Matched most of the os folder (#6)

Makefile

@@ -82,6 +82,12 @@ ifneq ($(NON_MATCHING),1)
 	@touch $@
 endif
 
+$(BUILD_DIR)/src/os/assert.marker: OPTFLAGS := -O0
+$(BUILD_DIR)/src/os/ackramromread.marker: OPTFLAGS := -O0
+$(BUILD_DIR)/src/os/ackramromwrite.marker: OPTFLAGS := -O0
+$(BUILD_DIR)/src/os/exit.marker: OPTFLAGS := -O0
+$(BUILD_DIR)/src/os/seterrorhandler.marker: OPTFLAGS := -O0
+
 $(BUILD_DIR)/%.marker: %.c
 	cd $(<D) && $(WORKING_DIR)/$(CC) $(CFLAGS) $(OPTFLAGS) -I $(WORKING_DIR)/include $(<F) -o $(WORKING_DIR)/$(@:.marker=.o)
 ifneq ($(NON_MATCHING),1)

include/PR/os_internal.h

@@ -0,0 +1,106 @@
+/**************************************************************************
+ *
+ *  $Revision: 1.18 $
+ *  $Date: 1997/02/11 08:26:14 $
+ *  $Source: /hosts/liberte/disk6/Master/cvsmdev2/PR/include/os_internal.h,v $
+ *
+ **************************************************************************/
+
+#ifndef _OS_INTERNAL_H_
+#define	_OS_INTERNAL_H_
+
+#ifdef _LANGUAGE_C_PLUS_PLUS
+extern "C" {
+#endif
+
+#include "PR/os.h"
+
+#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
+
+#include "os_internal_reg.h"
+#include "os_internal_exception.h"
+
+/* Routines to get/fetch coprocessor 0 registers */
+
+extern u32		__osGetCause(void);
+extern void		__osSetCause(u32);
+extern u32		__osGetCompare(void);
+extern void		__osSetCompare(u32);
+extern u32		__osGetConfig(void);
+extern void		__osSetConfig(u32);
+extern void		__osSetCount(u32);
+extern u32		__osGetSR(void);
+extern void		__osSetSR(u32);
+extern u32		__osDisableInt(void);
+extern void		__osRestoreInt(u32);
+
+/* Routines to get/set floating-point control and status register */
+extern u32              __osSetFpcCsr(u32);
+extern u32              __osGetFpcCsr(void);
+
+/* Routine for global interrupt mask */
+extern void		__osSetGlobalIntMask(OSHWIntr);
+extern void		__osResetGlobalIntMask(OSHWIntr);
+
+/* Routine for global interrupt mask */
+extern s32		__osLeoInterrupt(void);
+
+/* Routines for fetch TLB info */
+
+extern u32		__osGetTLBASID(void);
+extern u32		__osGetTLBPageMask(s32);
+extern u32		__osGetTLBHi(s32);
+extern u32		__osGetTLBLo0(s32);
+extern u32		__osGetTLBLo1(s32);
+
+/* Serial interface (Si) */
+
+extern u32 		__osSiGetStatus(void);
+extern s32		__osSiRawWriteIo(u32, u32);
+extern s32		__osSiRawReadIo(u32, u32 *);
+extern s32		__osSiRawStartDma(s32, void *);
+
+/* Signal processor interface (Sp) */
+
+extern u32 		__osSpGetStatus(void);
+extern void		__osSpSetStatus(u32);
+extern s32		__osSpSetPc(u32);
+extern s32		__osSpRawWriteIo(u32, u32);
+extern s32		__osSpRawReadIo(u32, u32 *);
+extern s32		__osSpRawStartDma(s32, u32, void *, u32);
+
+/* Error handling */
+
+extern void		__osError(s16, s16, ...);
+extern OSThread *	__osGetCurrFaultedThread(void);
+extern OSThread *	__osGetNextFaultedThread(OSThread *);
+
+/* Development board functions */
+
+extern void		__osGIOInit(s32);
+extern void		__osGIOInterrupt(s32);
+extern void		__osGIORawInterrupt(s32);
+
+/* For debugger use */
+
+extern OSThread *	__osGetActiveQueue(void);
+
+/* Debug port */
+extern void		__osSyncPutChars(int, int, const char *);
+extern int		__osSyncGetChars(char *);
+extern void		__osAsyncPutChars(int, int, const char *);
+extern int		__osAsyncGetChars(char *);
+extern int		__osAtomicInc(unsigned int *p);
+extern int		__osAtomicDec(unsigned int *p);
+
+/* routine for rdb port */
+extern u32             __osRdbSend(u8 *buf, u32 size, u32 type);
+
+
+#endif /* _LANGUAGE_C */
+
+#ifdef _LANGUAGE_C_PLUS_PLUS
+}
+#endif
+
+#endif /* !_OS_INTERNAL_H */

