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MIPS -cpu selection support, by Herve Poussineau.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2491 c046a42c-6fe2-441c-8c8c-71466251a162
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ths 2007-03-18 00:30:29 +00:00
parent e24ad6f140
commit 33d68b5f00
10 changed files with 137 additions and 34 deletions
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target-mips/translate_init.c Normal file
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/*
* MIPS emulation for qemu: CPU initialisation routines.
*
* Copyright (c) 2004-2005 Jocelyn Mayer
* Copyright (c) 2007 Herve Poussineau
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
struct mips_def_t {
const unsigned char *name;
int32_t CP0_PRid;
int32_t CP0_Config0;
int32_t CP0_Config1;
};
/*****************************************************************************/
/* MIPS CPU definitions */
static mips_def_t mips_defs[] =
{
#ifndef MIPS_HAS_MIPS64
{
.name = "4Kc",
.CP0_PRid = 0x00018000,
.CP0_Config0 = MIPS_CONFIG0,
.CP0_Config1 = MIPS_CONFIG1,
},
{
.name = "4KEc",
.CP0_PRid = 0x00018400,
.CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR),
.CP0_Config1 = MIPS_CONFIG1,
},
{
.name = "24Kf",
.CP0_PRid = 0x00019300,
.CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR),
.CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP),
},
#else
{
.name = "R4000",
.CP0_PRid = 0x00000400,
.CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT),
.CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP),
},
#endif
};
int mips_find_by_name (const unsigned char *name, mips_def_t **def)
{
int i, ret;
ret = -1;
*def = NULL;
for (i = 0; i < sizeof(mips_defs) / sizeof(mips_defs[0]); i++) {
if (strcasecmp(name, mips_defs[i].name) == 0) {
*def = &mips_defs[i];
ret = 0;
break;
}
}
return ret;
}
void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
{
int i;
for (i = 0; i < sizeof(mips_defs) / sizeof(mips_defs[0]); i++) {
(*cpu_fprintf)(f, "MIPS '%s'\n",
mips_defs[i].name);
}
}
int cpu_mips_register (CPUMIPSState *env, mips_def_t *def)
{
if (!def)
cpu_abort(env, "Unable to find MIPS CPU definition\n");
env->CP0_PRid = def->CP0_PRid;
env->CP0_Config0 = def->CP0_Config0;
env->CP0_Config1 = def->CP0_Config1;
return 0;
}