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MIPS queue for January 17, 2019 - v2 

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Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-january-17-2019-v2' into staging

MIPS queue for January 17, 2019 - v2

# gpg: Signature made Fri 18 Jan 2019 15:55:35 GMT
# gpg:                using RSA key D4972A8967F75A65
# gpg: Good signature from "Aleksandar Markovic <amarkovic@wavecomp.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8526 FBF1 5DA3 811F 4A01  DD75 D497 2A89 67F7 5A65

* remotes/amarkovic/tags/mips-queue-january-17-2019-v2:
  target/mips: Introduce 32 R5900 multimedia registers
  target/mips: Rename 'rn' to 'register_name'
  target/mips: Add CP0 register MemoryMapID
  target/mips: Amend preprocessor constants for CP0 registers
  target/mips: Update ITU to handle bus errors
  target/mips: Update ITU to utilize SAARI and SAAR CP0 registers
  target/mips: Add field and R/W access to ITU control register ICR0
  target/mips: Provide R/W access to SAARI and SAAR CP0 registers
  target/mips: Add fields for SAARI and SAAR CP0 registers
  target/mips: Use preprocessor constants for 32 major CP0 registers
  target/mips: Add preprocessor constants for 32 major CP0 registers
  target/mips: Move comment containing summary of CP0 registers

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2019-01-21 17:53:28 +00:00
parent 5385a5988c a168a796e1
commit 166609e607
9 changed files with 1042 additions and 648 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
hw/mips/cps.c
View File

@ -69,6 +69,7 @@ static void mips_cps_realize(DeviceState *dev, Error **errp)
Error *err = NULL;
target_ulong gcr_base;
bool itu_present = false;
bool saar_present = false;
for (i = 0; i < s->num_vp; i++) {
cpu = MIPS_CPU(cpu_create(s->cpu_type));
@ -82,12 +83,14 @@ static void mips_cps_realize(DeviceState *dev, Error **errp)
itu_present = true;
/* Attach ITC Tag to the VP */
env->itc_tag = mips_itu_get_tag_region(&s->itu);
env->itu = &s->itu;
}
qemu_register_reset(main_cpu_reset, cpu);
}
cpu = MIPS_CPU(first_cpu);
env = &cpu->env;
saar_present = (bool)env->saarp;
/* Inter-Thread Communication Unit */
if (itu_present) {
@ -96,6 +99,11 @@ static void mips_cps_realize(DeviceState *dev, Error **errp)
object_property_set_int(OBJECT(&s->itu), 16, "num-fifo", &err);
object_property_set_int(OBJECT(&s->itu), 16, "num-semaphores", &err);
object_property_set_bool(OBJECT(&s->itu), saar_present, "saar-present",
&err);
if (saar_present) {
qdev_prop_set_ptr(DEVICE(&s->itu), "saar", (void *)&env->CP0_SAAR);
}
object_property_set_bool(OBJECT(&s->itu), true, "realized", &err);
if (err != NULL) {
error_propagate(errp, err);

