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Match and link OSError 

Former-commit-id: eff0143e11
This commit is contained in:
Phillip Stephens 2022-12-18 11:41:59 -08:00
parent 7bd2b5f649
commit 2b1f19dcf7
5 changed files with 842 additions and 30 deletions
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2
configure.py
View File

@ -810,7 +810,7 @@ LIBS = [
["Dolphin/os/OSAudioSystem", True], ["Dolphin/os/OSAudioSystem", True],
["Dolphin/os/OSCache", True], ["Dolphin/os/OSCache", True],
["Dolphin/os/OSContext", True, True, True], ["Dolphin/os/OSContext", True, True, True],
"Dolphin/os/OSError", ["Dolphin/os/OSError", True],
"Dolphin/os/OSFatal", "Dolphin/os/OSFatal",
"Dolphin/os/OSFont", "Dolphin/os/OSFont",
["Dolphin/os/OSInterrupt", True], ["Dolphin/os/OSInterrupt", True],

488
include/dolphin/PPCArch.h
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@ -6,35 +6,471 @@
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
#define MSR_IR 0x00000020
#define MSR_DR 0x00000010 #define CTR 9
#define L2CR_L2E 0x80000000 #define XER 1
#define L2CR_L2PE 0x40000000 #define LR 8
#define L2CR_L2SIZ_256K 0x10000000
#define L2CR_L2SIZ_512K 0x20000000 #define UPMC1 937
#define L2CR_L2SIZ_1M 0x30000000 #define UPMC2 938
#define L2CR_L2CLK_1_0 0x02000000 #define UPMC3 941
#define L2CR_L2CLK_1_5 0x04000000 #define UPMC4 942
#define L2CR_L2CLK_2_0 0x08000000
#define L2CR_L2CLK_2_5 0x0A000000 #define USIA 939
#define L2CR_L2CLK_3_0 0x0C000000
#define L2CR_RAM_FLOW_THRU_BURST 0x00000000 #define UMMCR0 936
#define L2CR_RAM_PIPELINE_BURST 0x01000000 #define UMMCR1 940
#define L2CR_RAM_PIPELINE_LATE 0x01800000
#define L2CR_L2I 0x00200000 #define HID0 1008
#define HID1 1009
#define PVR 287
#define IBAT0U 528
#define IBAT0L 529
#define IBAT1U 530
#define IBAT1L 531
#define IBAT2U 532
#define IBAT2L 533
#define IBAT3U 534
#define IBAT3L 535
#define DBAT0U 536
#define DBAT0L 537
#define DBAT1U 538
#define DBAT1L 539
#define DBAT2U 540
#define DBAT2L 541
#define DBAT3U 542
#define DBAT3L 543
#define SDR1 25
#define SPRG0 272
#define SPRG1 273
#define SPRG2 274
#define SPRG3 275
#define DAR 19
#define DSISR 18
#define SRR0 26
#define SRR1 27
#define EAR 282
#define DABR 1013
#define TBL 284
#define TBU 285
#define L2CR 1017
#define DEC 22
#define IABR 1010
#define PMC1 953
#define PMC2 954
#define PMC3 957
#define PMC4 958
#define SIA 955
#define MMCR0 952
#define MMCR1 956
#define THRM1 1020
#define THRM2 1021
#define THRM3 1022
#define ICTC 1019
#define GQR0 912
#define GQR1 913
#define GQR2 914
#define GQR3 915
#define GQR4 916
#define GQR5 917
#define GQR6 918
#define GQR7 919
#define HID2 920
#define WPAR 921
#define DMA_U 922
#define DMA_L 923
#define MSR_POW 0x00040000 // Power Management
#define MSR_ILE 0x00010000 // Interrupt Little Endian
#define MSR_EE 0x00008000 // external interrupt
#define MSR_PR 0x00004000 // privilege level(should be 0)
#define MSR_FP 0x00002000 // floating point available
#define MSR_ME 0x00001000 // machine check enable
#define MSR_FE0 0x00000800 // floating point exception enable
#define MSR_SE 0x00000400 // single step trace enable
#define MSR_BE 0x00000200 // branch trace enable
#define MSR_FE1 0x00000100 // floating point exception enable
#define MSR_IP 0x00000040 // Exception prefix
#define MSR_IR 0x00000020 // instruction relocate
#define MSR_DR 0x00000010 // data relocate
#define MSR_PM 0x00000004 // Performance monitor marked mode
#define MSR_RI 0x00000002 // Recoverable interrupt
#define MSR_LE 0x00000001 // Little Endian
#define MSR_POW_BIT 13 // Power Management
#define MSR_ILE_BIT 15 // Interrupt Little Endian
#define MSR_EE_BIT 16 // external interrupt
#define MSR_PR_BIT 17 // privilege level (should be 0)
#define MSR_FP_BIT 18 // floating point available
#define MSR_ME_BIT 19 // machine check enable
#define MSR_FE0_BIT 20 // floating point exception enable
#define MSR_SE_BIT 21 // single step trace enable
#define MSR_BE_BIT 22 // branch trace enable
#define MSR_FE1_BIT 23 // floating point exception enable
