*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
*/
/* CPU / CPU family specific config register values. */
-/* Have config1, is MIPS32R1, uses TLB, no virtual icache,
- uncached coherency */
+/* Have config1, uncached coherency */
#define MIPS_CONFIG0 \
- ((1 << CP0C0_M) | (0x0 << CP0C0_K23) | (0x0 << CP0C0_KU) | \
- (0x0 << CP0C0_AT) | (0x0 << CP0C0_AR) | (0x1 << CP0C0_MT) | \
- (0x2 << CP0C0_K0))
+ ((1 << CP0C0_M) | (0x2 << CP0C0_K0))
-/* Have config2, 16 TLB entries, 64 sets Icache, 16 bytes Icache line,
- 2-way Icache, 64 sets Dcache, 16 bytes Dcache line, 2-way Dcache,
- no coprocessor2 attached, no MDMX support attached,
+/* 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 \
-((1 << CP0C1_M) | ((MIPS_TLB_NB - 1) << CP0C1_MMU) | \
- (0x0 << CP0C1_IS) | (0x3 << CP0C1_IL) | (0x1 << CP0C1_IA) | \
- (0x0 << CP0C1_DS) | (0x3 << CP0C1_DL) | (0x1 << CP0C1_DA) | \
+((1 << CP0C1_M) | \
(0 << CP0C1_C2) | (0 << CP0C1_MD) | (0 << CP0C1_PC) | \
(1 << CP0C1_WR) | (0 << CP0C1_CA) | (1 << CP0C1_EP) | \
(0 << CP0C1_FP))
#define MIPS_CONFIG2 \
((1 << CP0C2_M))
-/* No config4, no DSP ASE, no large physaddr,
+/* No config4, no DSP ASE, no large physaddr (PABITS),
no external interrupt controller, no vectored interupts,
- no 1kb pages, no MT ASE, no SmartMIPS ASE, no trace logic */
+ 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_MT) | (0 << CP0C3_SM) | (0 << CP0C3_TL))
+ (0 << CP0C3_SM) | (0 << CP0C3_TL))
/* Define a implementation number of 1.
Define a major version 1, minor version 0. */
-#define MIPS_FCR0 ((0 << 16) | (1 << 8) | (1 << 4) | 0)
+#define MIPS_FCR0 ((0 << FCR0_S) | (0x1 << FCR0_PRID) | (0x10 << FCR0_REV))
+/* 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 unsigned char *name;
+ const char *name;
int32_t CP0_PRid;
int32_t CP0_Config0;
int32_t CP0_Config1;
int32_t CP0_Config7;
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 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;
+ int insn_flags;
+ enum mips_mmu_types mmu_type;
};
/*****************************************************************************/
/* MIPS CPU definitions */
-static mips_def_t mips_defs[] =
+static const mips_def_t mips_defs[] =
{
-#ifndef TARGET_MIPS64
{
.name = "4Kc",
.CP0_PRid = 0x00018000,
- .CP0_Config0 = MIPS_CONFIG0,
- .CP0_Config1 = MIPS_CONFIG1,
+ .CP0_Config0 = MIPS_CONFIG0 | (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,
+ .SYNCI_Step = 32,
+ .CCRes = 2,
+ .CP0_Status_rw_bitmask = 0x1278FF17,
+ .SEGBITS = 32,
+ .PABITS = 32,
+ .insn_flags = CPU_MIPS32 | ASE_MIPS16,
+ .mmu_type = MMU_TYPE_R4000,
+ },
+ {
+ .name = "4Km",
+ .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,
- .CP1_fcr0 = MIPS_FCR0,
+ .CP0_Status_rw_bitmask = 0x1258FF17,
+ .SEGBITS = 32,
+ .PABITS = 32,
+ .insn_flags = CPU_MIPS32 | ASE_MIPS16,
