Define ISA_MIPS64R6 and add MIPS64R6-generic core supporting new ISA.
Additionally define ISA_MIPS64R3 and ISA_MIPS64R5 to fill the gap.
Signed-off-by: Leon Alrae <leon.al...@imgtec.com>
---
target-mips/mips-defs.h | 28 +++++++++++++++++++---------
target-mips/translate_init.c | 29 +++++++++++++++++++++++++++++
2 files changed, 48 insertions(+), 9 deletions(-)
diff --git a/target-mips/mips-defs.h b/target-mips/mips-defs.h
index 9dfa516..6cb62b2 100644
--- a/target-mips/mips-defs.h
+++ b/target-mips/mips-defs.h
@@ -30,17 +30,21 @@
#define ISA_MIPS64 0x00000080
#define ISA_MIPS64R2 0x00000100
#define ISA_MIPS32R3 0x00000200
-#define ISA_MIPS32R5 0x00000400
+#define ISA_MIPS64R3 0x00000400
+#define ISA_MIPS32R5 0x00000800
+#define ISA_MIPS64R5 0x00001000
+#define ISA_MIPS32R6 0x00002000
+#define ISA_MIPS64R6 0x00004000
/* MIPS ASEs. */
-#define ASE_MIPS16 0x00001000
-#define ASE_MIPS3D 0x00002000
-#define ASE_MDMX 0x00004000
-#define ASE_DSP 0x00008000
-#define ASE_DSPR2 0x00010000
-#define ASE_MT 0x00020000
-#define ASE_SMARTMIPS 0x00040000
-#define ASE_MICROMIPS 0x00080000
+#define ASE_MIPS16 0x00010000
+#define ASE_MIPS3D 0x00020000
+#define ASE_MDMX 0x00040000
+#define ASE_DSP 0x00080000
+#define ASE_DSPR2 0x00100000
+#define ASE_MT 0x00200000
+#define ASE_SMARTMIPS 0x00400000
+#define ASE_MICROMIPS 0x00800000
/* Chip specific instructions. */
#define INSN_LOONGSON2E 0x20000000
@@ -68,9 +72,15 @@
/* MIPS Technologies "Release 3" */
#define CPU_MIPS32R3 (CPU_MIPS32R2 | ISA_MIPS32R3)
+#define CPU_MIPS64R3 (CPU_MIPS64R2 | CPU_MIPS32R3 | ISA_MIPS64R3)
/* MIPS Technologies "Release 5" */
#define CPU_MIPS32R5 (CPU_MIPS32R3 | ISA_MIPS32R5)
+#define CPU_MIPS64R5 (CPU_MIPS64R3 | CPU_MIPS32R5 | ISA_MIPS64R5)
+
+/* MIPS Technologies "Release 6" */
+#define CPU_MIPS32R6 (CPU_MIPS32R5 | ISA_MIPS32R6)
+#define CPU_MIPS64R6 (CPU_MIPS64R5 | CPU_MIPS32R6 | ISA_MIPS64R6)
/* Strictly follow the architecture standard:
- Disallow "special" instruction handling for PMON/SPIM.
diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
index 29dc2ef..0adbb19 100644
--- a/target-mips/translate_init.c
+++ b/target-mips/translate_init.c
@@ -516,6 +516,35 @@ static const mips_def_t mips_defs[] =
.mmu_type = MMU_TYPE_R4000,
},
{
+ /* A generic CPU providing MIPS64 Release 6 features.
+ FIXME: Eventually this should be replaced by a real CPU model. */
+ .name = "MIPS64R6-generic",
+ .CP0_PRid = 0x00010000,
+ .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AR) | (0x2 << CP0C0_AT) |
+ (MMU_TYPE_R4000 << CP0C0_MT),
+ .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (63 << CP0C1_MMU) |
+ (2 << CP0C1_IS) | (4 << CP0C1_IL) | (3 << CP0C1_IA) |
+ (2 << CP0C1_DS) | (4 << CP0C1_DL) | (3 << CP0C1_DA) |
+ (0 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
+ .CP0_Config2 = MIPS_CONFIG2,
+ .CP0_Config3 = MIPS_CONFIG3,
+ .CP0_LLAddr_rw_bitmask = 0,
+ .CP0_LLAddr_shift = 0,
+ .SYNCI_Step = 32,
+ .CCRes = 2,
+ .CP0_Status_rw_bitmask = 0x30D8FFFF,
+ .CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
+ (1 << FCR0_D) | (1 << FCR0_S) | (0x00 << FCR0_PRID) |
+ (0x0 << FCR0_REV),
+ .SEGBITS = 42,
+ /* The architectural limit is 59, but we have hardcoded 36 bit
+ in some places...
+ .PABITS = 59, */ /* the architectural limit */
+ .PABITS = 36,
+ .insn_flags = CPU_MIPS64R6,
+ .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*/
--
1.7.5.4