#define MSR_IP_BIT 25 // Exception prefix
#define MSR_IR_BIT 26 // instruction relocate
#define MSR_DR_BIT 27 // data relocate
#define MSR_PM_BIT 29 // Performance monitor marked mode
#define MSR_RI_BIT 30 // Recoverable interrupt
#define MSR_LE_BIT 31 // Little Endian
/*---------------------------------------------------------------------------*
HID0 bits
*---------------------------------------------------------------------------*/
#define HID0_EMCP 0x80000000 // Enable MCP
#define HID0_DBP 0x40000000 // Enable 60x bus address and data parity chk
#define HID0_EBA 0x20000000 // Enable 60x address parity checking
#define HID0_EBD 0x10000000 // Enable 60x data parity checking
#define HID0_BCLK 0x08000000 // CLK_OUT output enable and clk selection
#define HID0_ECLK 0x02000000 // CLK_OUT output enable and clk selection
#define HID0_PAR 0x01000000 // Disable !ARTRY precharge
#define HID0_DOZE 0x00800000 // Doze mode enable
#define HID0_NAP 0x00400000 // Nap mode enable
#define HID0_SLEEP 0x00200000 // Sleep mode enable
#define HID0_DPM 0x00100000 // Dynamic power management enable
#define HID0_NHR 0x00010000 // Not hard reset (0 hard reset if s/w set it)
#define HID0_ICE 0x00008000 // Instruction cache enable
#define HID0_DCE 0x00004000 // Data cache enable
#define HID0_ILOCK 0x00002000 // ICache lock
#define HID0_DLOCK 0x00001000 // DCache lock
#define HID0_ICFI 0x00000800 // ICache flash invalidate
#define HID0_DCFI 0x00000400 // DCache flash invalidate
#define HID0_SPD 0x00000200 // Speculative cache access enable (0 enable)
#define HID0_IFEM 0x00000100 // Enable M bit on bus for Ifetch
#define HID0_SGE 0x00000080 // Store gathering enable
#define HID0_DCFA 0x00000040 // DCache flush assist - set before a flush
#define HID0_BTIC 0x00000020 // Branch target icache enable
#define HID0_ABE 0x00000008 // Address bcast enable
#define HID0_BHT 0x00000004 // Branch history table enable
#define HID0_NOOPTI 0x00000001 // No-op Dcache touch instructions
#define HID0_ICE_BIT 16 // Instruction cache enable
#define HID0_DCE_BIT 17 // Data cache enable
#define HID0_ILOCK_BIT 18 // ICache lock
#define HID0_DLOCK_BIT 19 // DCache lock
#define HID2_LSQE 0x80000000 // L/S quantize enable
#define HID2_WPE 0x40000000 // Write pipe enable
#define HID2_PSE 0x20000000 // Paired single enable
#define HID2_LCE 0x10000000 // Locked cache enable
#define HID2_DCHERR 0x00800000 // ERROR: dcbz_l cache hit
#define HID2_DNCERR 0x00400000 // ERROR: DMA access to normal cache
#define HID2_DCMERR 0x00200000 // ERROR: DMA cache miss error
#define HID2_DQOERR 0x00100000 // ERROR: DMA queue overflow
#define HID2_DCHEE 0x00080000 // dcbz_l cache hit error enable
#define HID2_DNCEE 0x00040000 // DMA access to normal cache error enable
#define HID2_DCMEE 0x00020000 // DMA cache miss error error enable
#define HID2_DQOEE 0x00010000 // DMA queue overflow error enable
#define HID2_DMAQL_MASK 0x0F000000 // DMA queue length mask
#define HID2_DMAQL_SHIFT 24 // DMA queue shift
#define HID2_LSQE_BIT 0
#define HID2_WPE_BIT 1
#define HID2_PSE_BIT 2
#define HID2_LCE_BIT 3
#define HID2_DCHERR_BIT 8
#define HID2_DNCERR_BIT 9
#define HID2_DCMERR_BIT 10
#define HID2_DQOERR_BIT 11
#define HID2_DCHEE_BIT 12
#define HID2_DNCEE_BIT 13
#define HID2_DCMEE_BIT 14
#define HID2_DQOEE_BIT 15
#define GQR_LOAD_SCALE_MASK 0x3F000000 // load scale field
#define GQR_LOAD_TYPE_MASK 0x00070000 // load type field
#define GQR_STORE_SCALE_MASK 0x00003F00 // store scale field
#define GQR_STORE_TYPE_MASK 0x00000007 // store type field
typedef struct
{
u32 _pad0 :2;
u32 loadScale :6;
u32 _pad1 :5;
u32 loadType :3;
u32 _pad2 :2;
u32 storeScale :6;
u32 _pad3 :5;
u32 storeType :3;
} PPC_GQR_t;
typedef union
{
u32 val;
PPC_GQR_t f;
} PPC_GQR_u;
#define DMA_U_ADDR_MASK 0xFFFFFFE0 // Start addr in memory
#define DMA_U_LEN_U_MASK 0x0000001F // lines to transfer (U)
#define DMA_L_LC_ADDR_MASK 0xFFFFFFE0 // Start addr in LC
#define DMA_L_LOAD 0x00000010 // 0 - store, 1 - load
