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unicorn/qemu/target-mips/translate_init.c
André Draszik f14ece4aa1
target-mips: add 24KEc CPU definition 
Define a new CPU definition supporting 24KEc cores, similar to
the existing 24Kc, but with added support for DSP instructions
and MIPS16e (and without FPU).

Backports commit e9deaad8a58c899dc32e9fdeff9e533070e79dca from qemu
2018-02-26 03:50:22 -05:00

1211 lines
34 KiB
C
Raw Blame History

/*
* MIPS emulation for qemu: CPU initialisation routines.
*
* Copyright (c) 2004-2005 Jocelyn Mayer
* Copyright (c) 2007 Herve Poussineau
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/* CPU / CPU family specific config register values. */
/* Have config1, uncached coherency */
#define MIPS_CONFIG0 \
((1U << CP0C0_M) | (0x2 << CP0C0_K0))
/* Have config2, no coprocessor2 attached, no MDMX support attached,
no performance counters, watch registers present,
no code compression, EJTAG present, no FPU */
#define MIPS_CONFIG1 \
((1U << CP0C1_M) | \
(0 << CP0C1_C2) | (0 << CP0C1_MD) | (0 << CP0C1_PC) | \
(1 << CP0C1_WR) | (0 << CP0C1_CA) | (1 << CP0C1_EP) | \
(0 << CP0C1_FP))
/* Have config3, no tertiary/secondary caches implemented */
#define MIPS_CONFIG2 \
((1U << CP0C2_M))
/* No config4, no DSP ASE, no large physaddr (PABITS),
no external interrupt controller, no vectored interrupts,
no 1kb pages, no SmartMIPS ASE, no trace logic */
#define MIPS_CONFIG3 \
((0 << CP0C3_M) | (0 << CP0C3_DSPP) | (0 << CP0C3_LPA) | \
(0 << CP0C3_VEIC) | (0 << CP0C3_VInt) | (0 << CP0C3_SP) | \
(0 << CP0C3_SM) | (0 << CP0C3_TL))
#define MIPS_CONFIG4 \
((0 << CP0C4_M))
#define MIPS_CONFIG5 \
((0 << CP0C5_M))
/* MMU types, the first four entries have the same layout as the
CP0C0_MT field. */
enum mips_mmu_types {
MMU_TYPE_NONE,
MMU_TYPE_R4000,
MMU_TYPE_RESERVED,
MMU_TYPE_FMT,
MMU_TYPE_R3000,
MMU_TYPE_R6000,
MMU_TYPE_R8000
};
struct mips_def_t {
const char *name;
int32_t CP0_PRid;
int32_t CP0_Config0;
int32_t CP0_Config1;
int32_t CP0_Config2;
int32_t CP0_Config3;
int32_t CP0_Config4;
int32_t CP0_Config4_rw_bitmask;
int32_t CP0_Config5;
int32_t CP0_Config5_rw_bitmask;
int32_t CP0_Config6;
int32_t CP0_Config7;
target_ulong CP0_LLAddr_rw_bitmask;
int CP0_LLAddr_shift;
int32_t SYNCI_Step;
int32_t CCRes;
int32_t CP0_Status_rw_bitmask;
int32_t CP0_TCStatus_rw_bitmask;
int32_t CP0_SRSCtl;
int32_t CP1_fcr0;
int32_t CP1_fcr31_rw_bitmask;
int32_t CP1_fcr31;
int32_t MSAIR;
int32_t SEGBITS;
int32_t PABITS;
int32_t CP0_SRSConf0_rw_bitmask;
int32_t CP0_SRSConf0;
int32_t CP0_SRSConf1_rw_bitmask;
int32_t CP0_SRSConf1;
int32_t CP0_SRSConf2_rw_bitmask;
int32_t CP0_SRSConf2;
int32_t CP0_SRSConf3_rw_bitmask;
int32_t CP0_SRSConf3;
int32_t CP0_SRSConf4_rw_bitmask;
int32_t CP0_SRSConf4;
int32_t CP0_PageGrain_rw_bitmask;
