR: unable to insert opcode " - "[%02x-%02x-%02x]\n", idx1, idx2, idx3); - return -1; - } - - return 0; -} - -static int register_trplind_insn(opc_handler_t **ppc_opcodes, - unsigned char idx1, unsigned char idx2, - unsigned char idx3, unsigned char idx4, - opc_handler_t *handler) -{ - opc_handler_t **table; - - if (register_ind_in_table(ppc_opcodes, idx1, idx2, NULL) < 0) { - printf("*** ERROR: unable to join indirect table idx " - "[%02x-%02x]\n", idx1, idx2); - return -1; - } - table = ind_table(ppc_opcodes[idx1]); - if (register_ind_in_table(table, idx2, idx3, NULL) < 0) { - printf("*** ERROR: unable to join 2nd-level indirect table idx " - "[%02x-%02x-%02x]\n", idx1, idx2, idx3); - return -1; - } - table = ind_table(table[idx2]); - if (register_ind_in_table(table, idx3, idx4, handler) < 0) { - printf("*** ERROR: unable to insert opcode " - "[%02x-%02x-%02x-%02x]\n", idx1, idx2, idx3, idx4); - return -1; - } - return 0; -} -static int register_insn(opc_handler_t **ppc_opcodes, opcode_t *insn) -{ - if (insn->opc2 != 0xFF) { - if (insn->opc3 != 0xFF) { - if (insn->opc4 != 0xFF) { - if (register_trplind_insn(ppc_opcodes, insn->opc1, insn->opc2, - insn->opc3, insn->opc4, - &insn->handler) < 0) { - return -1; - } - } else { - if (register_dblind_insn(ppc_opcodes, insn->opc1, insn->opc2, - insn->opc3, &insn->handler) < 0) { - return -1; - } - } - } else { - if (register_ind_insn(ppc_opcodes, insn->opc1, - insn->opc2, &insn->handler) < 0) { - return -1; - } - } - } else { - if (register_direct_insn(ppc_opcodes, insn->opc1, &insn->handler) < 0) { - return -1; - } - } - - return 0; -} - -static int test_opcode_table(opc_handler_t **table, int len) -{ - int i, count, tmp; - - for (i = 0, count = 0; i < len; i++) { - /* Consistency fixup */ - if (table[i] == NULL) { - table[i] = &invalid_handler; - } - if (table[i] != &invalid_handler) { - if (is_indirect_opcode(table[i])) { - tmp = test_opcode_table(ind_table(table[i]), - PPC_CPU_INDIRECT_OPCODES_LEN); - if (tmp == 0) { - free(table[i]); - table[i] = &invalid_handler; - } else { - count++; - } - } else { - count++; - } - } - } - - return count; -} - -static void fix_opcode_tables(opc_handler_t **ppc_opcodes) -{ - if (test_opcode_table(ppc_opcodes, PPC_CPU_OPCODES_LEN) == 0) { - printf("*** WARNING: no opcode defined !\n"); - } -} - -/*****************************************************************************/ -static void create_ppc_opcodes(PowerPCCPU *cpu, Error **errp) -{ - PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); - opcode_t *opc; - - fill_new_table(cpu->opcodes, PPC_CPU_OPCODES_LEN); - for (opc = opcodes; opc < &opcodes[ARRAY_SIZE(opcodes)]; opc++) { - if (((opc->handler.type & pcc->insns_flags) != 0) || - ((opc->handler.type2 & pcc->insns_flags2) != 0)) { - if (register_insn(cpu->opcodes, opc) < 0) { - error_setg(errp, "ERROR initializing PowerPC instruction " - "0x%02x 0x%02x 0x%02x", opc->opc1, opc->opc2, - opc->opc3); - return; - } - } - } - fix_opcode_tables(cpu->opcodes); - fflush(stdout); - fflush(stderr); -} - -#if defined(PPC_DUMP_CPU) -static void dump_ppc_insns(CPUPPCState *env) -{ - opc_handler_t **table, *handler; - const char *p, *q; - uint8_t opc1, opc2, opc3, opc4; - - printf("Instructions set:\n"); - /* opc1 is 6 bits long */ - for (opc1 = 0x00; opc1 < PPC_CPU_OPCODES_LEN; opc1++) { - table = env->opcodes; - handler = table[opc1]; - if (is_indirect_opcode(handler)) { - /* opc2 is 5 bits long */ - for (opc2 = 0; opc2 < PPC_CPU_INDIRECT_OPCODES_LEN; opc2++) { - table = env->opcodes; - handler = env->opcodes[opc1]; - table = ind_table(handler); - handler = table[opc2]; - if (is_indirect_opcode(handler)) { - table = ind_table(handler); - /* opc3 is 5 bits long */ - for (opc3 = 0; opc3 < PPC_CPU_INDIRECT_OPCODES_LEN; - opc3++) { - handler = table[opc3]; - if (is_indirect_opcode(handler)) { - table = ind_table(handler); - /* opc4 is 5 bits long */ - for (opc4 = 0; opc4 < PPC_CPU_INDIRECT_OPCODES_LEN; - opc4++) { - handler = table[opc4]; - if (handler->handler != &gen_invalid) { - printf("INSN: %02x %02x %02x %02x -- " - "(%02d %04d %02d) : %s\n", - opc1, opc2, opc3, opc4, - opc1, (opc3 << 5) | opc2, opc4, - handler->oname); - } - } - } else { - if (handler->handler != &gen_invalid) { - /* Special hack to properly dump SPE insns */ - p = strchr(handler->oname, '_'); - if (p == NULL) { - printf("INSN: %02x %02x %02x (%02d %04d) : " - "%s\n", - opc1, opc2, opc3, opc1, - (opc3 << 5) | opc2, - handler->oname); - } else { - q = "speundef"; - if ((p - handler->oname) != strlen(q) - || (memcmp(handler->oname, q, strlen(q)) - != 0)) { - /* First instruction */ - printf("INSN: %02x %02x %02x" - "(%02d %04d) : %.*s\n", - opc1, opc2 << 1, opc3, opc1, - (opc3 << 6) | (opc2 << 1), - (int)(p - handler->oname), - handler->oname); - } - if (strcmp(p + 1, q) != 0) { - /* Second instruction */ - printf("INSN: %02x %02x %02x " - "(%02d %04d) : %s\n", opc1, - (opc2 << 1) | 1, opc3, opc1, - (opc3 << 6) | (opc2 << 1) | 1, - p + 1); - } - } - } - } - } - } else { - if (handler->handler != &gen_invalid) { - printf("INSN: %02x %02x -- (%02d %04d) : %s\n", - opc1, opc2, opc1, opc2, handler->oname); - } - } - } - } else { - if (handler->handler != &gen_invalid) { - printf("INSN: %02x -- -- (%02d ----) : %s\n", - opc1, opc1, handler->oname); - } - } - } -} -#endif -static int ppc_fixup_cpu(PowerPCCPU *cpu) -{ - CPUPPCState *env = &cpu->env; - - /* - * TCG doesn't (yet) emulate some groups of instructions that are - * implemented on some otherwise supported CPUs (e.g. VSX and - * decimal floating point instructions on POWER7). We remove - * unsupported instruction groups from the cpu state's instruction - * masks and hope the guest can cope. For at least the pseries - * machine, the unavailability of these instructions can be - * advertised to the guest via the device tree. - */ - if ((env->insns_flags & ~PPC_TCG_INSNS) - || (env->insns_flags2 & ~PPC_TCG_INSNS2)) { - warn_report("Disabling some instructions which are not " - "emulated by TCG (0x%" PRIx64 ", 0x%" PRIx64 ")", - env->insns_flags & ~PPC_TCG_INSNS, - env->insns_flags2 & ~PPC_TCG_INSNS2); - } - env->insns_flags &= PPC_TCG_INSNS; - env->insns_flags2 &= PPC_TCG_INSNS2; - return 0; -} - static void ppc_cpu_realize(DeviceState *dev, Error **errp) { CPUState *cs = CPU(dev); @@ -10131,40 +9770,12 @@ static void ppc_cpu_unrealize(DeviceState *dev) { PowerPCCPU *cpu = POWERPC_CPU(dev); PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); - opc_handler_t **table, **table_2; - int i, j, k; pcc->parent_unrealize(dev); cpu_remove_sync(CPU(cpu)); - for (i = 0; i < PPC_CPU_OPCODES_LEN; i++) { - if (cpu->opcodes[i] == &invalid_handler) { - continue; - } - if (is_indirect_opcode(cpu->opcodes[i])) { - table = ind_table(cpu->opcodes[i]); - for (j = 0; j < PPC_CPU_INDIRECT_OPCODES_LEN; j++) { - if (table[j] == &invalid_handler) { - continue; - } - if (is_indirect_opcode(table[j])) { - table_2 = ind_table(table[j]); - for (k = 0; k < PPC_CPU_INDIRECT_OPCODES_LEN; k++) { - if (table_2[k] != &invalid_handler && - is_indirect_opcode(table_2[k])) { - g_free((opc_handler_t *)((uintptr_t)table_2[k] & - ~PPC_INDIRECT)); - } - } - g_free((opc_handler_t *)((uintptr_t)table[j] & - ~PPC_INDIRECT)); - } - } - g_free((opc_handler_t *)((uintptr_t)cpu->opcodes[i] & - ~PPC_INDIRECT)); - } - } + destroy_ppc_opcodes(cpu); } static gint ppc_cpu_compare_class_pvr(gconstpointer a, gconstpointer b) |