#define DMA_L_STORE 0x00000000 // 0 - store, 1 - load
#define DMA_L_LEN_MASK 0x0000000C // lines to transfer (L)
#define DMA_L_TRIGGER 0x00000002 // 0 - cmd inactive, 1 - cmd rdy
#define DMA_L_FLUSH 0x00000001 // 1 - Flush DMA queue
typedef struct
{
u32 memAddr :27;
u32 dmaLenU :5;
} PPC_DMA_U_t;
typedef union
{
u32 val;
PPC_DMA_U_t f;
} PPC_DMA_U_u;
typedef struct
{
u32 lcAddr :27;
u32 dmaLd :1;
u32 dmaLenL :2;
u32 dmaTrigger :1;
u32 dmaFlush :1;
} PPC_DMA_L_t;
typedef union
{
u32 val;
PPC_DMA_L_t f;
} PPC_DMA_L_u;
#define WPAR_ADDR 0xFFFFFFE0 // 32byte gather address
#define WPAR_BNE 0x00000001 // Buffer not empty (R)
#define SRR1_DMA_BIT 0x00200000 #define SRR1_DMA_BIT 0x00200000
#define SRR1_L2DP_BIT 0x00100000 #define SRR1_L2DP_BIT 0x00100000
#define HID0_ICE 0x00008000
#define HID0_DCE 0x00004000 #define L2CR_L2E 0x80000000 // L2 Enable
#define HID2_DCHERR 0x00800000 #define L2CR_L2PE 0x40000000 // L2 data parity generation and checking enable
#define HID2_DNCERR 0x00400000
#define HID2_DCMERR 0x00200000 #define L2CR_L2SIZ_256K 0x10000000 // L2 size 256K
#define HID2_DQOERR 0x00100000 #define L2CR_L2SIZ_512K 0x20000000 // L2 size 512
#define HID2_DCHEE 0x00080000 #define L2CR_L2SIZ_1M 0x30000000 // L2 size 1M
#define HID2_DNCEE 0x00040000
#define HID2_DCMEE 0x00020000 #define L2CR_L2CLK_1_0 0x02000000 // L2 clock ratio 1
#define HID2_DQOEE 0x00010000 #define L2CR_L2CLK_1_5 0x04000000 // L2 clock ratio 1.5
#define L2CR_L2CLK_2_0 0x08000000 // L2 clock ratio 2
#define L2CR_L2CLK_2_5 0x0A000000 // L2 clock ratio 2.5
#define L2CR_L2CLK_3_0 0x0C000000 // L2 clock ratio 3
#define L2CR_RAM_FLOW_THRU_BURST 0x00000000 // L2 RAM type flow-through sync. burst SRAM
#define L2CR_RAM_PIPELINE_BURST 0x01000000 // L2 RAM type pipelined sync. burst SRAM
#define L2CR_RAM_PIPELINE_LATE 0x01800000 // L2 RAM type pipelined sync. late-write SRAM
#define L2CR_L2DO 0x00400000 // Data only
#define L2CR_L2I 0x00200000 // Global invalidate
#define L2CR_L2CTL 0x00100000 // ZZ enable
#define L2CR_L2WT 0x00080000 // L2 write through
#define L2CR_L2TS 0x00040000 // L2 test support
#define L2CR_L2OH_0_5 0x00000000 // L2 output hold 0.5 ns
#define L2CR_L2OH_1_0 0x00010000 // L2 output hold 1.0 ns
#define L2CR_L2SL 0x00008000 // L2 DLL slow
#define L2CR_L2DF 0x00004000 // L2 differential clock
#define L2CR_L2BYP 0x00002000 // L2 DLL bypass
#define L2CR_L2CS 0x00000200 // L2 clock stop
#define L2CR_L2DRO 0x00000100 // L2 DLL rollover checkstop enable
#define L2CR_L2CTR_MASK 0x000000FE // L2 counter value mask
#define L2CR_L2IP 0x00000001 // L2 global invalidate in progress
#define MMCR0_DIS 0x80000000 // Disables counting unconditionally
#define MMCR0_DP 0x40000000 // Disables counting while in supervisor mode
#define MMCR0_DU 0x20000000 // Disables counting while in user mode
#define MMCR0_DMS 0x10000000 // Disables counting while MSR[PM] is set
#define MMCR0_DMR 0x08000000 // Disables counting while MSR[PM] is zero
#define MMCR0_ENINT 0x04000000 // Enables performance monitor interrupt signaling
#define MMCR0_DISCOUNT 0x02000000 // Disables counting of PMCn when a performance monitor interrupt is signaled or...
#define MMCR0_RTCSELECT_MASK 0x01800000 // 64-bit time base, bit selection enable
#define MMCR0_RTCSELECT_63 0x00000000 // Pick bit 63 to count
#define MMCR0_RTCSELECT_55 0x00800000 // Pick bit 55 to count
#define MMCR0_RTCSELECT_51 0x01000000 // Pick bit 51 to count
#define MMCR0_RTCSELECT_47 0x01800000 // Pick bit 47 to count
#define MMCR0_INTONBITTRANS 0x00400000 // Causes interrupt signaling on bit transition from off to on
#define MMCR0_THRESHOLD_MASK 0x003F0000 // Threshold value
#define MMCR0_THRESHOLD(n) ((n) << 16) // Threshold value (0 - 63)
#define MMCR0_PMC1INTCONTROL 0x00008000 // Enables interrupt signaling due to PMC1 counter overflow
#define MMCR0_PMC2INTCONTROL 0x00004000 // Enables interrupt signaling due to PMC2-PMC4 counter overflow
#define MMCR0_PMCTRIGGER 0x00002000 // Can be used to trigger counting of PMC2-PMC4 after PMC1 has overflowed or...
