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EMILE/second/bootinfo.c
Laurent Vivier 45c96c3f17 remove MMU.h
2004-03-04 22:42:22 +00:00

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/*
*
* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
*
* a lot of parts from penguin booter
* based on bootstrap.c for Atari Linux booter, Copyright 1993 by Arjan Knor
*
*/
#include <string.h>
#include "bank.h"
#include "memory.h"
#include "glue.h"
#include "console.h"
#include "lowmem.h"
#include "misc.h"
#include "bootinfo.h"
#include "arch.h"
extern unsigned char _ramdisk_start;
extern unsigned char _ramdisk_end;
static char* command_line = KERNEL_ARGS;
struct bootinfo boot_info = { 0 };
enum {
gestaltHardwareAttr= 'hdwr', /* hardware attributes */
gestaltHasVIA1 = 0, /* VIA1 exists */
gestaltHasVIA2 = 1, /* VIA2 exists */
gestaltHasRBV = 2,
gestaltHasASC = 3, /* Apple Sound Chip exists */
gestaltHasSCC = 4, /* SCC exists */
gestaltHasOSS = 5,
gestaltHasSCSIDMA = 6,
gestaltHasSCSI = 7, /* SCSI exists */
gestaltHasSWIMIOP = 8,
gestaltHasSCCIOP = 9,
gestaltHasFitch = 10,
gestaltHasIWM = 11,
gestaltHasPWM = 12,
gestaltHasRAMSndBuff = 13,
gestaltHasVideoDAConv = 14,
gestaltHasPGC = 15,
gestaltHasSoftPowerOff = 19, /* Capable of software power off */
gestaltHasSonic = 20,
gestaltHasSCSI961 = 21, /* 53C96 SCSI ctrl on internal bus */
gestaltHasSCSI962 = 22, /* 53C96 SCSI ctrl on external bus */
gestaltHasDAFBVideo = 23,
gestaltHasUniversalROM = 24, /* Do we have a Universal ROM? */
gestaltHasEnhancedLtalk = 30 /* Do we have Enhanced LocalTalk? */
};
#if defined(EXTENDED_HW_MAP)
static int
MacHasHardware(unsigned long gestaltBit)
{
long r;
Gestalt(gestaltHardwareAttr, &r);
return ( (r & (1 << gestaltBit)) != 0);
}
#endif /* EXTENDED_HW_MAP */
static void extractBanks(struct bootinfo *bi, memory_map_t *map)
{
int i,j;
for (i = 0; i < map->bank_number; i++)
{
bi->memory[i].addr = map->bank[i].physAddr;
bi->memory[i].size = map->bank[i].size;
}
bi->num_memory = i;
for (i = 0; i < bi->num_memory; i++)
{
for (j = 0; j < bi->num_memory; j++)
{
if (bi->memory[i].addr + bi->memory[i].size ==
bi->memory[j].addr)
{
bi->memory[i].size += bi->memory[j].size;
bi->num_memory--;
bi->memory[j].addr =
bi->memory[bi->num_memory].addr;
bi->memory[j].size =
bi->memory[bi->num_memory].size;
}
}
}
/* sort : bigger first */
for (i = 0; i < bi->num_memory; i++)
{
for (j = i; j < bi->num_memory; j++)
{
if (bi->memory[i].size < bi->memory[j].size)
{
unsigned a, s;
a = bi->memory[i].addr;
s = bi->memory[i].size;
bi->memory[i].addr = bi->memory[j].addr;
