From: Huacai Chen <zltjiangshi@gmail.com>
To: aurelien@aurel32.net
Cc: blauwirbel@gmail.com, yamahata@valinux.co.jp,
qemu-devel@nongnu.org, Huacai Chen <zltjiangshi@gmail.com>
Subject: [Qemu-devel] [PATCH v4 5/7] MIPS: Initial support of fulong mini pc (CPU definition)
Date: Sat, 5 Jun 2010 18:40:59 +0800 [thread overview]
Message-ID: <1275734459-5192-1-git-send-email-zltjiangshi@gmail.com> (raw)
Signed-off-by: Huacai Chen <zltjiangshi@gmail.com>
---
target-mips/mips-defs.h | 4 ++++
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 c57de02..38594da 100644
--- a/target-mips/mips-defs.h
+++ b/target-mips/mips-defs.h
@@ -40,6 +40,8 @@
#define ASE_SMARTMIPS 0x00040000
/* Chip specific instructions. */
+#define INSN_LOONGSON2E 0x20000000
+#define INSN_LOONGSON2F 0x40000000
#define INSN_VR54XX 0x80000000
/* MIPS CPU defines. */
@@ -48,6 +50,8 @@
#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 b79ed56..0d9899e 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
};
--
1.7.0.4
reply other threads:[~2010-06-05 10:39 UTC|newest]
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