#define MMCR0_PMC1SELECT_MASK 0x00001FC0 // PMC1 input selector
#define MMCR0_PMC2SELECT_MASK 0x0000003F // PMC2 input selector
#define MMCR1_PMC3SELECT_MASK 0xF8000000 // PMC3 input selector
#define MMCR1_PMC4SELECT_MASK 0x07C00000 // PMC4 input selector
#define PMC1_OV 0x80000000 // Overflow
#define PMC1_COUNTER 0x7FFFFFFF // Counter value
#define PMC2_OV 0x80000000 // Overflow
#define PMC2_COUNTER 0x7FFFFFFF // Counter value
#define PMC3_OV 0x80000000 // Overflow
#define PMC3_COUNTER 0x7FFFFFFF // Counter value
#define PMC4_OV 0x80000000 // Overflow
#define PMC4_COUNTER 0x7FFFFFFF // Counter value
/*---------------------------------------------------------------------------*
PMC1 Events
*---------------------------------------------------------------------------*/
#define MMCR0_PMC1_HOLD 0x00000000 // Register holds current value
#define MMCR0_PMC1_CYCLE 0x00000040 // Processor cycles
#define MMCR0_PMC1_INSTRUCTION 0x00000080 // # of instructions completed.
#define MMCR0_PMC1_TRANSITION 0x000000C0 // # of transitions for 0 to 1
#define MMCR0_PMC1_DISPATCHED 0x00000100 // # of instructions dispatched
#define MMCR0_PMC1_EIEIO 0x00000140 // # of eieio instructions completed
#define MMCR0_PMC1_ITLB_CYCLE 0x00000180 // # of cycles spent performing table search op. for the ITLB
#define MMCR0_PMC1_L2_HIT 0x000001C0 // # of access that hit the L2.
#define MMCR0_PMC1_EA 0x00000200 // # of valid instruction EAs delivered to the memory subsystem
#define MMCR0_PMC1_IABR 0x00000240 // # of time the address of an instruction matches the IABR
#define MMCR0_PMC1_L1_MISS 0x00000280 // # of loads that miss the L1
#define MMCR0_PMC1_Bx_UNRESOLVED 0x000002C0 // # of branches that are unresolved when processed
#define MMCR0_PMC1_Bx_STALL_CYCLE 0x00000300 // # of cycles that dispatcher stalls due to a second
// unresolved branch in the instruction stream
#define MMCR0_PMC1_IC_FETCH_MISS 0x00000340 // # of times an instruction fetch missed the L1 Icache
#define MMCR0_PMC2_HOLD 0x00000000 // Register holds current value
#define MMCR0_PMC2_CYCLE 0x00000001 // Processor cycles
#define MMCR0_PMC2_INSTRUCTION 0x00000002 // # of instructions completed
#define MMCR0_PMC2_TRANSITION 0x00000003 // # of time-base (lower) bit transitions
#define MMCR0_PMC2_DISPATCHED 0x00000004 // # of instructions dispatched
#define MMCR0_PMC2_IC_MISS 0x00000005 // # of L1 instruction cache misses
#define MMCR0_PMC2_ITLB_MISS 0x00000006 // # of ITLB misses
#define MMCR0_PMC2_L2_I_MISS 0x00000007 // # of L2 instruction misses
#define MMCR0_PMC2_Bx_FALL_TROUGH 0x00000008 // # of fall-through branches
#define MMCR0_PMC2_PR_SWITCH 0x00000009 // # of MSR[PR] bit toggles
#define MMCR0_PMC2_RESERVED_LOAD 0x0000000A // # of reserved loads completed
#define MMCR0_PMC2_LOAD_STORE 0x0000000B // # of completed loads and stores
#define MMCR0_PMC2_SNOOP 0x0000000C // # of snoops
#define MMCR0_PMC2_L1_CASTOUT 0x0000000D // # of L1 castouts to L2
#define MMCR0_PMC2_SYSTEM 0x0000000E // # of completed system unit instructions
#define MMCR0_PMC2_IC_FETCH_MISS 0x0000000F // # of instruction fetch misses in the L1
#define MMCR0_PMC2_Bx_OUT_OF_ORDER 0x00000010 // # of branches allowing out-of-order execution
/*---------------------------------------------------------------------------*
PMC3 Events
*---------------------------------------------------------------------------*/
#define MMCR1_PMC3_HOLD 0x00000000 // Register holds current value
#define MMCR1_PMC3_CYCLE 0x08000000 // Processor cycles
#define MMCR1_PMC3_INSTRUCTION 0x10000000 // # of instructions completed
#define MMCR1_PMC3_TRANSITION 0x18000000 // # of time-base (lower) bit transitions
#define MMCR1_PMC3_DISPATCHED 0x20000000 // # of instructions dispatched
