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authorPavel Dovgalyuk2022-06-20 14:05:37 +0200
committerPhilippe Mathieu-Daudé2022-07-12 22:30:26 +0200
commit9a6046a655626b146b619baec5b39cb3d6e28221 (patch)
tree26fa653ec9b08ab5998e49581bc92d98b9f36518 /target/mips
parenttarget/mips: implement Octeon-specific arithmetic instructions (diff)
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target/mips: introduce Cavium Octeon CPU model
This patch adds Cavium Octeon 68XX vCPU which provides Octeon-specific instructions. Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru> Message-Id: <165572673785.167724.7604881144978983510.stgit@pasha-ThinkPad-X280> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Diffstat (limited to 'target/mips')
-rw-r--r--target/mips/cpu-defs.c.inc28
1 files changed, 28 insertions, 0 deletions
diff --git a/target/mips/cpu-defs.c.inc b/target/mips/cpu-defs.c.inc
index 582f940070..7f53c94ec8 100644
--- a/target/mips/cpu-defs.c.inc
+++ b/target/mips/cpu-defs.c.inc
@@ -921,6 +921,34 @@ const mips_def_t mips_defs[] =
.insn_flags = CPU_MIPS64R2 | ASE_DSP | ASE_DSP_R2,
.mmu_type = MMU_TYPE_R4000,
},
+ {
+ /*
+ * Octeon 68xx with MIPS64 Cavium Octeon features.
+ */
+ .name = "Octeon68XX",
+ .CP0_PRid = 0x000D9100,
+ .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) | (0x2 << CP0C0_AT) |
+ (MMU_TYPE_R4000 << CP0C0_MT),
+ .CP0_Config1 = MIPS_CONFIG1 | (0x3F << CP0C1_MMU) |
+ (1 << CP0C1_IS) | (4 << CP0C1_IL) | (1 << CP0C1_IA) |
+ (1 << CP0C1_DS) | (4 << CP0C1_DL) | (1 << CP0C1_DA) |
+ (1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
+ .CP0_Config2 = MIPS_CONFIG2,
+ .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_LPA) | (1 << CP0C3_DSPP) ,
+ .CP0_Config4 = MIPS_CONFIG4 | (1U << CP0C4_M) |
+ (0x3c << CP0C4_KScrExist) | (1U << CP0C4_MMUExtDef) |
+ (3U << CP0C4_MMUSizeExt),
+ .CP0_LLAddr_rw_bitmask = 0,
+ .CP0_LLAddr_shift = 4,
+ .CP0_PageGrain = (1 << CP0PG_ELPA),
+ .SYNCI_Step = 32,
+ .CCRes = 2,
+ .CP0_Status_rw_bitmask = 0x12F8FFFF,
+ .SEGBITS = 42,
+ .PABITS = 49,
+ .insn_flags = CPU_MIPS64R2 | INSN_OCTEON | ASE_DSP,
+ .mmu_type = MMU_TYPE_R4000,
+ },
#endif
};