*
* 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, no coprocessor2 attached, no MDMX support attached,
no performance counters, watch registers present,
#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 SmartMIPS ASE, no trace logic */
#define MIPS_CONFIG3 \
Define a major version 1, minor version 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_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_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[] =
{
{
.name = "4Kc",
.CP0_PRid = 0x00018000,
- .CP0_Config0 = MIPS_CONFIG0,
+ .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),
+ (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,
+ .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_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),
+ (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 = "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_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),
+ (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,
- /* Config1 implemented, MIPS32R2, fixed mapping MMU,
- no virtual icache, uncached coherency. */
- .CP0_Config0 = (1 << CP0C0_M) | (0x1 << CP0C0_AR) |
- (0x3 << CP0C0_MT) | (0x2 << CP0C0_K0),
+ .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),
+ (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_MIPS32R2 | ASE_MIPS16,
+ .mmu_type = MMU_TYPE_FMT,
},
{
.name = "24Kc",
.CP0_PRid = 0x00019300,
- .CP0_Config0 = MIPS_CONFIG0 | (0x1 << CP0C0_AR),
+ .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),
+ (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,
/* 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_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),
+ (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,
.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),
+ .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),
+ (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,
.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,
},
#if defined(TARGET_MIPS64)
{
.name = "R4000",
.CP0_PRid = 0x00000400,
- .CP0_Config0 = MIPS_CONFIG0 | (0x2 << CP0C0_AT),
- .CP0_Config1 = MIPS_CONFIG1 | (1 << CP0C1_FP) | (47 << 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,
+ /* 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 doesn't use the fcr0 bits. */
+ /* 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),
+ .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),
+ (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 = 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),
+ .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),
+ (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. */
+ /* 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
+ /* 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) | (1 << CP0C0_VI),
+ .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),
+ (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 = 2,
+ .CCRes = 1,
.CP0_Status_rw_bitmask = 0x36FBFFFF,
- /* The 20Kc has F64 / L / W but doesn't use the fcr0 bits. */
+ /* 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.
+ /* 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 | (0x2 << CP0C0_AT) | (0x1 << CP0C0_AR),
+ .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),
+ (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,
+ .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_LPA),
.SYNCI_Step = 32,
.CCRes = 2,
.CP0_Status_rw_bitmask = 0x36FBFFFF,
- .CP1_fcr0 = (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 = 40,
+ .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
};
-static const mips_def_t *cpu_mips_find_by_name (const unsigned char *name)
+static const mips_def_t *cpu_mips_find_by_name (const char *name)
{
int i;
- 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) {
return &mips_defs[i];
}
{
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);
}
{
env->tlb->nb_tlb = 1 + ((def->CP0_Config1 >> CP0C1_MMU) & 63);
env->tlb->map_address = &r4k_map_address;
- env->tlb->do_tlbwi = r4k_do_tlbwi;
- env->tlb->do_tlbwr = r4k_do_tlbwr;
- env->tlb->do_tlbp = r4k_do_tlbp;
- env->tlb->do_tlbr = r4k_do_tlbr;
+ 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));
- /* There are more full-featured MMU variants in older MIPS CPUs,
- R3000, R6000 and R8000 come to mind. If we ever support them,
- this check will need to look up a different place than those
- newfangled config registers. */
- switch ((env->CP0_Config0 >> CP0C0_MT) & 3) {
- case 0:
+ switch (def->mmu_type) {
+ case MMU_TYPE_NONE:
no_mmu_init(env, def);
break;
- case 1:
+ case MMU_TYPE_R4000:
r4k_mmu_init(env, def);
break;
- case 3:
+ 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");
}
static void fpu_init (CPUMIPSState *env, const mips_def_t *def)
{
- env->fpu = qemu_mallocz(sizeof(CPUMIPSFPUContext));
+ int i;
- env->fpu->fcr0 = def->CP1_fcr0;
-#ifdef CONFIG_USER_ONLY
+ 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;
- if (env->fpu->fcr0 & (1 << FCR0_F64))
+#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)
implemented, 5 TCs implemented. */
env->mvp->CP0_MVPConf0 = (1 << CP0MVPC0_M) | (1 << CP0MVPC0_TLBS) |
(0 << CP0MVPC0_GS) | (1 << CP0MVPC0_PCP) |
-#ifndef CONFIG_USER_ONLY
- /* Usermode has no TLB support */
- (env->tlb->nb_tlb << CP0MVPC0_PTLBE) |
-#endif
// 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) |
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)
- {
+ if (def->insn_flags & ISA_MIPS3) {
env->hflags |= MIPS_HFLAG_64;
- env->SEGBITS = def->SEGBITS;
- env->SEGMask = (3ULL << 62) | ((1ULL << def->SEGBITS) - 1);
- } else {
- env->SEGBITS = 32;
- env->SEGMask = 0xFFFFFFFF;
+ 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;
projects / qemu / blobdiff