include/PR/os_internal_exception.h

@@ -0,0 +1,36 @@
+/*---------------------------------------------------------------------*
+      
+        $RCSfile: os_internal_exception.h,v $
+        $Revision: 1.1 $
+        $Date: 1998/10/09 08:01:10 $
+ *---------------------------------------------------------------------*/
+
+#ifndef _OS_INTERNAL_EXCEPTION_H_
+#define	_OS_INTERNAL_EXCEPTION_H_
+
+#ifdef _LANGUAGE_C_PLUS_PLUS
+extern "C" {
+#endif
+
+#include "PR/os.h"
+
+#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
+
+/* Routine for HW interrupt "handler" */
+extern void 		__osSetHWIntrRoutine(OSHWIntr interrupt,
+					     s32 (*handler)(void), void *stackEnd);
+extern void 		__osGetHWIntrRoutine(OSHWIntr interrupt,
+					     s32 (**handler)(void), void **stackEnd);
+
+/* Routine for global interrupt mask */
+extern void		__osSetGlobalIntMask(OSHWIntr);
+extern void		__osResetGlobalIntMask(OSHWIntr);
+
+
+#endif /* _LANGUAGE_C */
+
+#ifdef _LANGUAGE_C_PLUS_PLUS
+}
+#endif
+
+#endif /* !_OS_INTERNAL_EXCEPTION_H */

include/PR/os_internal_reg.h

@@ -0,0 +1,46 @@
+/*---------------------------------------------------------------------*
+        
+        $RCSfile: os_internal_reg.h,v $
+        $Revision: 1.2 $
+        $Date: 1999/03/10 12:19:14 $
+ *---------------------------------------------------------------------*/
+
+#ifndef _OS_INTERNAL_REG_H_
+#define	_OS_INTERNAL_REG_H_
+
+#ifdef _LANGUAGE_C_PLUS_PLUS
+extern "C" {
+#endif
+
+#include "PR/os.h"
+
+#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
+
+/* Routines to get/fetch coprocessor 0 registers */
+
+extern u32		__osGetCause(void);
+extern void		__osSetCause(u32);
+extern u32		__osGetCompare(void);
+extern void		__osSetCompare(u32);
+extern u32		__osGetConfig(void);
+extern void		__osSetConfig(u32);
+extern void		__osSetCount(u32);
+extern u32		__osGetSR(void);
+extern void		__osSetSR(u32);
+extern u32		__osDisableInt(void);
+extern void		__osRestoreInt(u32);
+extern u32		__osGetWatchLo(void);
+extern void		__osSetWatchLo(u32);
+
+/* Routines to get/set floating-point control and status register */
+extern u32              __osSetFpcCsr(u32);
+extern u32              __osGetFpcCsr(void);
+
+
+#endif /* _LANGUAGE_C */
+
+#ifdef _LANGUAGE_C_PLUS_PLUS
+}
+#endif
+
+#endif /* !_OS_INTERNAL_REG_H */

include/PR/rcp.h

@@ -66,6 +66,10 @@
 #define RDRAM_0_DEVICE_ID   0
 #define RDRAM_1_DEVICE_ID   1
 
+#define RDRAM_RESET_MODE    0
+#define RDRAM_ACTIVE_MODE   1
+#define RDRAM_STANDBY_MODE  2
+
 #define RDRAM_LENGTH            (2 * 512 * 2048)
 #define RDRAM_0_BASE_ADDRESS    (RDRAM_0_DEVICE_ID * RDRAM_LENGTH)
 #define RDRAM_1_BASE_ADDRESS    (RDRAM_1_DEVICE_ID * RDRAM_LENGTH)
@@ -74,9 +78,46 @@
 #define RDRAM_1_CONFIG      0x00400
 #define RDRAM_GLOBAL_CONFIG 0x80000
 
