NuBusFPGA/nubus-to-ztex-gateware/DeclROM/NuBusFPGARAMDskDrvr.h

#ifndef __NUBUSFPGARAMDSKDRVR_H__
#define __NUBUSFPGARAMDSKDRVR_H__

#include <Files.h>
#include <Devices.h>
#include <Slots.h>
#include <MacErrors.h>
#include <MacMemory.h>
#include <Disks.h>

#include "NuBusFPGADrvr.h"

struct RAMDrvContext {
	DrvSts2 drvsts;
};

#define DRIVE_SIZE_BYTES ((256ul-8ul)*1024ul*1024ul) // FIXME: mem size minus fb size

uint32_t rledec(uint32_t* out, const uint32_t* in, const uint32_t len);

#endif
in _sampling, map whole SDRAm in superslot and use the first 248 Mib as a RAM disk with driver in the DeclRom 2022-06-07 21:05:08 +00:00			`#ifndef __NUBUSFPGARAMDSKDRVR_H__`
			`#define __NUBUSFPGARAMDSKDRVR_H__`

			`#include <Files.h>`
			`#include <Devices.h>`
			`#include <Slots.h>`
			`#include <MacErrors.h>`
			`#include <MacMemory.h>`
			`#include <Disks.h>`

			`#include "NuBusFPGADrvr.h"`

			`struct RAMDrvContext {`
			`DrvSts2 drvsts;`
			`};`

			`#define DRIVE_SIZE_BYTES ((256ul-8ul)1024ul1024ul) // FIXME: mem size minus fb size`

use some custom RLE to initiliaze the RAM disk with a valid HFS FS. Still doesn't mount at boot though. 2022-06-12 11:45:41 +00:00			`uint32_t rledec(uint32_t* out, const uint32_t* in, const uint32_t len);`

in _sampling, map whole SDRAm in superslot and use the first 248 Mib as a RAM disk with driver in the DeclRom 2022-06-07 21:05:08 +00:00			`#endif`