+ .mmu_type = MMU_TYPE_FMT,
},
{
.name = "4KEcR1",
.CP0_PRid = 0x00018400,
- .CP0_Config0 = MIPS_CONFIG0,
- .CP0_Config1 = MIPS_CONFIG1,
+ .CP0_Config0 = MIPS_CONFIG0 | (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,
.SYNCI_Step = 32,
.CCRes = 2,
- .CP1_fcr0 = MIPS_FCR0,
+ .CP0_Status_rw_bitmask = 0x1278FF17,
+ .SEGBITS = 32,
+ .PABITS = 32,
+ .insn_flags = CPU_MIPS32 | ASE_MIPS16,
+ .mmu_type = MMU_TYPE_R4000,
+ },
+ {
+ .name = "4KEmR1",
+ .CP0_PRid = 0x00018500,
+ .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_MIPS32 | ASE_MIPS16,
+ .mmu_type = MMU_TYPE_FMT,
},
{
.name = "4KEc",
.CP0_PRid = 0x00019000,
- .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR),
- .CP0_Config1 = MIPS_CONFIG1,
+ .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,
+ .CP0_Status_rw_bitmask = 0x1278FF17,
+ .SEGBITS = 32,
+ .PABITS = 32,
+ .insn_flags = CPU_MIPS32R2 | ASE_MIPS16,
+ .mmu_type = MMU_TYPE_R4000,
+ },
+ {
+ .name = "4KEm",
+ .CP0_PRid = 0x00019100,
+ .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) |
+ (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,
- .CP1_fcr0 = MIPS_FCR0,
+ .CP0_Status_rw_bitmask = 0x1258FF17,
+ .SEGBITS = 32,
+ .PABITS = 32,
+ .insn_flags = CPU_MIPS32R2 | ASE_MIPS16,
+ .mmu_type = MMU_TYPE_FMT,
},
{
.name = "24Kc",
.CP0_PRid = 0x00019300,
- .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR),
- .CP0_Config1 = MIPS_CONFIG1,
+ .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,
+ .CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt),
.SYNCI_Step = 32,
.CCRes = 2,
- .CP1_fcr0 = MIPS_FCR0,
+ /* No DSP implemented. */
+ .CP0_Status_rw_bitmask = 0x1278FF1F,
+ .SEGBITS = 32,
+ .PABITS = 32,
+ .insn_flags = CPU_MIPS32R2 | ASE_MIPS16,
+ .mmu_type = MMU_TYPE_R4000,
},
{
.name = "24Kf",
.CP0_PRid = 0x00019300,
- .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR),
- .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP),
+ .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,
+ .CP0_Config3 = MIPS_CONFIG3 | (0 << CP0C3_VInt),
+ .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_MIPS16,
+ .mmu_type = MMU_TYPE_R4000,
+ },
+ {
+ .name = "34Kf",
+ .CP0_PRid = 0x00019500,
+ .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) | (1 << CP0C3_MT),
.SYNCI_Step = 32,
.CCRes = 2,
- .CP1_fcr0 = MIPS_FCR0,
+ /* No DSP implemented. */
+ .CP0_Status_rw_bitmask = 0x3678FF1F,
+ /* No DSP implemented. */
+ .CP0_TCStatus_rw_bitmask = (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),
+ .CP1_fcr0 = (1 << FCR0_F64) | (1 << FCR0_L) | (1 << FCR0_W) |
+ (1 << FCR0_D) | (1 << FCR0_S) | (0x95 << FCR0_PRID),
+ .CP0_SRSCtl = (0xf << CP0SRSCtl_HSS),
+ .CP0_SRSConf0_rw_bitmask = 0x3fffffff,
+ .CP0_SRSConf0 = (1 << CP0SRSC0_M) | (0x3fe << CP0SRSC0_SRS3) |
+ (0x3fe << CP0SRSC0_SRS2) | (0x3fe << CP0SRSC0_SRS1),