-#define RDRAM_RESET_MODE    0
-#define RDRAM_ACTIVE_MODE   1
-#define RDRAM_STANDBY_MODE  2
+/**
+ * PIF Physical memory map (total size = 2 KB)
+ *
+ *            Size      Description     Mode
+ *  1FC007FF    +-------+-----------------+-----+
+ *              |  64 B | JoyChannel RAM  | R/W |
+ *  1FC007C0    +-------+-----------------+-----+
+ *              |1984 B |    Boot ROM     |  *  |  * = Reserved
+ *  1FC00000    +-------+-----------------+-----+
+ */
+#define PIF_ROM_START   0x1FC00000
+#define PIF_ROM_END     0x1FC007BF
+#define PIF_RAM_START   0x1FC007C0
+#define PIF_RAM_END     0x1FC007FF
+
+
+/**
+ * Controller channel 
+ * Each game controller channel has 4 error bits that are defined in bit 6-7 of
+ * the Rx and Tx data size area bytes. Programmers need to clear these bits
+ * when setting the Tx/Rx size area values for a channel
+ */
+#define CHNL_ERR_NORESP		0x80	/* Bit 7 (Rx): No response error */
+#define CHNL_ERR_OVERRUN	0x40	/* Bit 6 (Rx): Overrun error */
+#define CHNL_ERR_FRAME		0x80	/* Bit 7 (Tx): Frame error */
+#define CHNL_ERR_COLLISION	0x40	/* Bit 6 (Tx): Collision error */
+
+#define CHNL_ERR_MASK		0xC0	/* Bit 6-7: channel errors */
+
+
+/**
+ * External device info
+ */
+#define DEVICE_TYPE_CART	0	/* ROM cartridge */
+#define DEVICE_TYPE_BULK	1	/* ROM bulk */
+#define DEVICE_TYPE_64DD	2	/* 64 Disk Drive */
+#define DEVICE_TYPE_SRAM	3	/* SRAM */
+/* 4-6 are reserved */
+#define DEVICE_TYPE_INIT	7	/* initial value */
+/* 8-14 are reserved */
 
 /**
  * Signal Processor (SP) Memory
@@ -87,7 +128,7 @@
 #define SP_IMEM_END     0x04001FFF
 
 /**
- * Signal Processor (SP) Registers
+ * Signal Processor (SP) CP0 Registers
  */
 
 #define SP_BASE_REG         0x04040000
@@ -119,9 +160,6 @@
 //! SP PC (R/W): [11:0] program counter
 #define SP_PC_REG       0x04080000
 
-//! SP IMEM BIST REG (R/W): [6:0] BIST status bits
-#define SP_IBIST_REG        0x04080004
-
 /**
  * SP_MEM_ADDR_REG: bit 12
  */
@@ -195,6 +233,11 @@
 #define SP_SET_CPUSIGNAL        SP_SET_SIG4
 #define SP_STATUS_CPUSIGNAL     SP_STATUS_SIG4
 
+/*
+ * SP IMEM BIST REG (R/W): [6:0] BIST status bits; see below for detail
+ */
+#define SP_IBIST_REG        0x04080004
+
 /*
  * SP_IBIST_REG: write bits
  */
@@ -749,20 +792,23 @@
 #define SI_STATUS_INTERRUPT (1 << 12) // Interrupt is set
 