int32_t CP0_PageGrain;
int insn_flags;
enum mips_mmu_types mmu_type;
};
/*****************************************************************************/
/* MIPS CPU definitions */
static const mips_def_t mips_defs[] =
{
{
"4Kc",
0x00018000,
MIPS_CONFIG0 | (MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (15 << CP0C1_MMU) |
(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
(0 << CP0C1_CA),
MIPS_CONFIG2,
MIPS_CONFIG3,
0,0,
0,0,
0,
0,
0,
4,
32,
2,
0x1278FF17,
0,
0,
0, // CP1_fcr0
0,
0, // CP1_fcr31
0,
32,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS32,
MMU_TYPE_R4000,
},
{
"4Km",
0x00018300,
/* Config1 implemented, fixed mapping MMU,
no virtual icache, uncached coherency. */
MIPS_CONFIG0 | (MMU_TYPE_FMT << CP0C0_MT),
MIPS_CONFIG1 |
(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
(1 << CP0C1_CA),
MIPS_CONFIG2,
MIPS_CONFIG3,
0,0,
0,0,
0,
0,
0,
4,
32,
2,
0x1258FF17,
0,
0,
0, // CP1_fcr0
0,
0, // CP1_fcr31
0,
32,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS32 | ASE_MIPS16,
MMU_TYPE_FMT,
},
{
"4KEcR1",
0x00018400,
MIPS_CONFIG0 | (MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (15 << CP0C1_MMU) |
(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
(0 << CP0C1_CA),
MIPS_CONFIG2,
MIPS_CONFIG3,
0,0,
0,0,
0,
0,
0,
4,
32,
2,
0x1278FF17,
0,
0,
0, // CP1_fcr0
0,
0, // CP1_fcr31
0,
32,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS32,
MMU_TYPE_R4000,
},
{
"4KEmR1",
0x00018500,
MIPS_CONFIG0 | (MMU_TYPE_FMT << CP0C0_MT),
MIPS_CONFIG1 |
(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
(1 << CP0C1_CA),
MIPS_CONFIG2,
MIPS_CONFIG3,
0,0,
0,0,
0,
0,
0,
4,
32,
2,
0x1258FF17,
0,
0,
0, // CP1_fcr0
0,
0, // CP1_fcr31
0,
32,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS32 | ASE_MIPS16,
MMU_TYPE_FMT,
},
{
"4KEc",
0x00019000,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
(MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (15 << CP0C1_MMU) |
(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
(0 << CP0C1_CA),
MIPS_CONFIG2,
MIPS_CONFIG3 | (0 << CP0C3_VInt),
0,0,
0,0,
0,
0,
0,
4,
32,
2,
0x1278FF17,
0,
0,
0, // CP1_fcr0
0,
0, // CP1_fcr31
0,
32,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS32R2,
MMU_TYPE_R4000,
},
{
"4KEm",
0x00019100,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
(MMU_TYPE_FMT << CP0C0_MT),
MIPS_CONFIG1 |
(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
(1 << CP0C1_CA),
MIPS_CONFIG2,
MIPS_CONFIG3,
0,0,
0,0,
0,
0,
0,
4,
32,
2,
0x1258FF17,
0,
0,
0, // CP1_fcr0
0,
0, // CP1_fcr31
0,
32,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS32R2 | ASE_MIPS16,
MMU_TYPE_FMT,
},
{
"24Kc",
0x00019300,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
(MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (15 << CP0C1_MMU) |