+ .CP0_SRSConf1_rw_bitmask = 0x3fffffff,
+ .CP0_SRSConf1 = (1 << CP0SRSC1_M) | (0x3fe << CP0SRSC1_SRS6) |
+ (0x3fe << CP0SRSC1_SRS5) | (0x3fe << CP0SRSC1_SRS4),
+ .CP0_SRSConf2_rw_bitmask = 0x3fffffff,
+ .CP0_SRSConf2 = (1 << CP0SRSC2_M) | (0x3fe << CP0SRSC2_SRS9) |
+ (0x3fe << CP0SRSC2_SRS8) | (0x3fe << CP0SRSC2_SRS7),
+ .CP0_SRSConf3_rw_bitmask = 0x3fffffff,
+ .CP0_SRSConf3 = (1 << CP0SRSC3_M) | (0x3fe << CP0SRSC3_SRS12) |
+ (0x3fe << CP0SRSC3_SRS11) | (0x3fe << CP0SRSC3_SRS10),
+ .CP0_SRSConf4_rw_bitmask = 0x3fffffff,
+ .CP0_SRSConf4 = (0x3fe << CP0SRSC4_SRS15) |
+ (0x3fe << CP0SRSC4_SRS14) | (0x3fe << CP0SRSC4_SRS13),
+ .SEGBITS = 32,
+ .PABITS = 32,
+ .insn_flags = CPU_MIPS32R2 | ASE_MIPS16 | ASE_DSP | ASE_MT,
+ .mmu_type = MMU_TYPE_R4000,
},
-#else
+#if defined(TARGET_MIPS64)
{
.name = "R4000",
.CP0_PRid = 0x00000400,
- .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT),
- .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP),
+ /* No L2 cache, icache size 8k, dcache size 8k, uncached coherency. */
+ .CP0_Config0 = (1 << 17) | (0x1 << 9) | (0x1 << 6) | (0x2 << CP0C0_K0),
+ /* Note: Config1 is only used internally, the R4000 has only Config0. */
+ .CP0_Config1 = (1 << CP0C1_FP) | (47 << CP0C1_MMU),
+ .SYNCI_Step = 16,
+ .CCRes = 2,
+ .CP0_Status_rw_bitmask = 0x3678FFFF,
+ /* The R4000 has a full 64bit FPU but doesn't use the fcr0 bits. */
+ .CP1_fcr0 = (0x5 << FCR0_PRID) | (0x0 << FCR0_REV),
+ .SEGBITS = 40,
+ .PABITS = 36,
+ .insn_flags = CPU_MIPS3,
+ .mmu_type = MMU_TYPE_R4000,
+ },
+ {
+ .name = "VR5432",
+ .CP0_PRid = 0x00005400,
+ /* No L2 cache, icache size 8k, dcache size 8k, uncached coherency. */
+ .CP0_Config0 = (1 << 17) | (0x1 << 9) | (0x1 << 6) | (0x2 << CP0C0_K0),
+ .CP0_Config1 = (1 << CP0C1_FP) | (47 << CP0C1_MMU),
+ .SYNCI_Step = 16,
+ .CCRes = 2,
+ .CP0_Status_rw_bitmask = 0x3678FFFF,
+ /* The VR5432 has a full 64bit FPU but doesn't use the fcr0 bits. */
+ .CP1_fcr0 = (0x54 << FCR0_PRID) | (0x0 << FCR0_REV),
+ .SEGBITS = 40,
+ .PABITS = 32,
+ .insn_flags = CPU_VR54XX,
+ .mmu_type = MMU_TYPE_R4000,
+ },
+ {
+ .name = "5Kc",
+ .CP0_PRid = 0x00018100,
+ .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
+ (MMU_TYPE_R4000 << CP0C0_MT),
+ .CP0_Config1 = 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),
.CP0_Config2 = MIPS_CONFIG2,
.CP0_Config3 = MIPS_CONFIG3,
- .SYNCI_Step = 16,
+ .SYNCI_Step = 32,
.CCRes = 2,
- .CP1_fcr0 = MIPS_FCR0,
+ .CP0_Status_rw_bitmask = 0x32F8FFFF,
+ .SEGBITS = 42,
+ .PABITS = 36,
+ .insn_flags = CPU_MIPS64,
+ .mmu_type = MMU_TYPE_R4000,
+ },
+ {
+ .name = "5Kf",
+ .CP0_PRid = 0x00018100,
+ .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
+ (MMU_TYPE_R4000 << CP0C0_MT),
+ .CP0_Config1 = 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),
