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unicorn/qemu/target/mips/translate_init.c
Aleksandar Markovic d1f2d2c57b
target/mips: Disable R5900 support 
Disable R5900 support. There are some outstanding issues related
to ABI support and emulation accuracy, that were not understood
well during review process. Disable to avoid backward compatibility
issues.

Reverts commit ed4f49ba9bb56ebca6987b1083255daf6c89b5de.

Backports commit 823f2897bdd78185f3ba33292a25105ba8bad1b5 from qemu
2018-11-23 18:55:12 -05:00

1225 lines
35 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))
/*****************************************************************************/
/* MIPS CPU definitions */
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,
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,
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,
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,
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,
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,
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,
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,
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,
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,
0,
.insn_flags = 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,
0,
CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP | ASE_DSP_R2,
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,
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,
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_CMGCR) | (1 << CP0C3_MSAP) |
(1 << CP0C3_BP) | (1 << CP0C3_BI) | (1 << CP0C3_SC) |
(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_EVA) | (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,
(1 << CP0EBase_WG),
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),
0,
CPU_MIPS32R6 | ASE_MICROMIPS,
MMU_TYPE_R4000,
},
{
"I7200",
0x00010000,
MIPS_CONFIG0 | (1 << CP0C0_MM) | (0x2 << CP0C0_AR) |
(MMU_TYPE_R4000 << CP0C0_MT),
(1U << CP0C1_M) | (15 << 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_EP),
MIPS_CONFIG2,
MIPS_CONFIG3 | (1U << CP0C3_M) | (1 << CP0C3_CMGCR) |
(1 << CP0C3_BI) | (1 << CP0C3_SC) | (3 << CP0C3_MMAR) |
(1 << CP0C3_ISA_ON_EXC) | (1 << CP0C3_ISA) |
(1 << CP0C3_ULRI) | (1 << CP0C3_RXI) |
(1 << CP0C3_DSP2P) | (1 << CP0C3_DSPP) |
(1 << CP0C3_CTXTC) | (1 << CP0C3_VInt) |
(1 << CP0C3_CDMM) | (1 << CP0C3_MT) | (1 << CP0C3_TL),
MIPS_CONFIG4 | (0xfc << CP0C4_KScrExist) |
(2 << CP0C4_IE) | (1U << CP0C4_M),
0,
MIPS_CONFIG5 | (1 << CP0C5_MVH) | (1 << CP0C5_LLB),
(1 << CP0C5_SBRI) | (1 << CP0C5_FRE) |
(1 << CP0C5_UFE),
0,0,
0,
0,
32,
2,
0x3158FF1F,
0,
0,
(1 << FCR0_FREP) | (1 << FCR0_HAS2008) | (1 << FCR0_F64) |
(1 << FCR0_L) | (1 << FCR0_W) | (1 << FCR0_D) |
(1 << FCR0_S) | (0x02 << FCR0_PRID) | (0x0 << FCR0_REV),
0,
(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),
0,
CPU_NANOMIPS32 | ASE_DSP | ASE_DSP_R2 | ASE_DSP_R3 | ASE_MT,
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,
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,
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,
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,
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,
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,
(1 << CP0EBase_WG),
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),
(1 << CP0EBase_WG),
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,
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,
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,
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,
0,
CPU_LOONGSON2F,
MMU_TYPE_R4000,
},
{
/* A generic CPU providing MIPS64 DSP R2 ASE 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,
0,
CPU_MIPS64R2 | ASE_DSP | ASE_DSP_R2,
MMU_TYPE_R4000,
},
#endif
};
const int mips_defs_number = ARRAY_SIZE(mips_defs);
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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