(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
(1 << CP0C1_CA),
MIPS_CONFIG2,
MIPS_CONFIG3 | (0 << CP0C3_VInt),
0,0,
0,0,
0,
0,
0,
4,
32,
2,
/* No DSP implemented. */
0x1278FF1F,
0,
0,
0, // CP1_fcr0
0,
0, // CP1_fcr31
0,
32,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS32R2 | ASE_MIPS16,
MMU_TYPE_R4000,
},
{
"24KEc",
0x00019600,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
(MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (15 << CP0C1_MMU) |
(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA) |
(1 << CP0C1_CA),
MIPS_CONFIG2,
MIPS_CONFIG3 | (1 << CP0C3_DSPP) | (0 << CP0C3_VInt),
0,0,
0,0,
0,
0,
0,
4,
32,
2,
/* we have a DSP, but no FPU */
0x1378FF1F,
0,
0,
0,
0,
0,
0,
32,
32,
0,0,
0,0,
0,0,
0,0,
0,0,
0,0,
CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP,
MMU_TYPE_R4000,
},
{
"24Kf",
0x00019300,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
(MMU_TYPE_R4000 << CP0C0_MT),
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),
MIPS_CONFIG2,
MIPS_CONFIG3 | (0 << CP0C3_VInt),
0,0,
0,0,
0,
0,
0,
4,
32,
2,
/* No DSP implemented. */
0x3678FF1F,
0,
0,
(1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
(1 << FCR0_D) | (1 << FCR0_S) | (0x93 << FCR0_PRID),
0xFF83FFFF,
0,
0,
32,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS32R2 | ASE_MIPS16,
MMU_TYPE_R4000,
},
{
"34Kf",
0x00019500,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
(MMU_TYPE_R4000 << CP0C0_MT),
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),
MIPS_CONFIG2,
MIPS_CONFIG3 | (1 << CP0C3_VInt) | (1 << CP0C3_MT) |
(1 << CP0C3_DSPP),
0,
0,
32,
2,
0x3778FF1F,
(0 << CP0TCSt_TCU3) | (0 << CP0TCSt_TCU2) |
(1 << CP0TCSt_TCU1) | (1 << CP0TCSt_TCU0) |
(0 << CP0TCSt_TMX) | (1 << CP0TCSt_DT) |
(1 << CP0TCSt_DA) | (1 << CP0TCSt_A) |
(0x3 << CP0TCSt_TKSU) | (1 << CP0TCSt_IXMT) |
(0xff << CP0TCSt_TASID),
(0xf << CP0SRSCtl_HSS),
(1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
(1 << FCR0_D) | (1 << FCR0_S) | (0x95 << FCR0_PRID),
0xFF83FFFF,
0,
0,
32,
32,
0x3fffffff,
(1U << CP0SRSC0_M) | (0x3fe << CP0SRSC0_SRS3) |
(0x3fe << CP0SRSC0_SRS2) | (0x3fe << CP0SRSC0_SRS1),
0x3fffffff,
(1U << CP0SRSC1_M) | (0x3fe << CP0SRSC1_SRS6) |
(0x3fe << CP0SRSC1_SRS5) | (0x3fe << CP0SRSC1_SRS4),
0x3fffffff,
(1U << CP0SRSC2_M) | (0x3fe << CP0SRSC2_SRS9) |
(0x3fe << CP0SRSC2_SRS8) | (0x3fe << CP0SRSC2_SRS7),
0x3fffffff,
(1U << CP0SRSC3_M) | (0x3fe << CP0SRSC3_SRS12) |
(0x3fe << CP0SRSC3_SRS11) | (0x3fe << CP0SRSC3_SRS10),
0x3fffffff,
(0x3fe << CP0SRSC4_SRS15) |
(0x3fe << CP0SRSC4_SRS14) | (0x3fe << CP0SRSC4_SRS13),
0,0,
CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP | ASE_MT,
MMU_TYPE_R4000,
},
{
"74Kf",
0x00019700,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
(MMU_TYPE_R4000 << CP0C0_MT),
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),