+ .CP0_Config2 = MIPS_CONFIG2,
+ .CP0_Config3 = MIPS_CONFIG3,
+ .SYNCI_Step = 32,
+ .CCRes = 2,
+ .CP0_Status_rw_bitmask = 0x36F8FFFF,
+ /* The 5Kf has F64 / L / W but doesn't use the fcr0 bits. */
+ .CP1_fcr0 = (1 << FCR0_D) | (1 << FCR0_S) |
+ (0x81 << FCR0_PRID) | (0x0 << FCR0_REV),
+ .SEGBITS = 42,
+ .PABITS = 36,
+ .insn_flags = CPU_MIPS64,
+ .mmu_type = MMU_TYPE_R4000,
+ },
+ {
+ .name = "20Kc",
+ /* We emulate a later version of the 20Kc, earlier ones had a broken
+ WAIT instruction. */
+ .CP0_PRid = 0x000182a0,
+ .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT) |
+ (MMU_TYPE_R4000 << CP0C0_MT) | (1 << CP0C0_VI),
+ .CP0_Config1 = 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),
+ .CP0_Config2 = MIPS_CONFIG2,
+ .CP0_Config3 = MIPS_CONFIG3,
+ .SYNCI_Step = 32,
+ .CCRes = 1,
+ .CP0_Status_rw_bitmask = 0x36FBFFFF,
+ /* The 20Kc has F64 / L / W but doesn't use the fcr0 bits. */
+ .CP1_fcr0 = (1 << FCR0_3D) | (1 << FCR0_PS) |
+ (1 << FCR0_D) | (1 << FCR0_S) |
+ (0x82 << FCR0_PRID) | (0x0 << FCR0_REV),
+ .SEGBITS = 40,
+ .PABITS = 36,
+ .insn_flags = CPU_MIPS64 | ASE_MIPS3D,
+ .mmu_type = MMU_TYPE_R4000,
+ },
+ {
+ /* A generic CPU providing MIPS64 Release 2 features.
+ FIXME: Eventually this should be replaced by a real CPU model. */
+ .name = "MIPS64R2-generic",
+ .CP0_PRid = 0x00010000,
+ .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR) | (0x2 << CP0C0_AT) |
+ (MMU_TYPE_R4000 << CP0C0_MT),
+ .CP0_Config1 = 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),
+ .CP0_Config2 = MIPS_CONFIG2,
+ .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_LPA),
+ .SYNCI_Step = 32,
+ .CCRes = 2,
+ .CP0_Status_rw_bitmask = 0x36FBFFFF,
+ .CP1_fcr0 = (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),
+ .SEGBITS = 42,
+ /* The architectural limit is 59, but we have hardcoded 36 bit
+ in some places...
+ .PABITS = 59, */ /* the architectural limit */
+ .PABITS = 36,
+ .insn_flags = CPU_MIPS64R2 | ASE_MIPS3D,
+ .mmu_type = MMU_TYPE_R4000,
},
#endif
};
-int mips_find_by_name (const unsigned char *name, mips_def_t **def)
+static const mips_def_t *cpu_mips_find_by_name (const char *name)
{
- int i, ret;
+ int i;
- ret = -1;
- *def = NULL;
- for (i = 0; i < sizeof(mips_defs) / sizeof(mips_defs[0]); i++) {
+ for (i = 0; i < ARRAY_SIZE(mips_defs); i++) {
if (strcasecmp(name, mips_defs[i].name) == 0) {
- *def = &mips_defs[i];
- ret = 0;
- break;
+ return &mips_defs[i];
}
}
-
- return ret;
+ return NULL;
}
void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
{
int i;
- for (i = 0; i < sizeof(mips_defs) / sizeof(mips_defs[0]); i++) {
+ for (i = 0; i < ARRAY_SIZE(mips_defs); i++) {
(*cpu_fprintf)(f, "MIPS '%s'\n",
mips_defs[i].name);
}
}
-int cpu_mips_register (CPUMIPSState *env, mips_def_t *def)
+#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;