73
hw/misc/mips_itu.c
View File

@ -55,9 +55,17 @@ typedef enum ITCView {
ITCVIEW_EF_SYNC = 2,
ITCVIEW_EF_TRY = 3,
ITCVIEW_PV_SYNC = 4,
ITCVIEW_PV_TRY = 5
ITCVIEW_PV_TRY = 5,
ITCVIEW_PV_ICR0 = 15,
} ITCView;
#define ITC_ICR0_CELL_NUM 16
#define ITC_ICR0_BLK_GRAIN 8
#define ITC_ICR0_BLK_GRAIN_MASK 0x7
#define ITC_ICR0_ERR_AXI 2
#define ITC_ICR0_ERR_PARITY 1
#define ITC_ICR0_ERR_EXEC 0
MemoryRegion *mips_itu_get_tag_region(MIPSITUState *itu)
{
return &itu->tag_io;
@ -76,7 +84,7 @@ static uint64_t itc_tag_read(void *opaque, hwaddr addr, unsigned size)
return tag->ITCAddressMap[index];
}
static void itc_reconfigure(MIPSITUState *tag)
void itc_reconfigure(MIPSITUState *tag)
{
uint64_t *am = &tag->ITCAddressMap[0];
MemoryRegion *mr = &tag->storage_io;
@ -84,6 +92,12 @@ static void itc_reconfigure(MIPSITUState *tag)
uint64_t size = (1 * KiB) + (am[1] & ITC_AM1_ADDR_MASK_MASK);
bool is_enabled = (am[0] & ITC_AM0_EN_MASK) != 0;
if (tag->saar_present) {
address = ((*(uint64_t *) tag->saar) & 0xFFFFFFFFE000ULL) << 4;
size = 1 << ((*(uint64_t *) tag->saar >> 1) & 0x1f);
is_enabled = *(uint64_t *) tag->saar & 1;
}
memory_region_transaction_begin();
if (!(size & (size - 1))) {
memory_region_set_size(mr, size);
@ -142,7 +156,12 @@ static inline ITCView get_itc_view(hwaddr addr)
static inline int get_cell_stride_shift(const MIPSITUState *s)
{
/* Minimum interval (for EntryGain = 0) is 128 B */
return 7 + (s->ITCAddressMap[1] & ITC_AM1_ENTRY_GRAIN_MASK);
if (s->saar_present) {
return 7 + ((s->icr0 >> ITC_ICR0_BLK_GRAIN) &
ITC_ICR0_BLK_GRAIN_MASK);
} else {
return 7 + (s->ITCAddressMap[1] & ITC_AM1_ENTRY_GRAIN_MASK);
}
}
static inline ITCStorageCell *get_cell(MIPSITUState *s,
@ -356,6 +375,12 @@ static void view_pv_try_write(ITCStorageCell *c)
view_pv_common_write(c);
}
static void raise_exception(int excp)
{
current_cpu->exception_index = excp;
cpu_loop_exit(current_cpu);
}
static uint64_t itc_storage_read(void *opaque, hwaddr addr, unsigned size)
{
MIPSITUState *s = (MIPSITUState *)opaque;
@ -363,6 +388,14 @@ static uint64_t itc_storage_read(void *opaque, hwaddr addr, unsigned size)
ITCView view = get_itc_view(addr);
uint64_t ret = -1;
switch (size) {
case 1:
case 2:
s->icr0 |= 1 << ITC_ICR0_ERR_AXI;
raise_exception(EXCP_DBE);
return 0;
}
switch (view) {
case ITCVIEW_BYPASS:
ret = view_bypass_read(cell);
@ -382,6 +415,9 @@ static uint64_t itc_storage_read(void *opaque, hwaddr addr, unsigned size)
case ITCVIEW_PV_TRY:
ret = view_pv_try_read(cell);
break;
case ITCVIEW_PV_ICR0:
ret = s->icr0;
break;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"itc_storage_read: Bad ITC View %d\n", (int)view);
@ -398,6 +434,14 @@ static void itc_storage_write(void *opaque, hwaddr addr, uint64_t data,
ITCStorageCell *cell = get_cell(s, addr);
ITCView view = get_itc_view(addr);
switch (size) {
case 1:
case 2:
s->icr0 |= 1 << ITC_ICR0_ERR_AXI;
raise_exception(EXCP_DBE);
return;
}
switch (view) {
case ITCVIEW_BYPASS:
view_bypass_write(cell, data);
@ -417,6 +461,15 @@ static void itc_storage_write(void *opaque, hwaddr addr, uint64_t data,
case ITCVIEW_PV_TRY:
view_pv_try_write(cell);
break;
case ITCVIEW_PV_ICR0:
if (data & 0x7) {
/* clear ERROR bits */
s->icr0 &= ~(data & 0x7);
}
/* set BLK_GRAIN */
s->icr0 &= ~0x700;
s->icr0 |= data & 0x700;
break;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"itc_storage_write: Bad ITC View %d\n", (int)view);
@ -479,10 +532,15 @@ static void mips_itu_reset(DeviceState *dev)
{
MIPSITUState *s = MIPS_ITU(dev);
s->ITCAddressMap[0] = 0;
s->ITCAddressMap[1] =
((ITC_STORAGE_ADDRSPACE_SZ - 1) & ITC_AM1_ADDR_MASK_MASK) |
(get_num_cells(s) << ITC_AM1_NUMENTRIES_OFS);
if (s->saar_present) {
*(uint64_t *) s->saar = 0x11 << 1;
s->icr0 = get_num_cells(s) << ITC_ICR0_CELL_NUM;
} else {
s->ITCAddressMap[0] = 0;
s->ITCAddressMap[1] =
((ITC_STORAGE_ADDRSPACE_SZ - 1) & ITC_AM1_ADDR_MASK_MASK) |
(get_num_cells(s) << ITC_AM1_NUMENTRIES_OFS);
}
itc_reconfigure(s);
itc_reset_cells(s);
@ -493,6 +551,7 @@ static Property mips_itu_properties[] = {
ITC_FIFO_NUM_MAX),
DEFINE_PROP_INT32("num-semaphores", MIPSITUState, num_semaphores,
ITC_SEMAPH_NUM_MAX),
DEFINE_PROP_BOOL("saar-present", MIPSITUState, saar_present, false),
DEFINE_PROP_END_OF_LIST(),
};