 /**
- * PIF Physical memory map (total size = 2 KB)
- *
- *            Size      Description     Mode
- *  1FC007FF    +-------+-----------------+-----+
- *          |  64 B | JoyChannel RAM  | R/W |
- *  1FC007C0    +-------+-----------------+-----+
- *          |1984 B |    Boot ROM     |  *  |  * = Reserved
- *  1FC00000    +-------+-----------------+-----+
+ * Development Board GIO Control Registers 
  */
-#define PIF_ROM_START   0x1FC00000
-#define PIF_ROM_END     0x1FC007BF
-#define PIF_RAM_START   0x1FC007C0
-#define PIF_RAM_END     0x1FC007FF
 
+#define GIO_BASE_REG		0x18000000
+
+/* Game to Host Interrupt */
+#define GIO_GIO_INTR_REG	(GIO_BASE_REG+0x000)
+
+/* Game to Host SYNC */
+#define GIO_GIO_SYNC_REG	(GIO_BASE_REG+0x400)
+
+/* Host to Game Interrupt */
+#define GIO_CART_INTR_REG	(GIO_BASE_REG+0x800)
+
+/**
+ * Common macros
+ */
 #if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
 #define	IO_READ(addr)       (*(vu32*)PHYS_TO_K1(addr))
 #define	IO_WRITE(addr,data) (*(vu32*)PHYS_TO_K1(addr)=(u32)(data))

include/PR/rdb.h

@@ -0,0 +1,93 @@
+
+/**************************************************************************
+ *
+ *  $Revision: 1.6 $
+ *  $Date: 1997/02/11 08:29:31 $
+ *  $Source: /exdisk2/cvs/N64OS/Master/cvsmdev2/PR/include/rdb.h,v $
+ *
+ **************************************************************************/
+
+#ifndef _RDB_H
+#define _RDB_H
+
+/* U64 side address */
+#define	RDB_BASE_REG		0xc0000000
+#define RDB_WRITE_INTR_REG	(RDB_BASE_REG + 0x8)
+#define RDB_READ_INTR_REG	(RDB_BASE_REG + 0xc)
+#define RDB_BASE_VIRTUAL_ADDR	0x80000000
+
+/* packet type  Have six bits, so can have up to 63 types */
+#define RDB_TYPE_INVALID                0
+#define RDB_TYPE_GtoH_PRINT             1
+#define RDB_TYPE_GtoH_FAULT             2
+#define RDB_TYPE_GtoH_LOG_CT		3
+#define RDB_TYPE_GtoH_LOG               4
+#define RDB_TYPE_GtoH_READY_FOR_DATA    5
+#define RDB_TYPE_GtoH_DATA_CT		6
+#define RDB_TYPE_GtoH_DATA              7
+#define RDB_TYPE_GtoH_DEBUG             8
+#define RDB_TYPE_GtoH_RAMROM		9
+#define RDB_TYPE_GtoH_DEBUG_DONE        10
+#define RDB_TYPE_GtoH_DEBUG_READY       11
+#define RDB_TYPE_GtoH_KDEBUG            12
+#define RDB_TYPE_GtoH_PROF_DATA         22
+
+
+#define RDB_TYPE_HtoG_LOG_DONE		13
+#define RDB_TYPE_HtoG_DEBUG            	14
+#define RDB_TYPE_HtoG_DEBUG_CT          15
+#define RDB_TYPE_HtoG_DATA              16
+#define RDB_TYPE_HtoG_DATA_DONE		17 
+#define RDB_TYPE_HtoG_REQ_RAMROM        18
+#define RDB_TYPE_HtoG_FREE_RAMROM	19
+#define RDB_TYPE_HtoG_KDEBUG            20
+#define RDB_TYPE_HtoG_PROF_SIGNAL       21
+
+
+#define RDB_PROF_ACK_SIG               1
+#define RDB_PROF_FLUSH_SIG             2
+#define PROF_BLOCK_SIZE			2048
+
+#define RDB_LOG_MAX_BLOCK_SIZE         0x8000
+#define RDB_DATA_MAX_BLOCK_SIZE        0x8000
+
+
+/* GIO side address */
+#define GIO_RDB_BASE_REG	0xbf480000
+#define	GIO_RDB_WRITE_INTR_REG	(GIO_RDB_BASE_REG + 0x8)
+#define GIO_RDB_READ_INTR_REG	(GIO_RDB_BASE_REG + 0xc)
+
+/* minor device number */
+#define GIO_RDB_PRINT_MINOR		1
+#define GIO_RDB_DEBUG_MINOR		2
+
+/* interrupt bit */
+#define GIO_RDB_WRITE_INTR_BIT	0x80000000
+#define GIO_RDB_READ_INTR_BIT	0x40000000
+
+/* debug command */
+#define DEBUG_COMMAND_NULL	0
+#define DEBUG_COMMAND_MEMORY	1
+#define DEBUG_COMMAND_REGISTER	2
+#define DEBUG_COMMAND_INVALID	255
+
+/* debug state */
+#define DEBUG_STATE_NULL	0
+#define DEBUG_STATE_RECEIVE	1
+#define DEBUG_STATE_INVALID	255
+
+#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
+
+/* Structure for debug port */
+typedef struct {
+	unsigned type : 6;	/* 0: invalid, 1: print, 2: debug */
+	unsigned length : 2;	/* 1, 2, or 3 */
+	char buf[3];		/* character buffer */
+} rdbPacket;
+
+extern unsigned int	__osRdbWriteOK;
+extern unsigned int	__osRdbSendMessage;
+
+#endif /* _LANGUAGE_C */
+
+#endif /* !_RDB_H */