MIPS_CONFIG2,
MIPS_CONFIG3 | (1 << CP0C3_DSP2P) | (1 << CP0C3_DSPP) |
(1 << CP0C3_VInt),
0,0,
0,0,
0,
0,
0,
4,
32,
2,
0x3778FF1F,
0,
0,
(1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
(1 << FCR0_D) | (1 << FCR0_S) | (0x93 << FCR0_PRID),
0xFF83FFFF,
0,
0,
32,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP | ASE_DSPR2,
MMU_TYPE_R4000,
},
{
"M14K",
0x00019b00,
/* Config1 implemented, fixed mapping MMU,
no virtual icache, uncached coherency. */
MIPS_CONFIG0 | (0x2 << CP0C0_KU) | (0x2 << CP0C0_K23) |
(0x1 << CP0C0_AR) | (MMU_TYPE_FMT << CP0C0_MT),
MIPS_CONFIG1,
MIPS_CONFIG2,
MIPS_CONFIG3 | (0x2 << CP0C3_ISA) | (1 << CP0C3_VInt),
0, 0,
0, 0,
0,
0,
0,
4,
32,
2,
0x1258FF17,
0,
0,
0, // CP1_fcr0
0,
0, // CP1_fcr31
0,
32,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS32R2 | ASE_MICROMIPS,
MMU_TYPE_FMT,
},
{
"M14Kc",
/* This is the TLB-based MMU core. */
0x00019c00,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
(MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (15 << CP0C1_MMU) |
(0 << CP0C1_IS) | (3 << CP0C1_IL) | (1 << CP0C1_IA) |
(0 << CP0C1_DS) | (3 << CP0C1_DL) | (1 << CP0C1_DA),
MIPS_CONFIG2,
MIPS_CONFIG3 | (0x2 << CP0C3_ISA) | (0 << CP0C3_VInt),
0, 0,
0, 0,
0,
0,
0,
4,
32,
2,
0x1278FF17,
0,
0,
0, // CP1_fcr0
0,
0, // CP1_fcr31
0,
32,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS32R2 | ASE_MICROMIPS,
MMU_TYPE_R4000,
},
{
/* FIXME:
* Config3: CMGCR, SC, PW, VZ, CTXTC, CDMM, TL
* Config4: MMUExtDef
* Config5: EVA, MRP
* FIR(FCR0): Has2008
* */
"P5600",
0x0001A800,
MIPS_CONFIG0 | (1 << CP0C0_MM) | (1 << CP0C0_AR) |
(MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (0x3F << CP0C1_MMU) |
(2 << CP0C1_IS) | (4 << CP0C1_IL) | (3 << CP0C1_IA) |
(2 << CP0C1_DS) | (4 << CP0C1_DL) | (3 << CP0C1_DA) |
(1 << CP0C1_PC) | (1 << CP0C1_FP),
MIPS_CONFIG2,
MIPS_CONFIG3 | (1U << CP0C3_M) | (1 << CP0C3_MSAP) |
(1 << CP0C3_BP) | (1 << CP0C3_BI) | (1 << CP0C3_ULRI) |
(1 << CP0C3_RXI) | (1 << CP0C3_LPA) | (1 << CP0C3_VInt),
MIPS_CONFIG4 | (1U << CP0C4_M) | (2 << CP0C4_IE) |
(0x1c << CP0C4_KScrExist),
0,
MIPS_CONFIG5 | (1 << CP0C5_MVH) | (1 << CP0C5_LLB) | (1 << CP0C5_MRP),
(1 << CP0C5_K) | (1 << CP0C5_CV) |
(1 << CP0C5_MSAEn) | (1 << CP0C5_UFE) |
(1 << CP0C5_FRE) | (1 << CP0C5_UFR),
0,
0,
0,
0,
32,
2,
0x3C68FF1F,
0,
0,
(1 << FCR0_FREP) | (1 << FCR0_UFRP) | (1 << FCR0_HAS2008) |
(1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
(1 << FCR0_D) | (1 << FCR0_S) | (0x03 << FCR0_PRID),
0xFF83FFFF,
(1 << FCR31_ABS2008) | (1 << FCR31_NAN2008),
0,
32,
40,
0,0, 0,0, 0,0, 0,0, 0,0,
(1U << CP0PG_RIE) | (1 << CP0PG_XIE) | (1 << CP0PG_ELPA) | (1 << CP0PG_IEC),
0,
CPU_MIPS32R5 | ASE_MSA,
MMU_TYPE_R4000,
},
{
/* A generic CPU supporting MIPS32 Release 6 ISA.
FIXME: Support IEEE 754-2008 FP.