8
include/hw/misc/mips_itu.h
View File

@ -66,6 +66,14 @@ typedef struct MIPSITUState {
/* ITC Configuration Tags */
uint64_t ITCAddressMap[ITC_ADDRESSMAP_NUM];
MemoryRegion tag_io;
/* ITU Control Register */
uint64_t icr0;
/* SAAR */
bool saar_present;
void *saar;
} MIPSITUState;
/* Get ITC Configuration Tag memory region. */

331
target/mips/cpu.h
View File

@ -123,87 +123,6 @@ typedef struct mips_def_t mips_def_t;
#define MIPS_KSCRATCH_NUM 6
#define MIPS_MAAR_MAX 16 /* Must be an even number. */
typedef struct TCState TCState;
struct TCState {
target_ulong gpr[32];
target_ulong PC;
target_ulong HI[MIPS_DSP_ACC];
target_ulong LO[MIPS_DSP_ACC];
target_ulong ACX[MIPS_DSP_ACC];
target_ulong DSPControl;
int32_t CP0_TCStatus;
#define CP0TCSt_TCU3 31
#define CP0TCSt_TCU2 30
#define CP0TCSt_TCU1 29
#define CP0TCSt_TCU0 28
#define CP0TCSt_TMX 27
#define CP0TCSt_RNST 23
#define CP0TCSt_TDS 21
#define CP0TCSt_DT 20
#define CP0TCSt_DA 15
#define CP0TCSt_A 13
#define CP0TCSt_TKSU 11
#define CP0TCSt_IXMT 10
#define CP0TCSt_TASID 0
int32_t CP0_TCBind;
#define CP0TCBd_CurTC 21
#define CP0TCBd_TBE 17
#define CP0TCBd_CurVPE 0
target_ulong CP0_TCHalt;
target_ulong CP0_TCContext;
target_ulong CP0_TCSchedule;
target_ulong CP0_TCScheFBack;
int32_t CP0_Debug_tcstatus;
target_ulong CP0_UserLocal;
int32_t msacsr;
#define MSACSR_FS 24
#define MSACSR_FS_MASK (1 << MSACSR_FS)
#define MSACSR_NX 18
#define MSACSR_NX_MASK (1 << MSACSR_NX)
#define MSACSR_CEF 2
#define MSACSR_CEF_MASK (0xffff << MSACSR_CEF)
#define MSACSR_RM 0
#define MSACSR_RM_MASK (0x3 << MSACSR_RM)
#define MSACSR_MASK (MSACSR_RM_MASK | MSACSR_CEF_MASK | MSACSR_NX_MASK | \
MSACSR_FS_MASK)
float_status msa_fp_status;
#define NUMBER_OF_MXU_REGISTERS 16
target_ulong mxu_gpr[NUMBER_OF_MXU_REGISTERS - 1];
target_ulong mxu_cr;
#define MXU_CR_LC 31
#define MXU_CR_RC 30
#define MXU_CR_BIAS 2
#define MXU_CR_RD_EN 1
#define MXU_CR_MXU_EN 0
};
typedef struct CPUMIPSState CPUMIPSState;
struct CPUMIPSState {
TCState active_tc;
CPUMIPSFPUContext active_fpu;
uint32_t current_tc;
uint32_t current_fpu;
uint32_t SEGBITS;
uint32_t PABITS;
#if defined(TARGET_MIPS64)
# define PABITS_BASE 36
#else
# define PABITS_BASE 32
#endif
target_ulong SEGMask;
uint64_t PAMask;
#define PAMASK_BASE ((1ULL << PABITS_BASE) - 1)
int32_t msair;
#define MSAIR_ProcID 8
#define MSAIR_Rev 0
/*
* Summary of CP0 registers
@ -245,8 +164,8 @@ struct CPUMIPSState {
* 3 BadInstrX
* 4 GuestCtl1 GuestCtl0Ext
* 5 GuestCtl2