include/PR/ultraerror.h

@@ -0,0 +1,145 @@
+/**************************************************************************
+ *
+ *  $Revision: 1.23 $
+ *  $Date: 1997/02/11 08:38:08 $
+ *  $Source: /hosts/liberte/disk6/Master/cvsmdev2/PR/include/ultraerror.h,v $
+ *
+ **************************************************************************/
+
+#ifndef __ULTRAERROR_H__
+#define __ULTRAERROR_H__
+
+#ifdef _LANGUAGE_C_PLUS_PLUS
+extern "C" {
+#endif
+
+#include "PR/ultratypes.h"
+
+#define	OS_ERROR_FMT	"/usr/lib/PR/error.fmt"
+#define OS_ERROR_MAGIC	0x6b617479
+
+/* OS error codes */
+
+#define	ERR_OSCREATETHREAD_SP		1
+#define	ERR_OSCREATETHREAD_PRI		2
+#define	ERR_OSSTARTTHREAD		3
+#define	ERR_OSSETTHREADPRI		4
+#define	ERR_OSCREATEMESGQUEUE		5
+#define	ERR_OSSENDMESG			6
+#define	ERR_OSJAMMESG			7
+#define	ERR_OSRECVMESG			8
+#define	ERR_OSSETEVENTMESG		9
+#define	ERR_OSMAPTLB_INDEX		10
+#define	ERR_OSMAPTLB_ASID		11
+#define	ERR_OSUNMAPTLB			12
+#define	ERR_OSSETTLBASID		13
+#define	ERR_OSAISETFREQUENCY		14
+#define	ERR_OSAISETNEXTBUFFER_ADDR	15
+#define	ERR_OSAISETNEXTBUFFER_SIZE	16
+#define	ERR_OSDPSETNEXTBUFFER_ADDR	17
+#define	ERR_OSDPSETNEXTBUFFER_SIZE	18
+#define	ERR_OSPIRAWREADIO		19
+#define	ERR_OSPIRAWWRITEIO		20
+#define	ERR_OSPIRAWSTARTDMA_DIR		21
+#define	ERR_OSPIRAWSTARTDMA_DEVADDR	22
+#define	ERR_OSPIRAWSTARTDMA_ADDR	23
+#define	ERR_OSPIRAWSTARTDMA_SIZE	24
+#define	ERR_OSPIRAWSTARTDMA_RANGE	25
+#define	ERR_OSPIREADIO			26
+#define	ERR_OSPIWRITEIO			27
+#define	ERR_OSPISTARTDMA_PIMGR		28
+#define	ERR_OSPISTARTDMA_PRI		29
+#define	ERR_OSPISTARTDMA_DIR		30
+#define	ERR_OSPISTARTDMA_DEVADDR	31
+#define	ERR_OSPISTARTDMA_ADDR		32
+#define	ERR_OSPISTARTDMA_SIZE		33
+#define	ERR_OSPISTARTDMA_RANGE		34
+#define	ERR_OSCREATEPIMANAGER		35
+#define	ERR_OSVIGETCURRENTMODE		36
+#define	ERR_OSVIGETCURRENTFRAMEBUFFER	37
+#define	ERR_OSVIGETNEXTFRAMEBUFFER	38
+#define	ERR_OSVISETXSCALE_VALUE		39
+#define	ERR_OSVISETXSCALE_VIMGR		40
+#define	ERR_OSVISETYSCALE_VALUE		41
+#define	ERR_OSVISETYSCALE_VIMGR		42
+#define	ERR_OSVISETSPECIAL_VALUE	43
+#define	ERR_OSVISETSPECIAL_VIMGR	44
+#define	ERR_OSVISETMODE			45
+#define	ERR_OSVISETEVENT		46
+#define	ERR_OSVISWAPBUFFER_ADDR		47
+#define	ERR_OSVISWAPBUFFER_VIMGR	48
+#define	ERR_OSCREATEVIMANAGER		49
+#define	ERR_OSCREATEREGION_ALIGN	50
+#define	ERR_OSCREATEREGION_SIZE		51
+#define	ERR_OSMALLOC			52
+#define	ERR_OSFREE_REGION		53