Eventually this should be replaced by a real CPU model. */
"mips32r6-generic",
0x00010000,
MIPS_CONFIG0 | (0x2 << CP0C0_AR) | (MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (1 << CP0C1_FP) | (31 << 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),
MIPS_CONFIG2,
MIPS_CONFIG3 | (1 << CP0C3_BP) | (1 << CP0C3_BI) |
(2 << CP0C3_ISA) | (1 << CP0C3_ULRI) |
(1 << CP0C3_RXI) | (1U << CP0C3_M),
MIPS_CONFIG4 | (0xfc << CP0C4_KScrExist) |
(3 << CP0C4_IE) | (1U << CP0C4_M),
0,
MIPS_CONFIG5 | (1 << CP0C5_XNP) | (1 << CP0C5_LLB),
(1 << CP0C5_SBRI) | (1 << CP0C5_FRE) | (1 << CP0C5_UFE),
0,
0,
0,
0,
32,
2,
0x3058FF1F,
0,
0,
(1 << FCR0_FREP) | (1 << FCR0_F64) | (1 << FCR0_HAS2008) | (1 << FCR0_L) |
(1 << FCR0_W) | (1 << FCR0_D) | (1 << FCR0_S) |
(0x00 << FCR0_PRID) | (0x0 << FCR0_REV),
0x0103FFFF,
(1 << FCR31_ABS2008) | (1 << FCR31_NAN2008),
0,
32,
32,
0,0,
0,0,
0,0,
0,0,
0,0,
0,
(1 << CP0PG_IEC) | (1 << CP0PG_XIE) | (1U << CP0PG_RIE),
CPU_MIPS32R6 | ASE_MICROMIPS,
MMU_TYPE_R4000,
},
#if defined(TARGET_MIPS64)
{
"R4000",
0x00000400,
/* No L2 cache, icache size 8k, dcache size 8k, uncached coherency. */
(1 << 17) | (0x1 << 9) | (0x1 << 6) | (0x2 << CP0C0_K0),
/* Note: Config1 is only used internally, the R4000 has only Config0. */
(1 << CP0C1_FP) | (47 << CP0C1_MMU),
0,
0,
0,0,
0,0,
0,
0,
0xFFFFFFFF,
4,
16,
2,
0x3678FFFF,
0,
0,
/* The R4000 has a full 64bit FPU but doesn't use the fcr0 bits. */
(0x5 << FCR0_PRID) | (0x0 << FCR0_REV),
0x0183FFFF,
0,
0,
40,
36,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS3,
MMU_TYPE_R4000,
},
{
"VR5432",
0x00005400,
/* No L2 cache, icache size 8k, dcache size 8k, uncached coherency. */
(1 << 17) | (0x1 << 9) | (0x1 << 6) | (0x2 << CP0C0_K0),
(1 << CP0C1_FP) | (47 << CP0C1_MMU),
0,
0,
0,0,
0,0,
0,
0,
0xFFFFFFFFL,
4,
16,
2,
0x3678FFFF,
0,
0,
/* The VR5432 has a full 64bit FPU but doesn't use the fcr0 bits. */
(0x54 << FCR0_PRID) | (0x0 << FCR0_REV),
0xFF83FFFF,
0,
0,
40,
32,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_VR54XX,
MMU_TYPE_R4000,
},
{
"5Kc",
0x00018100,
MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
(MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (31 << 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),
MIPS_CONFIG2,
MIPS_CONFIG3,
0,0,
0,0,
0,
0,
0,
4,
32,
2,
0x12F8FFFF,
0,
0,
0, // CP1_fcr0
0,
0, // CP1_fcr31
0,
42,
36,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS64,
MMU_TYPE_R4000,
},
{
"5Kf",
0x00018100,
MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
(MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (1 << CP0C1_FP) | (31 << 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),
MIPS_CONFIG2,
MIPS_CONFIG3,
0,0,
0,0,
0,
0,
0,
4,
32,
2,
0x36F8FFFF,
0,
0,
/* The 5Kf has F64 / L / W but doesn't use the fcr0 bits. */
(1 << FCR0_D) | (1 << FCR0_S) |
(0x81 << FCR0_PRID) | (0x0 << FCR0_REV),
0xFF83FFFF,
0,
0,
42,
36,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS64,
MMU_TYPE_R4000,
},
{
"20Kc",
/* We emulate a later version of the 20Kc, earlier ones had a broken
WAIT instruction. */
0x000182a0,
MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
(MMU_TYPE_R4000 << CP0C0_MT) | (1 << CP0C0_VI),
MIPS_CONFIG1 | (1 << CP0C1_FP) | (47 << CP0C1_MMU) |
(2 << CP0C1_IS) | (4 << CP0C1_IL) | (3 << CP0C1_IA) |
(2 << CP0C1_DS) | (4 << CP0C1_DL) | (3 << CP0C1_DA) |
(1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
MIPS_CONFIG2,
MIPS_CONFIG3,
0,.0,
0,0,
0,
0,
0,
0,
32,
1,
0x36FBFFFF,
0,
0,
/* The 20Kc has F64 / L / W but doesn't use the fcr0 bits. */
(1 << FCR0_3D) | (1 << FCR0_PS) |
(1 << FCR0_D) | (1 << FCR0_S) |
(0x82 << FCR0_PRID) | (0x0 << FCR0_REV),
0xFF83FFFF,
0,
0,
40,
36,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS64 | ASE_MIPS3D,
MMU_TYPE_R4000,
},
{
/* A generic CPU providing MIPS64 Release 2 features.