* 6 GuestCtl3
* 7
* 6 SAARI GuestCtl3
* 7 SAAR
*
*
* Register 12 Register 13 Register 14 Register 15
@ -314,6 +233,240 @@ struct CPUMIPSState {
* 7 TagLo TagHi KScratch<n>
*
*/
#define CP0_REGISTER_00 0
#define CP0_REGISTER_01 1
#define CP0_REGISTER_02 2
#define CP0_REGISTER_03 3
#define CP0_REGISTER_04 4
#define CP0_REGISTER_05 5
#define CP0_REGISTER_06 6
#define CP0_REGISTER_07 7
#define CP0_REGISTER_08 8
#define CP0_REGISTER_09 9
#define CP0_REGISTER_10 10
#define CP0_REGISTER_11 11
#define CP0_REGISTER_12 12
#define CP0_REGISTER_13 13
#define CP0_REGISTER_14 14
#define CP0_REGISTER_15 15
#define CP0_REGISTER_16 16
#define CP0_REGISTER_17 17
#define CP0_REGISTER_18 18
#define CP0_REGISTER_19 19
#define CP0_REGISTER_20 20
#define CP0_REGISTER_21 21
#define CP0_REGISTER_22 22
#define CP0_REGISTER_23 23
#define CP0_REGISTER_24 24
#define CP0_REGISTER_25 25
#define CP0_REGISTER_26 26
#define CP0_REGISTER_27 27
#define CP0_REGISTER_28 28
#define CP0_REGISTER_29 29
#define CP0_REGISTER_30 30
#define CP0_REGISTER_31 31
/* CP0 Register 00 */
#define CP0_REG00__INDEX 0
#define CP0_REG00__VPCONTROL 4
/* CP0 Register 01 */
/* CP0 Register 02 */
#define CP0_REG02__ENTRYLO0 0
/* CP0 Register 03 */
#define CP0_REG03__ENTRYLO1 0
#define CP0_REG03__GLOBALNUM 1
/* CP0 Register 04 */
#define CP0_REG04__CONTEXT 0
#define CP0_REG04__USERLOCAL 2
#define CP0_REG04__DBGCONTEXTID 4
#define CP0_REG00__MMID 5
/* CP0 Register 05 */
#define CP0_REG05__PAGEMASK 0
#define CP0_REG05__PAGEGRAIN 1
/* CP0 Register 06 */
#define CP0_REG06__WIRED 0
/* CP0 Register 07 */
#define CP0_REG07__HWRENA 0
/* CP0 Register 08 */
#define CP0_REG08__BADVADDR 0
#define CP0_REG08__BADINSTR 1
#define CP0_REG08__BADINSTRP 2
/* CP0 Register 09 */
#define CP0_REG09__COUNT 0
#define CP0_REG09__SAARI 6
#define CP0_REG09__SAAR 7
/* CP0 Register 10 */
#define CP0_REG10__ENTRYHI 0
#define CP0_REG10__GUESTCTL1 4
#define CP0_REG10__GUESTCTL2 5
/* CP0 Register 11 */
#define CP0_REG11__COMPARE 0
#define CP0_REG11__GUESTCTL0EXT 4
/* CP0 Register 12 */
#define CP0_REG12__STATUS 0
#define CP0_REG12__INTCTL 1
#define CP0_REG12__SRSCTL 2
#define CP0_REG12__GUESTCTL0 6
#define CP0_REG12__GTOFFSET 7
/* CP0 Register 13 */
#define CP0_REG13__CAUSE 0
/* CP0 Register 14 */
#define CP0_REG14__EPC 0
/* CP0 Register 15 */
#define CP0_REG15__PRID 0
#define CP0_REG15__EBASE 1
#define CP0_REG15__CDMMBASE 2
#define CP0_REG15__CMGCRBASE 3
/* CP0 Register 16 */
#define CP0_REG16__CONFIG 0