bi->memory[i].size = bi->memory[j].size;
bi->memory[j].addr = a;
bi->memory[j].size = s;
}
}
}
}
void bootinfo_init()
{
long ram;
#ifdef TARGET_M68K
unsigned long gmt_bias;
MachineLocation where;
#endif
/* I'm a macintosh, I know, I'm sure */
boot_info.machtype = MACH_MAC;
/* WARNING: arch_init() must be called before ! */
boot_info.bi_mac.id = machine_id;
/* check ram size */
Gestalt('ram ', &ram);
boot_info.bi_mac.memsize = ram / (1024L * 1024L);
/* set processor type */
switch (cpu_type)
{
case gestalt68000:
break;
case gestalt68010:
break;
case gestalt68020:
if (mmu_type == gestalt68851)
boot_info.cputype = CPU_68020;
break;
case gestalt68030:
boot_info.cputype = CPU_68030;
break;
case gestalt68040:
boot_info.cputype = CPU_68040;
break;
default:
error("Unknown processor.");
break;
}
boot_info.bi_mac.cpuid = cpu_type - gestalt68020;
/* Set the FPU info */
switch (fpu_type)
{
case gestalt68881:
boot_info.cputype |= FPU_68881;
break;
case gestalt68882:
boot_info.cputype |= FPU_68882; break;
break;
case gestalt68040FPU:
boot_info.cputype |= FPU_68040;
break;
case gestaltNoFPU:
default:
break;
}
/* memory structure */
extractBanks(&boot_info, &memory_map);
/* ramdisk info */
boot_info.ramdisk_size = (unsigned long)&_ramdisk_end -
(unsigned long)&_ramdisk_start;
logical2physical((unsigned long)&_ramdisk_start, &boot_info.ramdisk_addr);
/* command line */
strncpy(boot_info.command_line, command_line, CL_SIZE);
/* macintosh */
/* video information */
boot_info.bi_mac.videological = console_get_video();
logical2physical(boot_info.bi_mac.videological, &boot_info.bi_mac.videoaddr);
boot_info.bi_mac.videorow = console_get_row_bytes();
boot_info.bi_mac.videodepth = console_get_depth();
boot_info.bi_mac.dimensions = (console_get_height() << 16)
| console_get_width();
/* booter version */
boot_info.bi_mac.bootver = 108;
#ifdef TARGET_M68K
if (arch_type == gestaltPowerPC)
return;
/* boot time and time zone */
boot_info.bi_mac.args = 0;
boot_info.bi_mac.boottime = Time - 2082844800;
ReadLocation(&where);
gmt_bias = where.u.gmtDelta & 0x00FFFFFF;
if (gmt_bias & 0x00800000)
gmt_bias |= 0xFF000000; /* sign-extend to 32 bits */
gmt_bias = (long)gmt_bias / 60; /* convert to whole minutes, remember sign */
boot_info.bi_mac.gmtbias = gmt_bias;
logical2physical(SCCRd, &boot_info.bi_mac.scc);
boot_info.bi_mac.timedbra = TimeDBRA;
boot_info.bi_mac.adbdelay = TimeVIADB;
boot_info.bi_mac.serialmf = 0;
boot_info.bi_mac.serialhsk = 9600;
boot_info.bi_mac.serialgpi = 9600;
/* ROM base */
boot_info.bi_mac.rombase = ROMBase;
#if defined(EXTENDED_HW_MAP)
