[Qemu-devel] [PATCH v4 21/21] target-mips: define a new generic CPU supporting MIPS64 Release 6 ISA

[Leon Alrae]

Signed-off-by: Leon Alrae <address@hidden>
---
v3:
* add comment to make it clear that the current definition of MIPS64R6-generic
  CPU does not contain support for all MIPS64R6 features yet.
---
 target-mips/translate_init.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
index 29dc2ef..67b7837 100644
--- a/target-mips/translate_init.c
+++ b/target-mips/translate_init.c
@@ -516,6 +516,36 @@ static const mips_def_t mips_defs[] =
         .mmu_type = MMU_TYPE_R4000,
     },
     {
+        /* A generic CPU supporting MIPS64 Release 6 ISA.
+           FIXME: It does not support all the MIPS64R6 features yet.
+                  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*/
-- 
2.1.0