#define CP0_REG16__CONFIG1 1
#define CP0_REG16__CONFIG2 2
#define CP0_REG16__CONFIG3 3
#define CP0_REG16__CONFIG4 4
#define CP0_REG16__CONFIG5 5
#define CP0_REG00__CONFIG7 7
/* CP0 Register 17 */
#define CP0_REG17__LLADDR 0
#define CP0_REG17__MAAR 1
#define CP0_REG17__MAARI 2
/* CP0 Register 18 */
#define CP0_REG18__WATCHLO0 0
#define CP0_REG18__WATCHLO1 1
#define CP0_REG18__WATCHLO2 2
#define CP0_REG18__WATCHLO3 3
/* CP0 Register 19 */
#define CP0_REG19__WATCHHI0 0
#define CP0_REG19__WATCHHI1 1
#define CP0_REG19__WATCHHI2 2
#define CP0_REG19__WATCHHI3 3
/* CP0 Register 20 */
#define CP0_REG20__XCONTEXT 0
/* CP0 Register 21 */
/* CP0 Register 22 */
/* CP0 Register 23 */
#define CP0_REG23__DEBUG 0
/* CP0 Register 24 */
#define CP0_REG24__DEPC 0
/* CP0 Register 25 */
#define CP0_REG25__PERFCTL0 0
#define CP0_REG25__PERFCNT0 1
#define CP0_REG25__PERFCTL1 2
#define CP0_REG25__PERFCNT1 3
#define CP0_REG25__PERFCTL2 4
#define CP0_REG25__PERFCNT2 5
#define CP0_REG25__PERFCTL3 6
#define CP0_REG25__PERFCNT3 7
/* CP0 Register 26 */
#define CP0_REG00__ERRCTL 0
/* CP0 Register 27 */
#define CP0_REG27__CACHERR 0
/* CP0 Register 28 */
#define CP0_REG28__ITAGLO 0
#define CP0_REG28__IDATALO 1
#define CP0_REG28__DTAGLO 2
#define CP0_REG28__DDATALO 3
/* CP0 Register 29 */
#define CP0_REG29__IDATAHI 1
#define CP0_REG29__DDATAHI 3
/* CP0 Register 30 */
#define CP0_REG30__ERROREPC 0
/* CP0 Register 31 */
#define CP0_REG31__DESAVE 0
#define CP0_REG31__KSCRATCH1 2
#define CP0_REG31__KSCRATCH2 3
#define CP0_REG31__KSCRATCH3 4
#define CP0_REG31__KSCRATCH4 5
#define CP0_REG31__KSCRATCH5 6
#define CP0_REG31__KSCRATCH6 7
typedef struct TCState TCState;
struct TCState {
target_ulong gpr[32];
target_ulong PC;
target_ulong HI[MIPS_DSP_ACC];
target_ulong LO[MIPS_DSP_ACC];
target_ulong ACX[MIPS_DSP_ACC];
target_ulong DSPControl;
int32_t CP0_TCStatus;
#define CP0TCSt_TCU3 31
#define CP0TCSt_TCU2 30
#define CP0TCSt_TCU1 29
#define CP0TCSt_TCU0 28
#define CP0TCSt_TMX 27
#define CP0TCSt_RNST 23
#define CP0TCSt_TDS 21
#define CP0TCSt_DT 20
#define CP0TCSt_DA 15
#define CP0TCSt_A 13
#define CP0TCSt_TKSU 11
#define CP0TCSt_IXMT 10
#define CP0TCSt_TASID 0
int32_t CP0_TCBind;
#define CP0TCBd_CurTC 21
#define CP0TCBd_TBE 17
#define CP0TCBd_CurVPE 0
target_ulong CP0_TCHalt;
target_ulong CP0_TCContext;
target_ulong CP0_TCSchedule;
target_ulong CP0_TCScheFBack;
int32_t CP0_Debug_tcstatus;
target_ulong CP0_UserLocal;
int32_t msacsr;
#define MSACSR_FS 24