+#define	ERR_OSFREE_ADDR			54
+#define	ERR_OSGETREGIONBUFCOUNT		55
+#define	ERR_OSGETREGIONBUFSIZE		56
+#define	ERR_OSSPTASKLOAD_DRAM		57
+#define	ERR_OSSPTASKLOAD_OUT		58
+#define	ERR_OSSPTASKLOAD_OUTSIZE	59
+#define	ERR_OSSPTASKLOAD_YIELD		60
+#define ERR_OSPROFILEINIT_STR		61
+#define ERR_OSPROFILEINIT_CNT		62
+#define ERR_OSPROFILEINIT_ALN		63
+#define ERR_OSPROFILEINIT_ORD		64
+#define	ERR_OSPROFILEINIT_SIZ		65
+#define ERR_OSPROFILESTART_TIME		66
+#define ERR_OSPROFILESTART_FLAG		67
+#define	ERR_OSPROFILESTOP_FLAG		68
+#define ERR_OSPROFILESTOP_TIMER		69
+#define	ERR_OSREADHOST_ADDR		70
+#define	ERR_OSREADHOST_SIZE		71
+#define	ERR_OSWRITEHOST_ADDR		72
+#define	ERR_OSWRITEHOST_SIZE		73
+#define	ERR_OSGETTIME			74
+#define	ERR_OSSETTIME			75
+#define	ERR_OSSETTIMER			76
+#define	ERR_OSSTOPTIMER			77
+#define	ERR_ALSEQP_NO_SOUND		100
+#define	ERR_ALSEQP_NO_VOICE		101
+#define	ERR_ALSEQP_MAP_VOICE		102
+#define	ERR_ALSEQP_OFF_VOICE		103
+#define	ERR_ALSEQP_POLY_VOICE		104
+#define	ERR_ALSNDP_NO_VOICE		105
+#define	ERR_ALSYN_NO_UPDATE		106
+#define	ERR_ALSNDPDEALLOCATE		107
+#define	ERR_ALSNDPDELETE		108
+#define	ERR_ALSNDPPLAY			109
+#define	ERR_ALSNDPSETSOUND		110
+#define ERR_ALSNDPSETPRIORITY           111
+#define ERR_ALSNDPSETPAR                112
+#define	ERR_ALBNKFNEW			113
+#define ERR_ALSEQNOTMIDI                114
+#define ERR_ALSEQNOTMIDI0               115
+#define ERR_ALSEQNUMTRACKS              116
+#define ERR_ALSEQTIME                   117
+#define ERR_ALSEQTRACKHDR               118
+#define ERR_ALSEQSYSEX                  119
+#define ERR_ALSEQMETA                   120
+#define ERR_ALSEQPINVALIDPROG           121
+#define ERR_ALSEQPUNKNOWNMIDI           122
+#define ERR_ALSEQPUNMAP                 123
+#define ERR_ALEVENTNOFREE               124
+#define ERR_ALHEAPNOFREE                125
+#define ERR_ALHEAPCORRUPT               126
+#define ERR_ALHEAPFIRSTBLOCK            127
+#define ERR_ALCSEQZEROSTATUS		128
+#define ERR_ALCSEQZEROVEL		129
+#define ERR_ALCSPVNOTFREE		130
+#define ERR_ALSEQOVERRUN		131
+#define ERR_OSAISETNEXTBUFFER_ENDADDR	132
+#define ERR_ALMODDELAYOVERFLOW          133
+
+#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
+typedef	void (*OSErrorHandler)(s16, s16, ...);
+
+OSErrorHandler	osSetErrorHandler(OSErrorHandler);
+#endif
+
+#ifdef _LANGUAGE_C_PLUS_PLUS
+}
+#endif
+
+#endif	/* __ULTRAERROR_H__ */

