diff options
| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-04-17 15:26:47 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-04-17 15:26:47 +0000 |
| commit | fcb4a419f52e538b68510a68f30d8834dd211155 (patch) | |
| tree | dde98a86a29d51b875dba98d448e1ae18c0f691d /target-mips/translate_init.c | |
| parent | 04f20795ac815cf3ad5d1fdc99462f60eb871f25 (diff) | |
Choose number of TLBs at runtime, by Herve Poussineau.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2693 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips/translate_init.c')
| -rw-r--r-- | target-mips/translate_init.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c index f2966ea89..51c571d0e 100644 --- a/target-mips/translate_init.c +++ b/target-mips/translate_init.c @@ -28,13 +28,13 @@ (0x0 << CP0C0_AT) | (0x0 << CP0C0_AR) | (0x1 << CP0C0_MT) | \ (0x2 << CP0C0_K0)) -/* Have config2, 16 TLB entries, 64 sets Icache, 16 bytes Icache line, +/* Have config2, 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) | \ +((1 << CP0C1_M) | \ (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) | \ @@ -81,7 +81,7 @@ static mips_def_t mips_defs[] = .name = "4Kc", .CP0_PRid = 0x00018000, .CP0_Config0 = MIPS_CONFIG0, - .CP0_Config1 = MIPS_CONFIG1, + .CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU), .CP0_Config2 = MIPS_CONFIG2, .CP0_Config3 = MIPS_CONFIG3, .SYNCI_Step = 32, @@ -92,7 +92,7 @@ static mips_def_t mips_defs[] = .name = "4KEcR1", .CP0_PRid = 0x00018400, .CP0_Config0 = MIPS_CONFIG0, - .CP0_Config1 = MIPS_CONFIG1, + .CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU), .CP0_Config2 = MIPS_CONFIG2, .CP0_Config3 = MIPS_CONFIG3, .SYNCI_Step = 32, @@ -103,7 +103,7 @@ static mips_def_t mips_defs[] = .name = "4KEc", .CP0_PRid = 0x00019000, .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR), - .CP0_Config1 = MIPS_CONFIG1, + .CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU), .CP0_Config2 = MIPS_CONFIG2, .CP0_Config3 = MIPS_CONFIG3, .SYNCI_Step = 32, @@ -114,7 +114,7 @@ static mips_def_t mips_defs[] = .name = "24Kc", .CP0_PRid = 0x00019300, .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR), - .CP0_Config1 = MIPS_CONFIG1, + .CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU), .CP0_Config2 = MIPS_CONFIG2, .CP0_Config3 = MIPS_CONFIG3, .SYNCI_Step = 32, @@ -125,7 +125,7 @@ static mips_def_t mips_defs[] = .name = "24Kf", .CP0_PRid = 0x00019300, .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR), - .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP), + .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (15 << CP0C1_MMU), .CP0_Config2 = MIPS_CONFIG2, .CP0_Config3 = MIPS_CONFIG3, .SYNCI_Step = 32, @@ -137,7 +137,7 @@ static mips_def_t mips_defs[] = .name = "R4000", .CP0_PRid = 0x00000400, .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT), - .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP), + .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (47 << CP0C1_MMU), .CP0_Config2 = MIPS_CONFIG2, .CP0_Config3 = MIPS_CONFIG3, .SYNCI_Step = 16, @@ -192,5 +192,10 @@ int cpu_mips_register (CPUMIPSState *env, mips_def_t *def) env->SYNCI_Step = def->SYNCI_Step; env->CCRes = def->CCRes; env->fcr0 = def->CP1_fcr0; +#if defined (MIPS_USES_R4K_TLB) + env->nb_tlb = 1 + ((def->CP0_Config1 >> CP0C1_MMU) & 63); + env->CP0_Random = env->nb_tlb - 1; + env->tlb_in_use = env->nb_tlb; +#endif return 0; } |