#define MSACSR_FS_MASK (1 << MSACSR_FS)
#define MSACSR_NX 18
#define MSACSR_NX_MASK (1 << MSACSR_NX)
#define MSACSR_CEF 2
#define MSACSR_CEF_MASK (0xffff << MSACSR_CEF)
#define MSACSR_RM 0
#define MSACSR_RM_MASK (0x3 << MSACSR_RM)
#define MSACSR_MASK (MSACSR_RM_MASK | MSACSR_CEF_MASK | MSACSR_NX_MASK | \
MSACSR_FS_MASK)
float_status msa_fp_status;
/* Upper 64-bit MMRs (multimedia registers); the lower 64-bit are GPRs */
uint64_t mmr[32];
#define NUMBER_OF_MXU_REGISTERS 16
target_ulong mxu_gpr[NUMBER_OF_MXU_REGISTERS - 1];
target_ulong mxu_cr;
#define MXU_CR_LC 31
#define MXU_CR_RC 30
#define MXU_CR_BIAS 2
#define MXU_CR_RD_EN 1
#define MXU_CR_MXU_EN 0
};
struct MIPSITUState;
typedef struct CPUMIPSState CPUMIPSState;
struct CPUMIPSState {
TCState active_tc;
CPUMIPSFPUContext active_fpu;
uint32_t current_tc;
uint32_t current_fpu;
uint32_t SEGBITS;
uint32_t PABITS;
#if defined(TARGET_MIPS64)
# define PABITS_BASE 36
#else
# define PABITS_BASE 32
#endif
target_ulong SEGMask;
uint64_t PAMask;
#define PAMASK_BASE ((1ULL << PABITS_BASE) - 1)
int32_t msair;
#define MSAIR_ProcID 8
#define MSAIR_Rev 0
/*
* CP0 Register 0
*/
@ -386,6 +539,7 @@ struct CPUMIPSState {
*/
target_ulong CP0_Context;
target_ulong CP0_KScratch[MIPS_KSCRATCH_NUM];
int32_t CP0_MemoryMapID;
/*
* CP0 Register 5
*/
@ -511,6 +665,12 @@ struct CPUMIPSState {
* CP0 Register 9
*/
int32_t CP0_Count;
uint32_t CP0_SAARI;
#define CP0SAARI_TARGET 0 /* 5..0 */
uint64_t CP0_SAAR[2];
#define CP0SAAR_BASE 12 /* 43..12 */
#define CP0SAAR_SIZE 1 /* 5..1 */
#define CP0SAAR_EN 0
/*
* CP0 Register 10
*/
@ -860,6 +1020,7 @@ struct CPUMIPSState {
uint32_t CP0_Status_rw_bitmask; /* Read/write bits in CP0_Status */
uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */
uint64_t insn_flags; /* Supported instruction set */
int saarp;
/* Fields up to this point are cleared by a CPU reset */
struct {} end_reset_fields;
@ -875,6 +1036,7 @@ struct CPUMIPSState {
const mips_def_t *cpu_model;
void *irq[8];
QEMUTimer *timer; /* Internal timer */
struct MIPSITUState *itu;
MemoryRegion *itc_tag; /* ITC Configuration Tags */
target_ulong exception_base; /* ExceptionBase input to the core */
};
@ -1017,6 +1179,9 @@ void cpu_set_exception_base(int vp_index, target_ulong address);
/* mips_int.c */
void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level);
/* mips_itu.c */
void itc_reconfigure(struct MIPSITUState *tag);
/* helper.c */
target_ulong exception_resume_pc (CPUMIPSState *env);