/* hardware information */
boot_info.bi_mac.HwMap = 0;
/* VIA1 */
if (MacHasHardware(gestaltHasVIA1))
{
boot_info.bi_mac.HwMap |= HW_MAP_VIA1;
logical2physical(VIA1Base, &boot_info.bi_mac.VIA1Base);
}
/* VIA2/RBV/OSS */
if (MacHasHardware(gestaltHasVIA2))
boot_info.bi_mac.HwMap |= HW_MAP_VIA2_VIA;
else if (MacHasHardware(gestaltHasRBV))
boot_info.bi_mac.HwMap |= HW_MAP_VIA2_RBV;
else if (MacHasHardware(gestaltHasOSS))
boot_info.bi_mac.HwMap |= HW_MAP_VIA2_OSS;
if (boot_info.bi_mac.HwMap &
(HW_MAP_VIA2_VIA | HW_MAP_VIA2_RBV | HW_MAP_VIA2_OSS))
{
logical2physical(VIA2Base, &boot_info.bi_mac.VIA2Base);
}
/* ADB */
if (MacHasHardware(gestaltHasSWIMIOP))
{
boot_info.bi_mac.HwMap |= HW_MAP_ADB_IOP;
}
else
{
unsigned long bits = UnivROMBits;
if (bits != -1)
{
bits &= 0x07000000;
bits >>= 24;
if (bits != 0)
{
if ( (bits == 1) || (bits == 2) )
{
boot_info.bi_mac.HwMap |= HW_MAP_ADB_IISI;
}
else
boot_info.bi_mac.HwMap |= HW_MAP_ADB_CUDA;
}
else
{
if (PMgrBase != -1)
{
boot_info.bi_mac.HwMap |= HW_MAP_ADB_PB1;
}
}
}
}
/* ASC */
if (ASCBase != -1)
{
boot_info.bi_mac.HwMap |= HW_MAP_ASC;
logical2physical(ASCBase, &boot_info.bi_mac.ASCBase);
}
/* SCSI 5380 */
if (MacHasHardware(gestaltHasSCSI))
{
boot_info.bi_mac.HwMap |= HW_MAP_SCSI5380;
logical2physical(SCSIBase, &boot_info.bi_mac.SCSIBase);
}
/* SCSI 5380 DMA */
if (MacHasHardware(gestaltHasSCSIDMA))
{
boot_info.bi_mac.HwMap |= HW_MAP_SCSI5380DMA;
logical2physical(SCSIBase, &boot_info.bi_mac.SCSIBase);
}
/* 5396, internal or external */
if ( MacHasHardware(gestaltHasSCSI961) ||
MacHasHardware(gestaltHasSCSI962) )
{
boot_info.bi_mac.HwMap |= HW_MAP_SCSI5396;
logical2physical(SCSIBase, &boot_info.bi_mac.SCSIBase);
}
/* ATA/IDE */
if (HWCfgFlags & 0x0080)
{
if (PMgrBase != -1)
boot_info.bi_mac.HwMap |= HW_MAP_IDE_PB;
else
boot_info.bi_mac.HwMap |= HW_MAP_IDE_QUADRA;
}
/* nubus */
if (Gestalt('sltc', &boot_info.bi_mac.NubusMap) == noErr)
{
if (boot_info.bi_mac.NubusMap != 0)
{
boot_info.bi_mac.HwMap |= HW_MAP_NUBUS;
}
}
/* SCC */
if (MacHasHardware(gestaltHasSCCIOP))
boot_info.bi_mac.HwMap |= HW_MAP_SCC_IOP;
#endif /* EXTENDED_HW_MAP */
#endif /* TARGET_M68K */
}
static char *
add_v2_boot_record(char *dst, unsigned short tag,
unsigned short in_data_size, void *in_data)
{
struct bi2_record *rec;
rec = (struct bi2_record *)dst;
rec->tag = tag;
rec->size = in_data_size + sizeof(struct bi2_record);
memcpy(rec->data, in_data, in_data_size);
return (dst + sizeof(struct bi2_record) + in_data_size);
}
void
set_kernel_bootinfo(char *dst)
{
unsigned long l1, l2, l3;
/* machine type */
l1 = boot_info.machtype;