#define MMCR1_PMC3_DC_MISS 0x28000000 // # of L1 data cache misses
#define MMCR1_PMC3_DTLB_MISS 0x30000000 // # of DTLB misses
#define MMCR1_PMC3_L2_D_MISS 0x38000000 // # of L2 data misses
#define MMCR1_PMC3_Bx_TAKEN 0x40000000 // # predicted branches that were taken
#define MMCR1_PMC3_PM_SWITCH 0x48000000 // # of transitions between marked and unmarked processes
#define MMCR1_PMC3_COND_STORE 0x50000000 // # of store conditional instructions completed
#define MMCR1_PMC3_FPU 0x58000000 // # of instructions completed from the FPU
#define MMCR1_PMC3_L2_SNOOP_CASTOUT 0x60000000 // # of L2 castout caused by snoops to modified lines
#define MMCR1_PMC3_L2_HIT 0x68000000 // # of cache operations that hit in the L2 cache
#define MMCR1_PMC3_L1_MISS_CYCLE 0x78000000 // # of cycles generated by L1 load misses
#define MMCR1_PMC3_Bx_SECOND 0x80000000 // # of branches in the second speculative branch
// resolved correctly
#define MMCR1_PMC3_BPU_LR_CR 0x88000000 // # of cycles the BPU stalls due to LR or CR unresolved
// dependencies
#define MMCR1_PMC4_HOLD 0x00000000 // Register holds current value
#define MMCR1_PMC4_CYCLE 0x00400000 // Processor cycles
#define MMCR1_PMC4_INSTRUCTION 0x00800000 // # of instructions completed
#define MMCR1_PMC4_TRANSITION 0x00C00000 // # of time-base (lower) bit transitions
#define MMCR1_PMC4_DISPATCHED 0x01000000 // # of instructions dispatched
#define MMCR1_PMC4_L2_CASTOUT 0x01400000 // # of L2 castouts
#define MMCR1_PMC4_DTLB_CYCLE 0x01800000 // # of cycles spent performing table searches for DTLB accesses
#define MMCR1_PMC4_Bx_MISSED 0x02000000 // # of mispredicted branches
#define MMCR1_PMC4_COND_STORE_INT 0x02800000 // # of store conditional instructions completed
// with reservation intact
#define MMCR1_PMC4_SYNC 0x02C00000 // # of completed sync instructions
#define MMCR1_PMC4_SNOOP_RETRY 0x03000000 // # of snoop request retries
#define MMCR1_PMC4_INTEGER 0x03400000 // # of completed integer operations
#define MMCR1_PMC4_BPU_THIRD 0x03800000 // # of cycles the BPU cannot process new branches
// due to having two unresolved branches
#define MMCR1_PMC4_DC_MISS 0x07C00000 // # of L1 data cache misses
/*---------------------------------------------------------------------------*
FPSCR bits
*---------------------------------------------------------------------------*/
#ifndef FPSCR_FX
#define FPSCR_FX 0x80000000 // Exception summary
#define FPSCR_FEX 0x40000000 // Enabled exception summary
#define FPSCR_VX 0x20000000 // Invalid operation
#define FPSCR_OX 0x10000000 // Overflow exception
#define FPSCR_UX 0x08000000 // Underflow exception
#define FPSCR_ZX 0x04000000 // Zero divide exception
#define FPSCR_XX 0x02000000 // Inexact exception
#define FPSCR_VXSNAN 0x01000000 // SNaN
#define FPSCR_VXISI 0x00800000 // Infinity - Infinity
#define FPSCR_VXIDI 0x00400000 // Infinity / Infinity
#define FPSCR_VXZDZ 0x00200000 // 0 / 0
#define FPSCR_VXIMZ 0x00100000 // Infinity * 0
#define FPSCR_VXVC 0x00080000 // Invalid compare
#define FPSCR_FR 0x00040000 // Fraction rounded
#define FPSCR_FI 0x00020000 // Fraction inexact
#define FPSCR_VXSOFT 0x00000400 // Software request
#define FPSCR_VXSQRT 0x00000200 // Invalid square root
#define FPSCR_VXCVI 0x00000100 // Invalid integer convert
#define FPSCR_VE 0x00000080 // Invalid operation exception enable
#define FPSCR_OE 0x00000040 // Overflow exception enable
#define FPSCR_UE 0x00000020 // Underflow exception enable
#define FPSCR_ZE 0x00000010 // Zero divide exception enable
#define FPSCR_XE 0x00000008 // Inexact exception enable
#define FPSCR_NI 0x00000004 // Non-IEEE mode
#endif
#ifndef FPSCR_FX_BIT
#define FPSCR_FX_BIT 0 // Exception summary
#define FPSCR_FEX_BIT 1 // Enabled exception summary
#define FPSCR_VX_BIT 2 // Invalid operation