6
target/mips/helper.h
View File

@ -65,6 +65,8 @@ DEF_HELPER_1(mftc0_tcschedule, tl, env)
DEF_HELPER_1(mfc0_tcschefback, tl, env)
DEF_HELPER_1(mftc0_tcschefback, tl, env)
DEF_HELPER_1(mfc0_count, tl, env)
DEF_HELPER_1(mfc0_saar, tl, env)
DEF_HELPER_1(mfhc0_saar, tl, env)
DEF_HELPER_1(mftc0_entryhi, tl, env)
DEF_HELPER_1(mftc0_status, tl, env)
DEF_HELPER_1(mftc0_cause, tl, env)
@ -87,6 +89,7 @@ DEF_HELPER_1(dmfc0_tcschefback, tl, env)
DEF_HELPER_1(dmfc0_lladdr, tl, env)
DEF_HELPER_1(dmfc0_maar, tl, env)
DEF_HELPER_2(dmfc0_watchlo, tl, env, i32)
DEF_HELPER_1(dmfc0_saar, tl, env)
#endif /* TARGET_MIPS64 */
DEF_HELPER_2(mtc0_index, void, env, tl)
@ -131,6 +134,9 @@ DEF_HELPER_2(mtc0_srsconf4, void, env, tl)
DEF_HELPER_2(mtc0_hwrena, void, env, tl)
DEF_HELPER_2(mtc0_pwctl, void, env, tl)
DEF_HELPER_2(mtc0_count, void, env, tl)
DEF_HELPER_2(mtc0_saari, void, env, tl)
DEF_HELPER_2(mtc0_saar, void, env, tl)
DEF_HELPER_2(mthc0_saar, void, env, tl)
DEF_HELPER_2(mtc0_entryhi, void, env, tl)
DEF_HELPER_2(mttc0_entryhi, void, env, tl)
DEF_HELPER_2(mtc0_compare, void, env, tl)

1
target/mips/internal.h
View File

@ -61,6 +61,7 @@ struct mips_def_t {
target_ulong CP0_EBaseWG_rw_bitmask;
uint64_t insn_flags;
enum mips_mmu_types mmu_type;
int32_t SAARP;
};
extern const struct mips_def_t mips_defs[];

