view src/gpf2/osl/os_mis_fl.c @ 686:59f07d67eb45

luna target split into luna1 and luna2 luna1 is FC Luna based on iWOW DSK v4.0 or v5.0 motherboard luna2 is FC Luna based on FC Caramel2 MB
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 12 Oct 2020 18:51:24 +0000
parents 9e55fe3a5ee4
children
line wrap: on
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/*
 * This C module is a reconstruction based on the disassembly of
 * os_mis.obj in frame_na7_db_fl.lib from the Leonardo package.
 */

/* set of included headers from COFF symtab, slightly reordered: */
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#if 0	/* from first attempt at gcc-built fw, currently unused */
#include "../../riviera/rv/general.h"
#include "../../riviera/rv/rv_general.h"
#include "../../riviera/rvf/rvf_api.h"
#include "../../services/ffs/ffs.h"
#endif
#include "nucleus.h"
#include "typedefs.h"
#include "os.h"
#include "gdi.h"
#include "os_types.h"
#include "os_glob.h"
#include "header.h"
#include "vsi.h"
#if 0	/* from first attempt at gcc-built fw, currently unused */
#include "drvconf.h"
#include "../tst_pei/tstdriver.h"
#endif
#include "dar_func.h"
#include "tools.h"

typedef unsigned char u_char;

char *NU_State[13] = {
	"NU_READY",
	"",
	"NU_SLEEP_SUSPEND",
	"",
	"",
	"NU_QUEUE_SUSPEND",
	"NU_SEMAPHORE_SUSPEND",
	"",
	"NU_PARTITION_SUSPEND",
	"NU_MEMORY_SUSPEND",
	"",
	"NU_FINISHED",
	"NU_TERMINATED",
};

char *msg_type[4] = {
	"",
	"PRIMITIVE",
	"SIGNAL",
	"TIMEOUT",
};

char *warning = "SYSTEM WARNING: ";

T_GPF_DAR_PROPERTIES *dar;
T_GPF_DAR_STRUCT os_dar;
NU_PROTECT os_mis_Protect;
u_char SystemErrorBuffer[256];
u_char DARErrorBuffer[256];

static u_char state;
static int fd;
static unsigned bytes_read;
static u_char *msg;
static unsigned count;
static unsigned data_len;
static unsigned dar_wrap_around;
static unsigned dar_buffer_count;
static unsigned dar_wrap_around_detected;

LONG
os_read_dar_ffs_data(USHORT entry, char *buffer, USHORT len)
{
	/*
	 * This function is only used to implement the READ_DAR_FILE
	 * system primitive; this frill feature is currently deemed
	 * not important enough to expend the effort to reconstruct
	 * this function from disassembly.
	 */
	return(OS_ERROR);
}

LONG
os_dar_set_filter(void)
{
	if (dar)
		dar->diagnose_swe_filter(dar->gpf_use_id, dar->warning);
	return(OS_OK);
}

LONG
os_dar_register(const void *dar_properties)
{
	if (dar_properties) {
		os_dar.properties = (T_GPF_DAR_PROPERTIES *) dar_properties;
		os_dar.magic_nr = DAR_INITIALIZED;
		dar = (T_GPF_DAR_PROPERTIES *) dar_properties;
	}
	return(OS_OK);
}

void
os_dar_init(void)
{
	if (os_dar.magic_nr != DAR_INITIALIZED)
		dar = 0;
}

void
os_SystemError(OS_HANDLE Caller, USHORT cause, char *buffer)
{
	/*
	 * The implementation of this function in the binary blob
	 * which we are reversing is very complex.  I am leaving it
	 * as an empty stub for now. - Space Falcon
	 */
}

GLOBAL LONG
os_ObjectInformation(OS_HANDLE Caller, USHORT Id, USHORT Handle, USHORT len,
			void *Buffer)
{
	switch (Id) {
	case OS_OBJTASK:
		return os_TaskInformation(Handle, Buffer);
	case OS_OBJQUEUE:
		return os_QueueInformation(Handle, Buffer);
	case OS_OBJPARTITIONGROUP:
		return os_PartitionInformation(Handle, Buffer);
	case OS_OBJMEMORYPOOL:
		return os_MemoryInformation(Handle, Buffer);
	case OS_OBJTIMER:
		return os_TimerInformation(Handle, Buffer);
	case OS_OBJSEMAPHORE:
		return os_SemaphoreInformation(Handle, Buffer);
	default:
		return(OS_ERROR);
	}
}

GLOBAL LONG
os_Initialize(void)
{
	if (os_SemInit() == OS_ERROR)
		return(OS_ERROR);
	if (os_ProInit() == OS_ERROR)
		return(OS_ERROR);
	if (os_ComInit() == OS_ERROR)
		return(OS_ERROR);
	if (os_MemInit() == OS_ERROR)
		return(OS_ERROR);
	if (os_TimInit() == OS_ERROR)
		return(OS_ERROR);
	if (os_isr_init() == OS_ERROR)
		return(OS_ERROR);
#if 0
	if (os_EvGrpInit() == OS_ERROR)
		return(OS_ERROR);
#endif
	/*
	 * The original code zeroes out the first 32-bit word of
	 * os_mis_Protect here.  We don't really need to do that,
	 * as it is a zeroed-on-boot bss var.
	 */
	os_dar_init();	/* inlined in the original */
	return(OS_OK);
}