FIXME: Eventually this should be replaced by a real CPU model. */
"MIPS64R2-generic",
0x00010000,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) | (0x2 << CP0C0_AT) |
(MMU_TYPE_R4000 << CP0C0_MT),
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) |
(1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
MIPS_CONFIG2,
MIPS_CONFIG3 | (1 << CP0C3_LPA),
0,0,
0,0,
0,
0,
0,
0,
32,
2,
0x36FBFFFF,
0,
0,
(1 << FCR0_F64) | (1 << FCR0_3D) | (1 << FCR0_PS) |
(1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) |
(1 << FCR0_S) | (0x00 << FCR0_PRID) | (0x0 << FCR0_REV),
0xFF83FFFF,
0,
0,
42,
36,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS64R2 | ASE_MIPS3D,
MMU_TYPE_R4000,
},
{
"I6400",
0x1A900,
MIPS_CONFIG0 | (0x2 << CP0C0_AR) | (0x2 << CP0C0_AT) |
(MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (1 << CP0C1_FP) | (15 << CP0C1_MMU) |
(2 << CP0C1_IS) | (5 << CP0C1_IL) | (3 << CP0C1_IA) |
(2 << CP0C1_DS) | (5 << CP0C1_DL) | (3 << CP0C1_DA) |
(0 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
MIPS_CONFIG2,
MIPS_CONFIG3 | (1U << CP0C3_M) | (1 << CP0C3_CMGCR) | (1 << CP0C3_MSAP) |
(1 << CP0C3_BP) | (1 << CP0C3_BI) | (1 << CP0C3_ULRI) |
(1 << CP0C3_RXI) | (1 << CP0C3_LPA) | (1 << CP0C3_VInt),
MIPS_CONFIG4 | (1U << CP0C4_M) | (3 << CP0C4_IE) |
(1 << CP0C4_AE) | (0xfc << CP0C4_KScrExist),
MIPS_CONFIG5 | (1 << CP0C5_XNP) | (1 << CP0C5_VP) |
(1 << CP0C5_LLB) | (1 << CP0C5_MRP),
(1 << CP0C5_MSAEn) | (1 << CP0C5_SBRI) |
(1 << CP0C5_FRE) | (1 << CP0C5_UFE),
0,
0,
0,
0,
0,
32,
2,
0x30D8FFFF,
0,
0,
(1 << FCR0_FREP) | (1 << FCR0_HAS2008) | (1 << FCR0_F64) |
(1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) |
(1 << FCR0_S) | (0x03 << FCR0_PRID) | (0x0 << FCR0_REV),
0x0103FFFF,
(1 << FCR31_ABS2008) | (1 << FCR31_NAN2008),
0x03 << MSAIR_ProcID,
48,
48,
0,0, 0,0, 0,0, 0,0, 0,0,
(1 << CP0PG_ELPA),
(1 << CP0PG_IEC) | (1 << CP0PG_XIE) |
(1U << CP0PG_RIE),
CPU_MIPS64R6 | ASE_MSA,
MMU_TYPE_R4000,
},
{
"5KEc",
0x00018900,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) | (0x2 << CP0C0_AT) |
(MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (31 << 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),
MIPS_CONFIG2,
MIPS_CONFIG3,
0,
0,
0,
0,
0,
0,
0,
4,
32,
2,
0x12F8FFFF,
0,
0,
0, // CP1_fcr0
0,
0, // CP1_fcr31
0,
42,
36,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS64R2,
MMU_TYPE_R4000,
},
{
"5KEf",
0x00018900,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) | (0x2 << CP0C0_AT) |
(MMU_TYPE_R4000 << CP0C0_MT),
MIPS_CONFIG1 | (1 << CP0C1_FP) | (31 << 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),
MIPS_CONFIG2,
MIPS_CONFIG3,
0,
0,
0,
0,
0,
0,
0,
4,
32,
2,
0x36F8FFFF,
0,
0,
(1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
(1 << FCR0_D) | (1 << FCR0_S) |
(0x89 << FCR0_PRID) | (0x0 << FCR0_REV),
0,
0,
0,
42,
36,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS64R2,
