Re: [Qemu-devel] [PATCH] target-mips: add CPU definition for MIPS-II

[Vasileios Kalintiris]

________________________________________
From: Vasileios Kalintiris
Sent: 25 November 2014 11:04
To: address@hidden
Cc: Leon Alrae; address@hidden
Subject: [PATCH] target-mips: add CPU definition for MIPS-II

Add mips2-generic among CPU definitions for MIPS.

Signed-off-by: Vasileios Kalintiris <address@hidden>
---
 target-mips/translate_init.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
index 148b394..d4b1cd8 100644
--- a/target-mips/translate_init.c
+++ b/target-mips/translate_init.c
@@ -108,6 +108,29 @@ struct mips_def_t {
 static const mips_def_t mips_defs[] =
 {
     {
+        /* A generic CPU providing MIPS-II features.
+           FIXME: Eventually this should be replaced by a real CPU model. */
+        .name = "mips2-generic",
+        .CP0_PRid = 0x00018000,
+        .CP0_Config0 = MIPS_CONFIG0 | (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) |
+                      (0 << CP0C1_CA),
+        .CP0_Config2 = MIPS_CONFIG2,
+        .CP0_Config3 = MIPS_CONFIG3,
+        .CP0_LLAddr_rw_bitmask = 0,
+        .CP0_LLAddr_shift = 4,
+        .SYNCI_Step = 32,
+        .CCRes = 2,
+        .CP0_Status_rw_bitmask = 0x30000011,
+        .CP1_fcr0 = (1 << FCR0_W) | (1 << FCR0_D) | (1 << FCR0_S),
+        .SEGBITS = 32,
+        .PABITS = 32,
+        .insn_flags = CPU_MIPS2,
+        .mmu_type = MMU_TYPE_R4000,
+    },
+    {
         .name = "4Kc",
         .CP0_PRid = 0x00018000,
         .CP0_Config0 = MIPS_CONFIG0 | (MMU_TYPE_R4000 << CP0C0_MT),
--

ping