7
target/mips/machine.c
View File

@ -214,8 +214,8 @@ const VMStateDescription vmstate_tlb = {
const VMStateDescription vmstate_mips_cpu = {
.name = "cpu",
.version_id = 15,
.minimum_version_id = 15,
.version_id = 17,
.minimum_version_id = 17,
.post_load = cpu_post_load,
.fields = (VMStateField[]) {
/* Active TC */
@ -253,6 +253,7 @@ const VMStateDescription vmstate_mips_cpu = {
VMSTATE_UINT64(env.CP0_EntryLo0, MIPSCPU),
VMSTATE_UINT64(env.CP0_EntryLo1, MIPSCPU),
VMSTATE_UINTTL(env.CP0_Context, MIPSCPU),
VMSTATE_INT32(env.CP0_MemoryMapID, MIPSCPU),
VMSTATE_INT32(env.CP0_PageMask, MIPSCPU),
VMSTATE_INT32(env.CP0_PageGrain, MIPSCPU),
VMSTATE_UINTTL(env.CP0_SegCtl0, MIPSCPU),
@ -274,6 +275,8 @@ const VMStateDescription vmstate_mips_cpu = {
VMSTATE_UINT32(env.CP0_BadInstrP, MIPSCPU),
VMSTATE_UINT32(env.CP0_BadInstrX, MIPSCPU),
VMSTATE_INT32(env.CP0_Count, MIPSCPU),
VMSTATE_UINT32(env.CP0_SAARI, MIPSCPU),
VMSTATE_UINT64_ARRAY(env.CP0_SAAR, MIPSCPU, 2),
VMSTATE_UINTTL(env.CP0_EntryHi, MIPSCPU),
VMSTATE_INT32(env.CP0_Compare, MIPSCPU),
VMSTATE_INT32(env.CP0_Status, MIPSCPU),

64
target/mips/op_helper.c
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@ -938,6 +938,22 @@ target_ulong helper_mfc0_count(CPUMIPSState *env)
return count;
}
target_ulong helper_mfc0_saar(CPUMIPSState *env)
{
if ((env->CP0_SAARI & 0x3f) < 2) {
return (int32_t) env->CP0_SAAR[env->CP0_SAARI & 0x3f];
}
return 0;
}
target_ulong helper_mfhc0_saar(CPUMIPSState *env)
{
if ((env->CP0_SAARI & 0x3f) < 2) {
return env->CP0_SAAR[env->CP0_SAARI & 0x3f] >> 32;
}
return 0;
}
target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
@ -1059,6 +1075,14 @@ target_ulong helper_dmfc0_watchlo(CPUMIPSState *env, uint32_t sel)
{
return env->CP0_WatchLo[sel];
}
target_ulong helper_dmfc0_saar(CPUMIPSState *env)
{
if ((env->CP0_SAARI & 0x3f) < 2) {
return env->CP0_SAAR[env->CP0_SAARI & 0x3f];
}
return 0;
}
#endif /* TARGET_MIPS64 */
void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
@ -1598,6 +1622,46 @@ void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
qemu_mutex_unlock_iothread();
}
void helper_mtc0_saari(CPUMIPSState *env, target_ulong arg1)
{
uint32_t target = arg1 & 0x3f;
if (target <= 1) {
env->CP0_SAARI = target;
}
}
void helper_mtc0_saar(CPUMIPSState *env, target_ulong arg1)
{
uint32_t target = env->CP0_SAARI & 0x3f;
if (target < 2) {
env->CP0_SAAR[target] = arg1 & 0x00000ffffffff03fULL;
switch (target) {
case 0:
if (env->itu) {
itc_reconfigure(env->itu);
}
break;
}
}
}
void helper_mthc0_saar(CPUMIPSState *env, target_ulong arg1)
{
uint32_t target = env->CP0_SAARI & 0x3f;
if (target < 2) {
env->CP0_SAAR[target] =
(((uint64_t) arg1 << 32) & 0x00000fff00000000ULL) |
(env->CP0_SAAR[target] & 0x00000000ffffffffULL);
switch (target) {
case 0:
if (env->itu) {
itc_reconfigure(env->itu);
}
break;
}
}
}
void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
{
target_ulong old, val, mask;

1192
target/mips/translate.c
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