MMU_TYPE_R4000,
},
{
"Loongson-2E",
0x6302,
/*64KB I-cache and d-cache. 4 way with 32 bit cache line size*/
(0x1<<17) | (0x1<<16) | (0x1<<11) | (0x1<<8) | (0x1<<5) |
(0x1<<4) | (0x1<<1),
/* Note: Config1 is only used internally, Loongson-2E has only Config0. */
(1 << CP0C1_FP) | (47 << CP0C1_MMU),
0,
0,
0,0,
0,0,
0,
0,
0,
0,
16,
2,
0x35D0FFFF,
0,
0,
(0x5 << FCR0_PRID) | (0x1 << FCR0_REV),
0xFF83FFFF,
0,
0,
40,
40,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_LOONGSON2E,
MMU_TYPE_R4000,
},
{
"Loongson-2F",
0x6303,
/*64KB I-cache and d-cache. 4 way with 32 bit cache line size*/
(0x1<<17) | (0x1<<16) | (0x1<<11) | (0x1<<8) | (0x1<<5) |
(0x1<<4) | (0x1<<1),
/* Note: Config1 is only used internally, Loongson-2F has only Config0. */
(1 << CP0C1_FP) | (47 << CP0C1_MMU),
0,
0,
0,0,
0,0,
0,
0,
0,
0,
16,
2,
0xF5D0FF1F, /*bit5:7 not writable*/
0,
0,
(0x5 << FCR0_PRID) | (0x1 << FCR0_REV),
0xFF83FFFF,
0,
0,
40,
40,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_LOONGSON2F,
MMU_TYPE_R4000,
},
{
/* A generic CPU providing MIPS64 ASE DSP 2 features.
FIXME: Eventually this should be replaced by a real CPU model. */
"mips64dspr2",
0x00010000,
MIPS_CONFIG0 | (0x1 << CP0C0_AR) | (0x2 << CP0C0_AT) |
(MMU_TYPE_R4000 << CP0C0_MT),
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) |
(1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
MIPS_CONFIG2,
MIPS_CONFIG3 | (1U << CP0C3_M) | (1 << CP0C3_DSP2P) |
(1 << CP0C3_DSPP) | (1 << CP0C3_LPA),
0,0,
0,0,
0,
0,
0,
0,
32,
2,
0x37FBFFFF,
0,
0,
(1 << FCR0_F64) | (1 << FCR0_3D) | (1 << FCR0_PS) |
(1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) |
(1 << FCR0_S) | (0x00 << FCR0_PRID) | (0x0 << FCR0_REV),
0xFF83FFFF,
0,
0,
42,
/* The architectural limit is 59, but we have hardcoded 36 bit
in some places...
59, */ /* the architectural limit */
36,
0,0, 0,0, 0,0, 0,0, 0,0, 0,0,
CPU_MIPS64R2 | ASE_DSP | ASE_DSPR2,
MMU_TYPE_R4000,
},
#endif
};
static const mips_def_t *cpu_mips_find_by_name (const char *name)
{
int i;
for (i = 0; i < ARRAY_SIZE(mips_defs); i++) {
if (strcasecmp(name, mips_defs[i].name) == 0) {
return &mips_defs[i];
}
}
return NULL;
}
void mips_cpu_list (FILE *f, fprintf_function cpu_fprintf)
{
int i;
for (i = 0; i < ARRAY_SIZE(mips_defs); i++) {
(*cpu_fprintf)(f, "MIPS '%s'\n",
mips_defs[i].name);
}
}
#ifndef CONFIG_USER_ONLY
static void no_mmu_init (CPUMIPSState *env, const mips_def_t *def)
{
env->tlb->nb_tlb = 1;
env->tlb->map_address = &no_mmu_map_address;
}
static void fixed_mmu_init (CPUMIPSState *env, const mips_def_t *def)
{
env->tlb->nb_tlb = 1;
env->tlb->map_address = &fixed_mmu_map_address;
}
static void r4k_mmu_init (CPUMIPSState *env, const mips_def_t *def)
{
env->tlb->nb_tlb = 1 + ((def->CP0_Config1 >> CP0C1_MMU) & 63);
env->tlb->map_address = &r4k_map_address;
env->tlb->helper_tlbwi = r4k_helper_tlbwi;
