#include "cpu.h"
#include "exec-all.h"
#include "qemu-common.h"
-#include "helper.h"
//#define DEBUG_MMU
//#define DEBUG_FEATURES
}
#endif
-#ifdef TARGET_SPARC64
-#ifdef DEBUG_PCALL
-static const char * const excp_names[0x80] = {
- [TT_TFAULT] = "Instruction Access Fault",
- [TT_TMISS] = "Instruction Access MMU Miss",
- [TT_CODE_ACCESS] = "Instruction Access Error",
- [TT_ILL_INSN] = "Illegal Instruction",
- [TT_PRIV_INSN] = "Privileged Instruction",
- [TT_NFPU_INSN] = "FPU Disabled",
- [TT_FP_EXCP] = "FPU Exception",
- [TT_TOVF] = "Tag Overflow",
- [TT_CLRWIN] = "Clean Windows",
- [TT_DIV_ZERO] = "Division By Zero",
- [TT_DFAULT] = "Data Access Fault",
- [TT_DMISS] = "Data Access MMU Miss",
- [TT_DATA_ACCESS] = "Data Access Error",
- [TT_DPROT] = "Data Protection Error",
- [TT_UNALIGNED] = "Unaligned Memory Access",
- [TT_PRIV_ACT] = "Privileged Action",
- [TT_EXTINT | 0x1] = "External Interrupt 1",
- [TT_EXTINT | 0x2] = "External Interrupt 2",
- [TT_EXTINT | 0x3] = "External Interrupt 3",
- [TT_EXTINT | 0x4] = "External Interrupt 4",
- [TT_EXTINT | 0x5] = "External Interrupt 5",
- [TT_EXTINT | 0x6] = "External Interrupt 6",
- [TT_EXTINT | 0x7] = "External Interrupt 7",
- [TT_EXTINT | 0x8] = "External Interrupt 8",
- [TT_EXTINT | 0x9] = "External Interrupt 9",
- [TT_EXTINT | 0xa] = "External Interrupt 10",
- [TT_EXTINT | 0xb] = "External Interrupt 11",
- [TT_EXTINT | 0xc] = "External Interrupt 12",
- [TT_EXTINT | 0xd] = "External Interrupt 13",
- [TT_EXTINT | 0xe] = "External Interrupt 14",
- [TT_EXTINT | 0xf] = "External Interrupt 15",
-};
-#endif
-
-void do_interrupt(CPUState *env)
-{
- int intno = env->exception_index;
-
-#ifdef DEBUG_PCALL
- if (loglevel & CPU_LOG_INT) {
- static int count;
- const char *name;
-
- if (intno < 0 || intno >= 0x180)
- name = "Unknown";
- else if (intno >= 0x100)
- name = "Trap Instruction";
- else if (intno >= 0xc0)
- name = "Window Fill";
- else if (intno >= 0x80)
- name = "Window Spill";
- else {
- name = excp_names[intno];
- if (!name)
- name = "Unknown";
- }
-
- fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
- " SP=%016" PRIx64 "\n",
- count, name, intno,
- env->pc,
- env->npc, env->regwptr[6]);
- cpu_dump_state(env, logfile, fprintf, 0);
-#if 0
- {
- int i;
- uint8_t *ptr;
-
- fprintf(logfile, " code=");
- ptr = (uint8_t *)env->pc;
- for(i = 0; i < 16; i++) {
- fprintf(logfile, " %02x", ldub(ptr + i));
- }
- fprintf(logfile, "\n");
- }
-#endif
- count++;
- }
-#endif
-#if !defined(CONFIG_USER_ONLY)
- if (env->tl >= env->maxtl) {
- cpu_abort(env, "Trap 0x%04x while trap level (%d) >= MAXTL (%d),"
- " Error state", env->exception_index, env->tl, env->maxtl);
- return;
- }
-#endif
- if (env->tl < env->maxtl - 1) {
- env->tl++;
- } else {
- env->pstate |= PS_RED;
- if (env->tl < env->maxtl)
- env->tl++;
- }
- env->tsptr = &env->ts[env->tl & MAXTL_MASK];
- env->tsptr->tstate = ((uint64_t)GET_CCR(env) << 32) |
- ((env->asi & 0xff) << 24) | ((env->pstate & 0xf3f) << 8) |
- GET_CWP64(env);
- env->tsptr->tpc = env->pc;
- env->tsptr->tnpc = env->npc;
- env->tsptr->tt = intno;
- if (!(env->def->features & CPU_FEATURE_GL)) {
- switch (intno) {
- case TT_IVEC:
- change_pstate(PS_PEF | PS_PRIV | PS_IG);
- break;
- case TT_TFAULT:
- case TT_TMISS:
- case TT_DFAULT:
- case TT_DMISS:
- case TT_DPROT:
- change_pstate(PS_PEF | PS_PRIV | PS_MG);
- break;
- default:
- change_pstate(PS_PEF | PS_PRIV | PS_AG);
- break;