src/os/ackramromread.c

@@ -0,0 +1,8 @@
+#include "PR/os_internal.h"
+
+// TODO: this comes from a header
+#ident "$Revision: 1.4 $"
+
+void osAckRamromRead() {
+
+}

src/os/ackramromwrite.c

@@ -0,0 +1,8 @@
+#include "PR/os_internal.h"
+
+// TODO: this comes from a header
+#ident "$Revision: 1.4 $"
+
+void osAckRamromWrite() {
+
+}

src/os/assert.c

@@ -0,0 +1,5 @@
+#include "PR/os_internal.h"
+
+void __assert(const char *exp, const char *filename, int line) {
+    osSyncPrintf("\nASSERTION FAULT: %s, %d: \"%s\"\n", filename, line, exp);
+}

src/os/atomic.c

@@ -0,0 +1,15 @@
+#include "PR/os_internal.h"
+
+int __osAtomicDec(unsigned int *p) {
+    register u32 saveMask = __osDisableInt();
+    int mask;
+
+    if (*p) {
+        (*p)--;
+        mask = 1;
+    } else {
+        mask = 0;
+    }
+    __osRestoreInt(saveMask);
+    return mask;
+}

src/os/createmesgqueue.c

@@ -0,0 +1,11 @@
+#include "PR/os_internal.h"
+#include "osint.h"
+
+void osCreateMesgQueue(OSMesgQueue *mq, OSMesg *msg, s32 msgCount) {
+    mq->mtqueue = &__osThreadTail.next;
+    mq->fullqueue = &__osThreadTail.next;
+    mq->validCount = 0;
+    mq->first = 0;
+    mq->msgCount = msgCount;
+    mq->msg = msg;
+}

src/os/createthread.c

@@ -0,0 +1,27 @@
+#include "PR/os_internal.h"
+#include "PR/R4300.h"
+#include "osint.h"
+
+void osCreateThread(OSThread *t, OSId id, void (*entry)(void *), void *arg, void *sp, OSPri p) {
+    register u32 saveMask;
+    OSIntMask mask;
+    t->id = id;
+    t->priority = p;
+    t->next = NULL;
+    t->queue = NULL;
+    t->context.pc = (u32)entry;
+    t->context.a0 = (s64)(s32)arg; // Double cast gets rid of compiler warning
+    t->context.sp = (s64)(s32)sp - 16;
+    t->context.ra = (u64)__osCleanupThread;
+    mask = OS_IM_ALL;
+    t->context.sr = SR_IMASK | SR_EXL | SR_IE;
+    t->context.rcp = (mask & RCP_IMASK) >> RCP_IMASKSHIFT;
+    t->context.fpcsr = (u32)(FPCSR_FS | FPCSR_EV);
+    t->fp = 0;
+    t->state = OS_STATE_STOPPED;
+    t->flags = 0;
+    saveMask = __osDisableInt();
+    t->tlnext = __osActiveQueue;
+    __osActiveQueue = t;
+    __osRestoreInt(saveMask);
+}