env->tlb->helper_tlbwr = r4k_helper_tlbwr;
env->tlb->helper_tlbp = r4k_helper_tlbp;
env->tlb->helper_tlbr = r4k_helper_tlbr;
env->tlb->helper_tlbinv = r4k_helper_tlbinv;
env->tlb->helper_tlbinvf = r4k_helper_tlbinvf;
}
static void mmu_init (CPUMIPSState *env, const mips_def_t *def)
{
MIPSCPU *cpu = mips_env_get_cpu(env);
env->tlb = g_malloc0(sizeof(CPUMIPSTLBContext));
switch (def->mmu_type) {
case MMU_TYPE_NONE:
no_mmu_init(env, def);
break;
case MMU_TYPE_R4000:
r4k_mmu_init(env, def);
break;
case MMU_TYPE_FMT:
fixed_mmu_init(env, def);
break;
case MMU_TYPE_R3000:
case MMU_TYPE_R6000:
case MMU_TYPE_R8000:
default:
cpu_abort(CPU(cpu), "MMU type not supported\n");
}
}
#endif /* CONFIG_USER_ONLY */
static void fpu_init (CPUMIPSState *env, const mips_def_t *def)
{
int i;
for (i = 0; i < MIPS_FPU_MAX; i++)
env->fpus[i].fcr0 = def->CP1_fcr0;
memcpy(&env->active_fpu, &env->fpus[0], sizeof(env->active_fpu));
}
static void mvp_init (CPUMIPSState *env, const mips_def_t *def)
{
env->mvp = g_malloc0(sizeof(CPUMIPSMVPContext));
/* MVPConf1 implemented, TLB sharable, no gating storage support,
programmable cache partitioning implemented, number of allocatable
and sharable TLB entries, MVP has allocatable TCs, 2 VPEs
implemented, 5 TCs implemented. */
env->mvp->CP0_MVPConf0 = (1U << CP0MVPC0_M) | (1 << CP0MVPC0_TLBS) |
(0 << CP0MVPC0_GS) | (1 << CP0MVPC0_PCP) |
// TODO: actually do 2 VPEs.
// (1 << CP0MVPC0_TCA) | (0x1 << CP0MVPC0_PVPE) |
// (0x04 << CP0MVPC0_PTC);
(1 << CP0MVPC0_TCA) | (0x0 << CP0MVPC0_PVPE) |
(0x00 << CP0MVPC0_PTC);
#if !defined(CONFIG_USER_ONLY)
/* Usermode has no TLB support */
env->mvp->CP0_MVPConf0 |= (env->tlb->nb_tlb << CP0MVPC0_PTLBE);
#endif
/* Allocatable CP1 have media extensions, allocatable CP1 have FP support,
no UDI implemented, no CP2 implemented, 1 CP1 implemented. */
env->mvp->CP0_MVPConf1 = (1U << CP0MVPC1_CIM) | (1 << CP0MVPC1_CIF) |
(0x0 << CP0MVPC1_PCX) | (0x0 << CP0MVPC1_PCP2) |
(0x1 << CP0MVPC1_PCP1);
}
static void msa_reset(CPUMIPSState *env)
{
#ifdef CONFIG_USER_ONLY
/* MSA access enabled */
env->CP0_Config5 |= 1 << CP0C5_MSAEn;
env->CP0_Status |= (1 << CP0St_CU1) | (1 << CP0St_FR);
#endif
/* MSA CSR:
- non-signaling floating point exception mode off (NX bit is 0)
- Cause, Enables, and Flags are all 0
- round to nearest / ties to even (RM bits are 0) */
env->active_tc.msacsr = 0;
restore_msa_fp_status(env);
/* tininess detected after rounding.*/
set_float_detect_tininess(float_tininess_after_rounding,
&env->active_tc.msa_fp_status);
/* clear float_status exception flags */
set_float_exception_flags(0, &env->active_tc.msa_fp_status);
/* clear float_status nan mode */
set_default_nan_mode(0, &env->active_tc.msa_fp_status);
/* set proper signanling bit meaning ("1" means "quiet") */
set_snan_bit_is_one(0, &env->active_tc.msa_fp_status);
}
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