- }
- }
- if (intno == TT_CLRWIN)
- cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - 1));
- else if ((intno & 0x1c0) == TT_SPILL)
- cpu_set_cwp(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2));
- else if ((intno & 0x1c0) == TT_FILL)
- cpu_set_cwp(env, cpu_cwp_inc(env, env->cwp + 1));
- env->tbr &= ~0x7fffULL;
- env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5);
- env->pc = env->tbr;
- env->npc = env->pc + 4;
- env->exception_index = 0;
-}
-#else
-#ifdef DEBUG_PCALL
-static const char * const excp_names[0x80] = {
- [TT_TFAULT] = "Instruction Access Fault",
- [TT_ILL_INSN] = "Illegal Instruction",
- [TT_PRIV_INSN] = "Privileged Instruction",
- [TT_NFPU_INSN] = "FPU Disabled",
- [TT_WIN_OVF] = "Window Overflow",
- [TT_WIN_UNF] = "Window Underflow",
- [TT_UNALIGNED] = "Unaligned Memory Access",
- [TT_FP_EXCP] = "FPU Exception",
- [TT_DFAULT] = "Data Access Fault",
- [TT_TOVF] = "Tag Overflow",
- [TT_EXTINT | 0x1] = "External Interrupt 1",
- [TT_EXTINT | 0x2] = "External Interrupt 2",
- [TT_EXTINT | 0x3] = "External Interrupt 3",
- [TT_EXTINT | 0x4] = "External Interrupt 4",
- [TT_EXTINT | 0x5] = "External Interrupt 5",
- [TT_EXTINT | 0x6] = "External Interrupt 6",
- [TT_EXTINT | 0x7] = "External Interrupt 7",
- [TT_EXTINT | 0x8] = "External Interrupt 8",
- [TT_EXTINT | 0x9] = "External Interrupt 9",
- [TT_EXTINT | 0xa] = "External Interrupt 10",
- [TT_EXTINT | 0xb] = "External Interrupt 11",
- [TT_EXTINT | 0xc] = "External Interrupt 12",
- [TT_EXTINT | 0xd] = "External Interrupt 13",
- [TT_EXTINT | 0xe] = "External Interrupt 14",
- [TT_EXTINT | 0xf] = "External Interrupt 15",
- [TT_TOVF] = "Tag Overflow",
- [TT_CODE_ACCESS] = "Instruction Access Error",
- [TT_DATA_ACCESS] = "Data Access Error",
- [TT_DIV_ZERO] = "Division By Zero",
- [TT_NCP_INSN] = "Coprocessor Disabled",
-};
-#endif
-
-void do_interrupt(CPUState *env)
-{
- int cwp, intno = env->exception_index;
-
-#ifdef DEBUG_PCALL
- if (loglevel & CPU_LOG_INT) {
- static int count;
- const char *name;
-
- if (intno < 0 || intno >= 0x100)
- name = "Unknown";
- else if (intno >= 0x80)
- name = "Trap Instruction";
- else {
- name = excp_names[intno];
- if (!name)
- name = "Unknown";
- }
-
- fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
- count, name, intno,
- env->pc,
- env->npc, env->regwptr[6]);
- cpu_dump_state(env, logfile, fprintf, 0);
-#if 0
- {
- int i;
- uint8_t *ptr;
-
- fprintf(logfile, " code=");
- ptr = (uint8_t *)env->pc;
- for(i = 0; i < 16; i++) {
- fprintf(logfile, " %02x", ldub(ptr + i));
- }
- fprintf(logfile, "\n");
- }
-#endif
- count++;
- }
-#endif
-#if !defined(CONFIG_USER_ONLY)
- if (env->psret == 0) {
- cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state",
- env->exception_index);
- return;
- }
-#endif
- env->psret = 0;
- cwp = cpu_cwp_dec(env, env->cwp - 1);
- cpu_set_cwp(env, cwp);
- env->regwptr[9] = env->pc;
- env->regwptr[10] = env->npc;
- env->psrps = env->psrs;
- env->psrs = 1;
- env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
- env->pc = env->tbr;
- env->npc = env->pc + 4;
- env->exception_index = 0;
-}
-#endif
-
-void memcpy32(target_ulong *dst, const target_ulong *src)
-{
- dst[0] = src[0];
- dst[1] = src[1];
- dst[2] = src[2];
- dst[3] = src[3];
- dst[4] = src[4];
- dst[5] = src[5];
- dst[6] = src[6];
- dst[7] = src[7];
-}
-
void cpu_reset(CPUSPARCState *env)
{
tlb_flush(env, 1);
projects / qemu / blobdiff