src/os/destroythread.c

@@ -0,0 +1,37 @@
+#include "PR/os_internal.h"
+#include "osint.h"
+
+void osDestroyThread(OSThread *t) {
+    register u32 saveMask;
+    register OSThread *pred;
+    register OSThread *succ;
+
+    saveMask = __osDisableInt();
+
+    if (t == NULL) {
+        t = __osRunningThread;
+    } else if (t->state != OS_STATE_STOPPED) {
+        __osDequeueThread(t->queue, t);
+    }
+
+    if (__osActiveQueue == t) {
+        __osActiveQueue = __osActiveQueue->tlnext;
+    } else {
+        pred = __osActiveQueue;
+        while (pred->priority != -1) {
+            succ = pred->tlnext;
+            if (succ == t) {
+                pred->tlnext = t->tlnext;
+                break;
+            }
+            pred = succ;
+            succ = pred->tlnext;
+        }
+    }
+
+    if (t == __osRunningThread) {
+        __osDispatchThread();
+    }
+    
+    __osRestoreInt(saveMask);
+}

src/os/exit.c

@@ -0,0 +1,8 @@
+#include "PR/os_internal.h"
+
+void osExit() {
+    __osGIOInterrupt(16);
+
+    for (;;);
+}
+

src/os/getactivequeue.c

@@ -0,0 +1,6 @@
+#include "PR/os_internal.h"
+#include "osint.h"
+
+OSThread *__osGetActiveQueue(void) {
+    return __osActiveQueue;
+}

src/os/getcurrfaultthread.c

@@ -0,0 +1,6 @@
+#include "PR/os_internal.h"
+#include "osint.h"
+
+OSThread *__osGetCurrFaultedThread() {
+    return __osFaultedThread;
+}

src/os/getmemsize.c

@@ -0,0 +1,35 @@
+#include "PR/os_internal.h"
+#include "PR/rcp.h"
+#include "PR/R4300.h"
+
+#define STEP 0x100000
+#define SIZE_4MB 0x400000
+#define SIZE_8MB 0x800000
+
+u32 osGetMemSize(void) {
+    vu32* ptr;
+    u32 size = SIZE_4MB;
+    u32 data0;
+    u32 data1;
+
+    while (size < SIZE_8MB) {
+        ptr = (vu32*)(K1BASE + size);
+
+        data0 = *ptr;
+        data1 = ptr[STEP / 4 - 1];
+
+        *ptr ^= ~0;
+        ptr[STEP / 4 - 1] ^= ~0;
+
+        if ((*ptr != (data0 ^ ~0)) || (ptr[STEP / 4 - 1] != (data1 ^ ~0))) {
+            return size;
+        }
+
+        *ptr = data0;
+        ptr[STEP / 4 - 1] = data1;
+
+        size += STEP;
+    }
+
+    return size;
+}

src/os/getnextfaultthread.c

@@ -0,0 +1,28 @@
+#include "PR/os_internal.h"
+#include "osint.h"
+
+OSThread *__osGetNextFaultedThread(OSThread *lastFault) {
+    register int saveMask = __osDisableInt();
+    register OSThread *fault;
+
+    if (lastFault == NULL) {
+        fault = __osActiveQueue;
+    } else {
+        fault = lastFault;
+    }
+
+    while (fault->priority != -1) {
+        if ((fault->flags & OS_FLAG_FAULT) != 0 && fault != lastFault) {
+            break;
+        }
+        fault = fault->tlnext;
+    }
+
+    if (fault->priority == -1) {
+        fault = NULL;
+    }
+
+    __osRestoreInt(saveMask);
+    return fault;
+}
+