#define FPSCR_OX_BIT 3 // Overflow exception
#define FPSCR_UX_BIT 4 // Underflow exception
#define FPSCR_ZX_BIT 5 // Zero divide exception
#define FPSCR_XX_BIT 6 // Inexact exception
#define FPSCR_VXSNAN_BIT 7 // SNaN
#define FPSCR_VXISI_BIT 8 // Infinity - Infinity
#define FPSCR_VXIDI_BIT 9 // Infinity / Infinity
#define FPSCR_VXZDZ_BIT 10 // 0 / 0
#define FPSCR_VXIMZ_BIT 11 // Infinity * 0
#define FPSCR_VXVC_BIT 12 // Invalid compare
#define FPSCR_FR_BIT 13 // Fraction rounded
#define FPSCR_FI_BIT 14 // Fraction inexact
#define FPSCR_VXSOFT_BIT 21 // Software request
#define FPSCR_VXSQRT_BIT 22 // Invalid square root
#define FPSCR_VXCVI_BIT 23 // Invalid integer convert
#define FPSCR_VE_BIT 24 // Invalid operation exception enable
#define FPSCR_OE_BIT 25 // Overflow exception enable
#define FPSCR_UE_BIT 26 // Underflow exception enable
#define FPSCR_ZE_BIT 27 // Zero divide exception enable
#define FPSCR_XE_BIT 28 // Inexact exception enable
#define FPSCR_NI_BIT 29 // Non-IEEE mode
#endif
u32 PPCMfmsr(); u32 PPCMfmsr();
void PPCMtmsr(u32 newMSR); void PPCMtmsr(u32 newMSR);

2
include/dolphin/os/OSError.h
View File

@ -30,7 +30,7 @@ extern "C" {
typedef u16 OSError; typedef u16 OSError;
typedef void (*OSErrorHandler)( OSError error, OSContext* context, ... ); typedef void (*OSErrorHandler)( OSError error, OSContext* context, ... );
void OSSetErrorHandler(OSError code, OSErrorHandler handler); OSErrorHandler OSSetErrorHandler(OSError code, OSErrorHandler handler);
#ifdef __cplusplus #ifdef __cplusplus
} }

16
include/dolphin/os/OSException.h
View File

@ -8,7 +8,23 @@
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
#define __OS_EXCEPTION_SYSTEM_RESET 0
#define __OS_EXCEPTION_MACHINE_CHECK 1
#define __OS_EXCEPTION_DSI 2
#define __OS_EXCEPTION_ISI 3
#define __OS_EXCEPTION_EXTERNAL_INTERRUPT 4
#define __OS_EXCEPTION_ALIGNMENT 5
#define __OS_EXCEPTION_PROGRAM 6
#define __OS_EXCEPTION_FLOATING_POINT 7 #define __OS_EXCEPTION_FLOATING_POINT 7
#define __OS_EXCEPTION_DECREMENTER 8
#define __OS_EXCEPTION_SYSTEM_CALL 9
#define __OS_EXCEPTION_TRACE 10
#define __OS_EXCEPTION_PERFORMACE_MONITOR 11
#define __OS_EXCEPTION_BREAKPOINT 12
#define __OS_EXCEPTION_SYSTEM_INTERRUPT 13
#define __OS_EXCEPTION_THERMAL_INTERRUPT 14
#define __OS_EXCEPTION_MAX \
(__OS_EXCEPTION_THERMAL_INTERRUPT+1)
typedef u8 __OSException; typedef u8 __OSException;
typedef void (*__OSExceptionHandler)(__OSException exception, OSContext* context); typedef void (*__OSExceptionHandler)(__OSException exception, OSContext* context);

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#include <dolphin/PPCArch.h>
#include <dolphin/dsp_regs.h>
#include <dolphin/dvd_regs.h>
#include <dolphin/os.h>
#include <stdio.h>
OSThread* __OSCurrentThread : (OS_BASE_CACHED | 0x00E4);
OSThreadQueue __OSActiveThreadQueue : (OS_BASE_CACHED | 0x00DC);
volatile OSContext* __OSFPUContext : (OS_BASE_CACHED | 0x00D8);
OSErrorHandler __OSErrorTable[OS_ERROR_MAX];
#define FPSCR_ENABLE (FPSCR_VE | FPSCR_OE | FPSCR_UE | FPSCR_ZE | FPSCR_XE)
u32 __OSFpscrEnableBits = FPSCR_ENABLE;
__declspec(weak) void OSReport(const char* msg, ...) {
va_list args;
va_start(args, msg);
vprintf(msg, args);
va_end(args);
}
__declspec(weak) void OSVReport(const char* msg, va_list list) { vprintf(msg, list); }
__declspec(weak) void OSPanic(const char* file, int line, const char* msg, ...) {
va_list marker;
u32 i;
u32* p;
OSDisableInterrupts();
va_start(marker, msg);
vprintf(msg, marker);
va_end(marker);
OSReport(" in \"%s\" on line %d.\n", file, line);
OSReport("\nAddress: Back Chain LR Save\n");
for (i = 0, p = (u32*)OSGetStackPointer(); p && (u32)p != 0xffffffff && i++ < 16; p = (u32*)*p) {
OSReport("0x%08x: 0x%08x 0x%08x\n", p, p[0], p[1]);
}
PPCHalt();
}