+}
+
+static void mmu_init (CPUMIPSState *env, const mips_def_t *def)
+{
+ env->tlb = qemu_mallocz(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(env, "MMU type not supported\n");
+ }
+ env->CP0_Random = env->tlb->nb_tlb - 1;
+ env->tlb->tlb_in_use = env->tlb->nb_tlb;
+}
+#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));
+#if defined(CONFIG_USER_ONLY)
+ if (env->CP0_Config1 & (1 << CP0C1_FP))
+ env->hflags |= MIPS_HFLAG_FPU;
+#ifdef TARGET_MIPS64
+ if (env->active_fpu.fcr0 & (1 << FCR0_F64))
+ env->hflags |= MIPS_HFLAG_F64;
+#endif
+#endif
+}
+
+static void mvp_init (CPUMIPSState *env, const mips_def_t *def)
+{
+ env->mvp = qemu_mallocz(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 = (1 << 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) |
+ (0x04 << 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 = (1 << CP0MVPC1_CIM) | (1 << CP0MVPC1_CIF) |
+ (0x0 << CP0MVPC1_PCX) | (0x0 << CP0MVPC1_PCP2) |
+ (0x1 << CP0MVPC1_PCP1);
+}
+
+static int cpu_mips_register (CPUMIPSState *env, const mips_def_t *def)
{
- if (!def)
- cpu_abort(env, "Unable to find MIPS CPU definition\n");
env->CP0_PRid = def->CP0_PRid;
-#ifdef TARGET_WORDS_BIGENDIAN
- env->CP0_Config0 = def->CP0_Config0 | (1 << CP0C0_BE);
-#else
env->CP0_Config0 = def->CP0_Config0;
+#ifdef TARGET_WORDS_BIGENDIAN
+ env->CP0_Config0 |= (1 << CP0C0_BE);
#endif
env->CP0_Config1 = def->CP0_Config1;
env->CP0_Config2 = def->CP0_Config2;
env->CP0_Config7 = def->CP0_Config7;
env->SYNCI_Step = def->SYNCI_Step;
env->CCRes = def->CCRes;
- env->fcr0 = def->CP1_fcr0;
+ env->CP0_Status_rw_bitmask = def->CP0_Status_rw_bitmask;
+ env->CP0_TCStatus_rw_bitmask = def->CP0_TCStatus_rw_bitmask;
+ env->CP0_SRSCtl = def->CP0_SRSCtl;
+ env->current_tc = 0;
+ env->SEGBITS = def->SEGBITS;
+ env->SEGMask = (target_ulong)((1ULL << def->SEGBITS) - 1);
+#if defined(TARGET_MIPS64)
+ if (def->insn_flags & ISA_MIPS3) {
+ env->hflags |= MIPS_HFLAG_64;
+ env->SEGMask |= 3ULL << 62;
+ }
+#endif
+ env->PABITS = def->PABITS;
+ env->PAMask = (target_ulong)((1ULL << def->PABITS) - 1);
+ env->CP0_SRSConf0_rw_bitmask = def->CP0_SRSConf0_rw_bitmask;
+ env->CP0_SRSConf0 = def->CP0_SRSConf0;
+ env->CP0_SRSConf1_rw_bitmask = def->CP0_SRSConf1_rw_bitmask;
+ env->CP0_SRSConf1 = def->CP0_SRSConf1;
+ env->CP0_SRSConf2_rw_bitmask = def->CP0_SRSConf2_rw_bitmask;
+ env->CP0_SRSConf2 = def->CP0_SRSConf2;
+ env->CP0_SRSConf3_rw_bitmask = def->CP0_SRSConf3_rw_bitmask;
+ env->CP0_SRSConf3 = def->CP0_SRSConf3;
+ env->CP0_SRSConf4_rw_bitmask = def->CP0_SRSConf4_rw_bitmask;
+ env->CP0_SRSConf4 = def->CP0_SRSConf4;
+ env->insn_flags = def->insn_flags;
+
+#ifndef CONFIG_USER_ONLY
+ mmu_init(env, def);
+#endif
+ fpu_init(env, def);
+ mvp_init(env, def);
return 0;
}
projects / qemu / blobdiff