[Qemu-devel] [PATCH 07/10] target-mips: add microMIPS CPUs

[Nathan Froyd]

Signed-off-by: Nathan Froyd <address@hidden>
---
 target-mips/translate_init.c |   61 ++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 61 insertions(+), 0 deletions(-)

diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
index b79ed56..8e17f4b 100644
--- a/target-mips/translate_init.c
+++ b/target-mips/translate_init.c
@@ -141,6 +141,25 @@ static const mips_def_t mips_defs[] =
         .mmu_type = MMU_TYPE_FMT,
     },
     {
+        .name = "4Km-micromips",
+        .CP0_PRid = 0x00018300,
+        /* Config1 implemented, fixed mapping MMU,
+           no virtual icache, uncached coherency. */
+        .CP0_Config0 = MIPS_CONFIG0 | (MMU_TYPE_FMT << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 |
+                   (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                   (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x1258FF17,
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32R2 | ASE_MICROMIPS,
+        .mmu_type = MMU_TYPE_FMT,
+    },
+    {
         .name = "4KEcR1",
         .CP0_PRid = 0x00018400,
         .CP0_Config0 = MIPS_CONFIG0 | (MMU_TYPE_R4000 << CP0C0_MT),
@@ -245,6 +264,25 @@ static const mips_def_t mips_defs[] =
         .mmu_type = MMU_TYPE_R4000,
     },
     {
+        .name = "24Kc-micromips",
+        .CP0_PRid = 0x00019300,
+        .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
+                    (MMU_TYPE_R4000 << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 | (15 << CP0C1_MMU) |
+                   (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                   (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt),
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        /* No DSP implemented. */
+        .CP0_Status_rw_bitmask = 0x1278FF1F,
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32R2 | ASE_MICROMIPS,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
         .name = "24Kf",
         .CP0_PRid = 0x00019300,
         .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
@@ -269,6 +307,29 @@ static const mips_def_t mips_defs[] =
         .mmu_type = MMU_TYPE_R4000,
     },
     {
+        .name = "24Kf-micromips",
+        .CP0_PRid = 0x00019300,
+        .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
+                    (MMU_TYPE_R4000 << CP0C0_MT),
+        .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (15 << CP0C1_MMU) |
+                       (0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
+                       (0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt),
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        /* No DSP implemented. */
+        .CP0_Status_rw_bitmask = 0x3678FF1F,
+        .CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
+                    (1 << FCR0_D) | (1 << FCR0_S) | (0x93 << FCR0_PRID),
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS32R2 | ASE_MICROMIPS,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
         .name = "34Kf",
         .CP0_PRid = 0x00019500,
         .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
-- 
1.6.3.2