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author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-03-21 11:04:42 +0000 |
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committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-03-21 11:04:42 +0000 |
commit | 3953d7868768c179440e8302e536b436171205cc (patch) | |
tree | a9b376ace49923e8735d31b1562696f432574713 /target-mips/translate_init.c | |
parent | 1698b74161e9bbcf36c5075fe5b8357024c4b5bb (diff) | |
download | qemu-3953d7868768c179440e8302e536b436171205cc.zip qemu-3953d7868768c179440e8302e536b436171205cc.tar.gz qemu-3953d7868768c179440e8302e536b436171205cc.tar.bz2 |
Move mips CPU specific initialization to translate_init.c.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2522 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips/translate_init.c')
-rw-r--r-- | target-mips/translate_init.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c index b7baff1..b87d8f3 100644 --- a/target-mips/translate_init.c +++ b/target-mips/translate_init.c @@ -19,11 +19,53 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/* CPU / CPU family specific config register values. */ + +/* Have config1, is MIPS32R1, uses TLB, no virtual icache, + uncached coherency */ +#define MIPS_CONFIG0 \ + ((1 << CP0C0_M) | (0x0 << CP0C0_K23) | (0x0 << CP0C0_KU) | \ + (0x0 << CP0C0_AT) | (0x0 << CP0C0_AR) | (0x1 << CP0C0_MT) | \ + (0x2 << CP0C0_K0)) + +/* Have config2, 16 TLB entries, 64 sets Icache, 16 bytes Icache line, + 2-way Icache, 64 sets Dcache, 16 bytes Dcache line, 2-way Dcache, + no coprocessor2 attached, no MDMX support attached, + no performance counters, watch registers present, + no code compression, EJTAG present, no FPU */ +#define MIPS_CONFIG1 \ +((1 << CP0C1_M) | ((MIPS_TLB_NB - 1) << CP0C1_MMU) | \ + (0x0 << CP0C1_IS) | (0x3 << CP0C1_IL) | (0x1 << CP0C1_IA) | \ + (0x0 << CP0C1_DS) | (0x3 << CP0C1_DL) | (0x1 << CP0C1_DA) | \ + (0 << CP0C1_C2) | (0 << CP0C1_MD) | (0 << CP0C1_PC) | \ + (1 << CP0C1_WR) | (0 << CP0C1_CA) | (1 << CP0C1_EP) | \ + (0 << CP0C1_FP)) + +/* Have config3, no tertiary/secondary caches implemented */ +#define MIPS_CONFIG2 \ +((1 << CP0C2_M)) + +/* No config4, no DSP ASE, no large physaddr, + no external interrupt controller, no vectored interupts, + no 1kb pages, no MT ASE, no SmartMIPS ASE, no trace logic */ +#define MIPS_CONFIG3 \ +((0 << CP0C3_M) | (0 << CP0C3_DSPP) | (0 << CP0C3_LPA) | \ + (0 << CP0C3_VEIC) | (0 << CP0C3_VInt) | (0 << CP0C3_SP) | \ + (0 << CP0C3_MT) | (0 << CP0C3_SM) | (0 << CP0C3_TL)) + +/* Define a implementation number of 1. + Define a major version 1, minor version 0. */ +#define MIPS_FCR0 ((0 << 16) | (1 << 8) | (1 << 4) | 0) + + struct mips_def_t { const unsigned char *name; int32_t CP0_PRid; int32_t CP0_Config0; int32_t CP0_Config1; + int32_t CP0_Config2; + int32_t CP0_Config3; + int32_t CP1_fcr0; }; /*****************************************************************************/ @@ -36,18 +78,27 @@ static mips_def_t mips_defs[] = .CP0_PRid = 0x00018000, .CP0_Config0 = MIPS_CONFIG0, .CP0_Config1 = MIPS_CONFIG1, + .CP0_Config2 = MIPS_CONFIG2, + .CP0_Config3 = MIPS_CONFIG3, + .CP1_fcr0 = MIPS_FCR0, }, { .name = "4KEc", .CP0_PRid = 0x00018400, .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR), .CP0_Config1 = MIPS_CONFIG1, + .CP0_Config2 = MIPS_CONFIG2, + .CP0_Config3 = MIPS_CONFIG3, + .CP1_fcr0 = MIPS_FCR0, }, { .name = "24Kf", .CP0_PRid = 0x00019300, .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR), .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP), + .CP0_Config2 = MIPS_CONFIG2, + .CP0_Config3 = MIPS_CONFIG3, + .CP1_fcr0 = MIPS_FCR0, }, #else { @@ -55,6 +106,9 @@ static mips_def_t mips_defs[] = .CP0_PRid = 0x00000400, .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT), .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP), + .CP0_Config2 = MIPS_CONFIG2, + .CP0_Config3 = MIPS_CONFIG3, + .CP1_fcr0 = MIPS_FCR0, }, #endif }; @@ -91,7 +145,14 @@ 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; +#ifdef TARGET_WORDS_BIGENDIAN + env->CP0_Config0 = def->CP0_Config0 | (1 << CP0C0_BE); +#else env->CP0_Config0 = def->CP0_Config0; +#endif env->CP0_Config1 = def->CP0_Config1; + env->CP0_Config2 = def->CP0_Config2; + env->CP0_Config3 = def->CP0_Config3; + env->fcr0 = def->CP1_fcr0; return 0; } |