dst = add_v2_boot_record(dst, V2_BI_MACHTYPE, sizeof(l1), &l1);
/* CPU type */
switch(boot_info.cputype & CPU_MASK)
{
case CPU_68020:
l1 = V2_CPU_68020;
l2 = V2_MMU_68851;
break;
case CPU_68030:
l1 = V2_CPU_68030;
l2 = V2_MMU_68030;
break;
case CPU_68040:
l1 = V2_CPU_68040;
l2 = V2_MMU_68040;
break;
case CPU_68060:
l1 = V2_CPU_68060;
l2 = V2_MMU_68060;
break;
default:
l1 = 0;
l2 = 0;
break;
}
switch(boot_info.cputype & FPU_MASK)
{
case FPU_68881:
l3 = V2_FPU_68881;
break;
case FPU_68882:
l3 = V2_FPU_68882;
break;
case FPU_68040:
l3 = V2_FPU_68040;
break;
case FPU_68060:
l3 = V2_FPU_68060;
break;
default:
l3 = 0;
break;
}
dst = add_v2_boot_record(dst, V2_BI_CPUTYPE, sizeof(l1), &l1);
dst = add_v2_boot_record(dst, V2_BI_FPUTYPE, sizeof(l3), &l3);
dst = add_v2_boot_record(dst, V2_BI_MMUTYPE, sizeof(l2), &l2);
/* Memory chunk */
for(l1 = 0; l1 < boot_info.num_memory; l1++)
{
dst = add_v2_boot_record(dst, V2_BI_MEMCHUNK,
sizeof(struct mem_info),
&boot_info.memory[l1]);
}
/* RAM disk */
if (boot_info.ramdisk_size)
{
struct mem_info mi;
mi.addr = boot_info.ramdisk_addr;
mi.size = boot_info.ramdisk_size;
dst = add_v2_boot_record(dst, V2_BI_RAMDISK, sizeof(mi), &mi);
}
dst = add_v2_boot_record(dst, V2_BI_COMMAND_LINE,
strlen(boot_info.command_line) + 1,
boot_info.command_line);
l1 = boot_info.bi_mac.id;
dst = add_v2_boot_record(dst, V2_BI_MAC_MODEL, sizeof(l1), &l1);
l1 = boot_info.bi_mac.videoaddr;
dst = add_v2_boot_record(dst, V2_BI_MAC_VADDR, sizeof(l1), &l1);
l1 = boot_info.bi_mac.videodepth;
dst = add_v2_boot_record(dst, V2_BI_MAC_VDEPTH, sizeof(l1), &l1);
l1 = boot_info.bi_mac.videorow;
dst = add_v2_boot_record(dst, V2_BI_MAC_VROW, sizeof(l1), &l1);
l1 = boot_info.bi_mac.dimensions;
dst = add_v2_boot_record(dst, V2_BI_MAC_VDIM, sizeof(l1), &l1);
l1 = boot_info.bi_mac.videological;
dst = add_v2_boot_record(dst, V2_BI_MAC_VLOGICAL, sizeof(l1), &l1);
l1 = boot_info.bi_mac.scc;
dst = add_v2_boot_record(dst, V2_BI_MAC_SCCBASE, sizeof(l1), &l1);
l1 = boot_info.bi_mac.boottime;
dst = add_v2_boot_record(dst, V2_BI_MAC_BTIME, sizeof(l1), &l1);
l1 = boot_info.bi_mac.gmtbias;
dst = add_v2_boot_record(dst, V2_BI_MAC_GMTBIAS, sizeof(l1), &l1);
l1 = boot_info.bi_mac.memsize;
dst = add_v2_boot_record(dst, V2_BI_MAC_MEMSIZE, sizeof(l1), &l1);
l1 = boot_info.bi_mac.cpuid;
dst = add_v2_boot_record(dst, V2_BI_MAC_CPUID, sizeof(l1), &l1);
l1 = boot_info.bi_mac.rombase;
dst = add_v2_boot_record(dst, V2_BI_MAC_ROMBASE, sizeof(l1), &l1);
#if defined(EXTENDED_HW_MAP)
/* VIA1 */
if (boot_info.bi_mac.HwMap & HW_MAP_VIA1)
{
l1 = boot_info.bi_mac.VIA1Base;