#if NONMATCHING
OSErrorHandler OSSetErrorHandler(OSError error, OSErrorHandler handler) {
OSErrorHandler oldHandler;
BOOL enabled;
enabled = OSDisableInterrupts();
oldHandler = __OSErrorTable[error];
__OSErrorTable[error] = handler;
if (error == OS_ERROR_FPE) {
u32 msr;
u32 fpscr;
OSThread* thread;
msr = PPCMfmsr();
PPCMtmsr(msr | MSR_FP);
fpscr = PPCMffpscr();
if (handler) {
for (thread = __OSActiveThreadQueue.head; thread; thread = thread->linkActive.next) {
thread->context.srr1 |= MSR_FE0 | MSR_FE1;
if ((thread->context.state & OS_CONTEXT_STATE_FPSAVED) == 0) {
int i;
thread->context.state |= OS_CONTEXT_STATE_FPSAVED;
for (i = 0; i < 32; ++i) {
*(u64*)&thread->context.fpr[i] = (u64)0xffffffffffffffffLL;
*(u64*)&thread->context.psf[i] = (u64)0xffffffffffffffffLL;
}
thread->context.fpscr = FPSCR_NI;
}
thread->context.fpscr |= __OSFpscrEnableBits & FPSCR_ENABLE;
thread->context.fpscr &=
~(FPSCR_VXVC | FPSCR_VXIMZ | FPSCR_VXZDZ | FPSCR_VXIDI | FPSCR_VXISI | FPSCR_VXSNAN |
FPSCR_VXSOFT | FPSCR_VXSQRT | FPSCR_VXCVI | FPSCR_XX | FPSCR_ZX | FPSCR_UX |
FPSCR_OX | FPSCR_FX | FPSCR_FI);
}
fpscr |= __OSFpscrEnableBits & FPSCR_ENABLE;
msr |= MSR_FE0 | MSR_FE1;
} else {
for (thread = __OSActiveThreadQueue.head; thread; thread = thread->linkActive.next) {
thread->context.srr1 &= ~(MSR_FE0 | MSR_FE1);
thread->context.fpscr &= ~FPSCR_ENABLE;
thread->context.fpscr &=
~(FPSCR_VXVC | FPSCR_VXIMZ | FPSCR_VXZDZ | FPSCR_VXIDI | FPSCR_VXISI | FPSCR_VXSNAN |
FPSCR_VXSOFT | FPSCR_VXSQRT | FPSCR_VXCVI | FPSCR_XX | FPSCR_ZX | FPSCR_UX |
FPSCR_OX | FPSCR_FX | FPSCR_FI);
}
fpscr &= ~FPSCR_ENABLE;
msr &= ~(MSR_FE0 | MSR_FE1);
}
fpscr &= ~(FPSCR_VXVC | FPSCR_VXIMZ | FPSCR_VXZDZ | FPSCR_VXIDI | FPSCR_VXISI | FPSCR_VXSNAN |
FPSCR_VXSOFT | FPSCR_VXSQRT | FPSCR_VXCVI | FPSCR_XX | FPSCR_ZX | FPSCR_UX |
FPSCR_OX | FPSCR_FX | FPSCR_FI);
PPCMtfpscr(fpscr);
PPCMtmsr(msr);
}
OSRestoreInterrupts(enabled);
return oldHandler;
}
#else
/* clang-format off */
#pragma push
#pragma optimization_level 0
#pragma optimizewithasm off
asm OSErrorHandler OSSetErrorHandler(OSError error, OSErrorHandler handler) {
nofralloc
mflr r0
stw r0, 4(r1)
stwu r1, -0x30(r1)
stw r31, 0x2c(r1)
stw r30, 0x28(r1)
stw r29, 0x24(r1)
addi r29, r3, 0
stw r28, 0x20(r1)
addi r28, r4, 0
bl OSDisableInterrupts
lis r4, __OSErrorTable@ha
rlwinm r5, r29, 2, 0xe, 0x1d
addi r0, r4, __OSErrorTable@l
clrlwi r6, r29, 0x10
add r4, r0, r5
lwz r30, 0(r4)
cmplwi r6, 0x10
mr r29, r3
stw r28, 0(r4)
bne lbl_8037FD44
bl PPCMfmsr
addi r31, r3, 0
ori r3, r31, 0x2000
bl PPCMtmsr
bl PPCMffpscr
cmplwi r28, 0
beq lbl_8037FCD8
lis r5, __OSActiveThreadQueue@ha
lis r4, 0x6005F8FF@ha
lwz r6, __OSActiveThreadQueue@l(r5)
addi r4, r4, 0x6005F8FF@l
b lbl_8037FCBC
lbl_8037FBD8:
lwz r0, 0x19c(r6)
ori r0, r0, 0x900
stw r0, 0x19c(r6)
lhz r5, 0x1a2(r6)
clrlwi. r0, r5, 0x1f
bne lbl_8037FC98
ori r5, r5, 1
li r0, 4
sth r5, 0x1a2(r6)
mtctr r0
addi r5, r6, 0
lbl_8037FC04:
li r0, -1
stw r0, 0x94(r5)
stw r0, 0x90(r5)
stw r0, 0x1cc(r5)
stw r0, 0x1c8(r5)
stw r0, 0x9c(r5)
stw r0, 0x98(r5)
stw r0, 0x1d4(r5)
stw r0, 0x1d0(r5)
stw r0, 0xa4(r5)
stw r0, 0xa0(r5)
stw r0, 0x1dc(r5)
stw r0, 0x1d8(r5)
stw r0, 0xac(r5)
stw r0, 0xa8(r5)
stw r0, 0x1e4(r5)
stw r0, 0x1e0(r5)
stw r0, 0xb4(r5)
stw r0, 0xb0(r5)
stw r0, 0x1ec(r5)
stw r0, 0x1e8(r5)
stw r0, 0xbc(r5)
stw r0, 0xb8(r5)
stw r0, 0x1f4(r5)
stw r0, 0x1f0(r5)
stw r0, 0xc4(r5)
stw r0, 0xc0(r5)
stw r0, 0x1fc(r5)
stw r0, 0x1f8(r5)
stw r0, 0xcc(r5)
stw r0, 0xc8(r5)
stw r0, 0x204(r5)
stw r0, 0x200(r5)
addi r5, r5, 0x40
bdnz lbl_8037FC04
li r0, 4
stw r0, 0x194(r6)
lbl_8037FC98:
lwz r0, __OSFpscrEnableBits
lwz r5, 0x194(r6)
rlwinm r0, r0, 0, 0x18, 0x1c
or r0, r5, r0
stw r0, 0x194(r6)
lwz r0, 0x194(r6)
and r0, r0, r4
stw r0, 0x194(r6)
lwz r6, 0x2fc(r6)
lbl_8037FCBC:
cmplwi r6, 0
bne lbl_8037FBD8
lwz r0, __OSFpscrEnableBits
ori r31, r31, 0x900
rlwinm r0, r0, 0, 0x18, 0x1c
or r3, r3, r0
b lbl_8037FD2C
lbl_8037FCD8:
lis r5, __OSActiveThreadQueue@ha
lis r4, 0x6005F8FF@ha
lwz r6, __OSActiveThreadQueue@l(r5)
addi r4, r4, 0x6005F8FF@l
li r5, -2305
b lbl_8037FD18
lbl_8037FCF0:
lwz r0, 0x19c(r6)
and r0, r0, r5
stw r0, 0x19c(r6)
lwz r0, 0x194(r6)
rlwinm r0, r0, 0, 0x1d, 0x17
stw r0, 0x194(r6)
lwz r0, 0x194(r6)
and r0, r0, r4
stw r0, 0x194(r6)
lwz r6, 0x2fc(r6)
lbl_8037FD18:
cmplwi r6, 0
bne lbl_8037FCF0
li r0, -2305
rlwinm r3, r3, 0, 0x1d, 0x17
and r31, r31, r0
lbl_8037FD2C:
lis r4, 0x6005F8FF@ha
addi r0, r4, 0x6005F8FF@l
and r3, r3, r0
bl PPCMtfpscr
mr r3, r31
bl PPCMtmsr
lbl_8037FD44:
mr r3, r29
bl OSRestoreInterrupts
mr r3, r30
lwz r0, 0x34(r1)
lwz r31, 0x2c(r1)
lwz r30, 0x28(r1)
lwz r29, 0x24(r1)
lwz r28, 0x20(r1)
addi r1, r1, 0x30
mtlr r0
blr
}
#pragma pop
/* clang-format on */
#endif
void __OSUnhandledException(__OSException exception, OSContext* context, u32 dsisr, u32 dar) {
OSTime now;
now = OSGetTime();
if (!(context->srr1 & MSR_RI)) {
OSReport("Non-recoverable Exception %d", exception);
} else {
if (exception == __OS_EXCEPTION_PROGRAM && (context->srr1 & (0x80000000 >> 11)) &&
__OSErrorTable[OS_ERROR_FPE] != 0) {
u32 fpscr;
u32 msr;
exception = OS_ERROR_FPE;
msr = PPCMfmsr();
PPCMtmsr(msr | MSR_FP);
if (__OSFPUContext) {
OSSaveFPUContext((OSContext*)__OSFPUContext);
}
fpscr = PPCMffpscr();
fpscr &= ~(FPSCR_VXVC | FPSCR_VXIMZ | FPSCR_VXZDZ | FPSCR_VXIDI | FPSCR_VXISI | FPSCR_VXSNAN |
FPSCR_VXSOFT | FPSCR_VXSQRT | FPSCR_VXCVI | FPSCR_XX | FPSCR_ZX | FPSCR_UX |
FPSCR_OX | FPSCR_FX | FPSCR_FI);
PPCMtfpscr(fpscr);
PPCMtmsr(msr);
if (__OSFPUContext == context) {
OSDisableScheduler();
__OSErrorTable[exception](exception, context, dsisr, dar);
context->srr1 &= ~MSR_FP;
__OSFPUContext = NULL;
context->fpscr &= ~(FPSCR_VXVC | FPSCR_VXIMZ | FPSCR_VXZDZ | FPSCR_VXIDI | FPSCR_VXISI |
FPSCR_VXSNAN | FPSCR_VXSOFT | FPSCR_VXSQRT | FPSCR_VXCVI | FPSCR_XX |
FPSCR_ZX | FPSCR_UX | FPSCR_OX | FPSCR_FX | FPSCR_FI);
OSEnableScheduler();
__OSReschedule();
} else {
context->srr1 &= ~MSR_FP;
__OSFPUContext = NULL;
}
OSLoadContext(context);
}
if (__OSErrorTable[exception]) {
OSDisableScheduler();
__OSErrorTable[exception](exception, context, dsisr, dar);
OSEnableScheduler();
__OSReschedule();
OSLoadContext(context);
}
if (exception == OS_ERROR_DECREMENTER) {
OSLoadContext(context);
}
OSReport("Unhandled Exception %d", exception);
}
OSReport("\n");
OSDumpContext(context);
OSReport("\nDSISR = 0x%08x DAR = 0x%08x\n", dsisr, dar);
OSReport("TB = 0x%016llx\n", now);
switch (exception) {
case __OS_EXCEPTION_DSI:
OSReport("\nInstruction at 0x%x (read from SRR0) attempted to access "
"invalid address 0x%x (read from DAR)\n",
context->srr0, dar);
break;
case __OS_EXCEPTION_ISI:
OSReport("\nAttempted to fetch instruction from invalid address 0x%x "
"(read from SRR0)\n",
context->srr0);
break;
case __OS_EXCEPTION_ALIGNMENT:
OSReport("\nInstruction at 0x%x (read from SRR0) attempted to access "
"unaligned address 0x%x (read from DAR)\n",
context->srr0, dar);
break;
case __OS_EXCEPTION_PROGRAM:
OSReport("\nProgram exception : Possible illegal instruction/operation "
"at or around 0x%x (read from SRR0)\n",
context->srr0, dar);
break;
case OS_ERROR_PROTECTION:
OSReport("\n");
OSReport("AI DMA Address = 0x%04x%04x\n", __DSPRegs[0x00000018], __DSPRegs[0x00000018 + 1]);
OSReport("ARAM DMA Address = 0x%04x%04x\n", __DSPRegs[0x00000010], __DSPRegs[0x00000010 + 1]);
OSReport("DI DMA Address = 0x%08x\n", __DIRegs[0x00000005]);
break;
}
OSReport("\nLast interrupt (%d): SRR0 = 0x%08x TB = 0x%016llx\n", __OSLastInterrupt,
__OSLastInterruptSrr0, __OSLastInterruptTime);
PPCHalt();
}