diff options
| author | Huacai Chen <zltjiangshi@gmail.com> | 2010-06-29 10:50:27 +0800 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2010-06-29 23:07:52 +0200 |
| commit | 5bc6fba85106f5f2780ade06fb59b049eba34cb0 (patch) | |
| tree | 28c17b3584b9a5fc0422a5e18c0e0e58a9c9e89b /target-mips | |
| parent | 30235a54dcbdbff2e04779cba541695827230625 (diff) | |
MIPS: Initial support of fulong mini pc (CPU definition)
Signed-off-by: Huacai Chen <zltjiangshi@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-mips')
| -rw-r--r-- | target-mips/mips-defs.h | 4 | ||||
| -rw-r--r-- | target-mips/translate_init.c | 35 |
2 files changed, 39 insertions, 0 deletions
diff --git a/target-mips/mips-defs.h b/target-mips/mips-defs.h index a7f46974e3..bf094a3bd5 100644 --- a/target-mips/mips-defs.h +++ b/target-mips/mips-defs.h @@ -41,6 +41,8 @@ #define ASE_MICROMIPS 0x00080000 /* Chip specific instructions. */ +#define INSN_LOONGSON2E 0x20000000 +#define INSN_LOONGSON2F 0x40000000 #define INSN_VR54XX 0x80000000 /* MIPS CPU defines. */ @@ -49,6 +51,8 @@ #define CPU_MIPS3 (CPU_MIPS2 | ISA_MIPS3) #define CPU_MIPS4 (CPU_MIPS3 | ISA_MIPS4) #define CPU_VR54XX (CPU_MIPS4 | INSN_VR54XX) +#define CPU_LOONGSON2E (CPU_MIPS3 | INSN_LOONGSON2E) +#define CPU_LOONGSON2F (CPU_MIPS3 | INSN_LOONGSON2F) #define CPU_MIPS5 (CPU_MIPS4 | ISA_MIPS5) diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c index b79ed56804..0d9899e1bd 100644 --- a/target-mips/translate_init.c +++ b/target-mips/translate_init.c @@ -454,6 +454,41 @@ static const mips_def_t mips_defs[] = .insn_flags = CPU_MIPS64R2 | ASE_MIPS3D, .mmu_type = MMU_TYPE_R4000, }, + { + .name = "Loongson-2E", + .CP0_PRid = 0x6302, + /*64KB I-cache and d-cache. 4 way with 32 bit cache line size*/ + .CP0_Config0 = (0x1<<17) | (0x1<<16) | (0x1<<11) | (0x1<<8) | (0x1<<5) | + (0x1<<4) | (0x1<<1), + /* Note: Config1 is only used internally, Loongson-2E has only Config0. */ + .CP0_Config1 = (1 << CP0C1_FP) | (47 << CP0C1_MMU), + .SYNCI_Step = 16, + .CCRes = 2, + .CP0_Status_rw_bitmask = 0x35D0FFFF, + .CP1_fcr0 = (0x5 << FCR0_PRID) | (0x1 << FCR0_REV), + .SEGBITS = 40, + .PABITS = 40, + .insn_flags = CPU_LOONGSON2E, + .mmu_type = MMU_TYPE_R4000, + }, + { + .name = "Loongson-2F", + .CP0_PRid = 0x6303, + /*64KB I-cache and d-cache. 4 way with 32 bit cache line size*/ + .CP0_Config0 = (0x1<<17) | (0x1<<16) | (0x1<<11) | (0x1<<8) | (0x1<<5) | + (0x1<<4) | (0x1<<1), + /* Note: Config1 is only used internally, Loongson-2F has only Config0. */ + .CP0_Config1 = (1 << CP0C1_FP) | (47 << CP0C1_MMU), + .SYNCI_Step = 16, + .CCRes = 2, + .CP0_Status_rw_bitmask = 0xF5D0FF1F, /*bit5:7 not writeable*/ + .CP1_fcr0 = (0x5 << FCR0_PRID) | (0x1 << FCR0_REV), + .SEGBITS = 40, + .PABITS = 40, + .insn_flags = CPU_LOONGSON2F, + .mmu_type = MMU_TYPE_R4000, + }, + #endif }; |