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[Qemu-devel] [PULL 1/4] target-mips: add CPU definition for MIPS32R5
From: |
Petar Jovanovic |
Subject: |
[Qemu-devel] [PULL 1/4] target-mips: add CPU definition for MIPS32R5 |
Date: |
Mon, 10 Feb 2014 17:19:25 +0100 |
From: Petar Jovanovic <address@hidden>
Add mips32r5-generic among CPU definitions for MIPS.
Define ISA_MIPS32R3 and ISA_MIPS32R5.
Signed-off-by: Petar Jovanovic <address@hidden>
Reviewed-by: Eric Johnson <address@hidden>
---
target-mips/mips-defs.h | 8 ++++++++
target-mips/translate_init.c | 25 +++++++++++++++++++++++++
2 files changed, 33 insertions(+)
diff --git a/target-mips/mips-defs.h b/target-mips/mips-defs.h
index bf094a3..9dfa516 100644
--- a/target-mips/mips-defs.h
+++ b/target-mips/mips-defs.h
@@ -29,6 +29,8 @@
#define ISA_MIPS32R2 0x00000040
#define ISA_MIPS64 0x00000080
#define ISA_MIPS64R2 0x00000100
+#define ISA_MIPS32R3 0x00000200
+#define ISA_MIPS32R5 0x00000400
/* MIPS ASEs. */
#define ASE_MIPS16 0x00001000
@@ -64,6 +66,12 @@
#define CPU_MIPS32R2 (CPU_MIPS32 | ISA_MIPS32R2)
#define CPU_MIPS64R2 (CPU_MIPS64 | CPU_MIPS32R2 |
ISA_MIPS64R2)
+/* MIPS Technologies "Release 3" */
+#define CPU_MIPS32R3 (CPU_MIPS32R2 | ISA_MIPS32R3)
+
+/* MIPS Technologies "Release 5" */
+#define CPU_MIPS32R5 (CPU_MIPS32R3 | ISA_MIPS32R5)
+
/* Strictly follow the architecture standard:
- Disallow "special" instruction handling for PMON/SPIM.
Note that we still maintain Count/Compare to match the host clock. */
diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c
index c45b1b2..d74a0af 100644
--- a/target-mips/translate_init.c
+++ b/target-mips/translate_init.c
@@ -333,6 +333,31 @@ static const mips_def_t mips_defs[] =
.insn_flags = CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP | ASE_DSPR2,
.mmu_type = MMU_TYPE_R4000,
},
+ {
+ /* A generic CPU providing MIPS32 Release 5 features.
+ FIXME: Eventually this should be replaced by a real CPU model. */
+ .name = "mips32r5-generic",
+ .CP0_PRid = 0x00019700,
+ .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) |
+ (1 << 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 = 0x3778FF1F,
+ .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_MIPS32R5 | ASE_MIPS16 | ASE_DSP | ASE_DSPR2,
+ .mmu_type = MMU_TYPE_R4000,
+ },
#if defined(TARGET_MIPS64)
{
.name = "R4000",
--
1.7.9.5
- [Qemu-devel] [PULL 0/4] user-mode FR switch support for MIPS32r5, Petar Jovanovic, 2014/02/10
- [Qemu-devel] [PULL 2/4] target-mips: add support for CP0_Config4, Petar Jovanovic, 2014/02/10
- [Qemu-devel] [PULL 4/4] target-mips: add user-mode FR switch support for MIPS32r5, Petar Jovanovic, 2014/02/10
- [Qemu-devel] [PULL 3/4] target-mips: add support for CP0_Config5, Petar Jovanovic, 2014/02/10
- [Qemu-devel] [PULL 1/4] target-mips: add CPU definition for MIPS32R5,
Petar Jovanovic <=
- Re: [Qemu-devel] [PULL 0/4] user-mode FR switch support for MIPS32r5, Peter Maydell, 2014/02/13
- Re: [Qemu-devel] [PULL 0/4] user-mode FR switch support for MIPS32r5, Peter Maydell, 2014/02/15