dst = add_v2_boot_record(dst, V2_BI_MAC_VIA1BASE,
sizeof(l1), &l1);
}
/* VIA2 */
if (boot_info.bi_mac.HwMap & HW_MAP_VIA2_VIA)
l2 = V2_VIA2_VIA;
else if (boot_info.bi_mac.HwMap & HW_MAP_VIA2_RBV)
l2 = V2_VIA2_RBV;
else if (boot_info.bi_mac.HwMap & HW_MAP_VIA2_OSS)
l2 = V2_VIA2_OSS;
if (boot_info.bi_mac.HwMap &
(HW_MAP_VIA2_VIA | HW_MAP_VIA2_RBV | HW_MAP_VIA2_OSS) )
{
l1 = boot_info.bi_mac.VIA2Base;
dst = add_v2_boot_record(dst, V2_BI_MAC_VIA2BASE,
sizeof(l1), &l1);
dst = add_v2_boot_record(dst, V2_BI_MAC_VIA2TYPE,
sizeof(l2), &l2);
}
/* ADB */
if (boot_info.bi_mac.HwMap & HW_MAP_ADB_IOP)
l1 = V2_ADB_IOP;
else if (boot_info.bi_mac.HwMap & HW_MAP_ADB_IISI)
l1 = V2_ADB_IISI;
else if (boot_info.bi_mac.HwMap & HW_MAP_ADB_CUDA)
l1 = V2_ADB_CUDA;
else if (boot_info.bi_mac.HwMap & HW_MAP_ADB_PB1)
l1 = V2_ADB_PB1;
dst = add_v2_boot_record(dst, V2_BI_MAC_ADBTYPE, sizeof(l1), &l1);
/* ASC */
if (boot_info.bi_mac.HwMap & HW_MAP_ASC)
{
l1 = boot_info.bi_mac.ASCBase;
dst = add_v2_boot_record(dst, V2_BI_MAC_ASCBASE,
sizeof(l1), &l1);
}
/* SCSI 5380 */
if (boot_info.bi_mac.HwMap & HW_MAP_SCSI5380)
{
l1 = boot_info.bi_mac.SCSIBase;
dst = add_v2_boot_record(dst, V2_BI_MAC_SCSI5380,
sizeof(l1), &l1);
}
/* SCSI 5380 DMA */
if (boot_info.bi_mac.HwMap & HW_MAP_SCSI5380DMA)
{
l1 = boot_info.bi_mac.SCSIBase;
dst = add_v2_boot_record(dst, V2_BI_MAC_SCSIDMA,
sizeof(l1), &l1);
}
/* SCSI 5396, internal or external */
if (boot_info.bi_mac.HwMap & HW_MAP_SCSI5396)
{
l1 = boot_info.bi_mac.SCSIBase;
dst = add_v2_boot_record(dst, V2_BI_MAC_SCSI5396,
sizeof(l1), &l1);
}
/* ATA/IDE */
if (boot_info.bi_mac.HwMap & HW_MAP_IDE_PB)
{
l1 = V2_IDE_PB;
dst = add_v2_boot_record(dst, V2_BI_MAC_IDETYPE,
sizeof(l1), &l1);
l2 = V2_IDE_BASE;
dst = add_v2_boot_record(dst, V2_BI_MAC_IDEBASE,
sizeof(l2), &l2);
}
else if (boot_info.bi_mac.HwMap & HW_MAP_IDE_QUADRA)
{
l1 = V2_IDE_QUADRA;
dst = add_v2_boot_record(dst, V2_BI_MAC_IDETYPE,
sizeof(l1), &l1);
l2 = V2_IDE_BASE;
dst = add_v2_boot_record(dst, V2_BI_MAC_IDEBASE,
sizeof(l2), &l2);
}
/* NuBus */
if (boot_info.bi_mac.HwMap & HW_MAP_NUBUS)
{
l2 = V2_NUBUS_NORMAL;
dst = add_v2_boot_record(dst, V2_BI_MAC_NUBUS, sizeof(l2), &l2);
l1 = boot_info.bi_mac.NubusMap;
dst = add_v2_boot_record(dst, V2_BI_MAC_SLOTMASK,
sizeof(l1), &l1);
}
/* SCC */
if (boot_info.bi_mac.HwMap & HW_MAP_SCC_IOP)
l1 = V2_SCC_NORMAL;
else
l1 = V2_SCC_IOP;
dst = add_v2_boot_record(dst, V2_BI_MAC_SCCTYPE, sizeof(l1), &l1);
#endif /* EXTENDED_HW_MAP */
/* END */
l1 = 0;
dst = add_v2_boot_record(dst, V2_BI_LAST, 0, &l1);
}
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