started implementation of XHDI caller interface
This commit is contained in:
Markus Fröschle
@@ -14,11 +14,13 @@ APP=$(EMUSD).prg
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all: $(APP)
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SOURCES=$(EMUSD).c
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SOURCES=$(EMUSD).c \
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xhdi.c
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OBJECTS=$(SOURCES:.c=.o)
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$(APP): $(OBJECTS)
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$(CC) $(CFLAGS) $< -o $(APP)
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$(CC) $(CFLAGS) $(OBJECTS) -o $(APP)
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.PHONY clean:
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- rm -rf *.o $(APP)
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324
sd-emutos/xhdi.c
Normal file
324
sd-emutos/xhdi.c
Normal file
@@ -0,0 +1,324 @@
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/*
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* xhdi.c
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*
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* Created on: 03.05.2013
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* Author: mfro
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*/
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "xhdi.h"
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uint32_t xhdi_call(int xhdi_fun, ...)
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{
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va_list arguments;
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va_start(arguments, xhdi_fun);
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switch (xhdi_fun)
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{
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case XHDI_VERSION:
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return xhdi_version();
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break;
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case XHDI_INQUIRE_TARGET:
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{
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uint16_t major;
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uint16_t minor;
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uint32_t *block_size;
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uint32_t *flags;
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char *product_name;
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major = va_arg(arguments, unsigned int);
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minor = va_arg(arguments, unsigned int);
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block_size = va_arg(arguments, uint32_t *);
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flags = va_arg(arguments, uint32_t *);
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product_name = va_arg(arguments, char *);
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return xhdi_inquire_target(major, minor,
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block_size, flags, product_name);
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}
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break;
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case XHDI_RESERVE:
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{
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uint16_t major;
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uint16_t minor;
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uint16_t do_reserve;
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uint16_t key;
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major = va_arg(arguments, unsigned int);
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minor = va_arg(arguments, unsigned int);
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do_reserve = va_arg(arguments, unsigned int);
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key = va_arg(arguments, unsigned int);
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return xhdi_reserve(major, minor, do_reserve, key);
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}
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break;
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case XHDI_LOCK:
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{
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uint16_t major;
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uint16_t minor;
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uint16_t do_lock;
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uint16_t key;
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major = va_arg(arguments, unsigned int);
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minor = va_arg(arguments, unsigned int);
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do_lock = va_arg(arguments, unsigned int);
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key = va_arg(arguments, unsigned int);
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return xhdi_lock(major, minor, do_lock, key);
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}
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break;
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case XHDI_STOP:
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{
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uint16_t major;
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uint16_t minor;
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uint16_t do_stop;
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uint16_t key;
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major = va_arg(arguments, unsigned int);
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minor = va_arg(arguments, unsigned int);
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do_stop = va_arg(arguments, unsigned int);
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key = va_arg(arguments, unsigned int);
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return xhdi_stop(major, minor, do_stop, key);
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}
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break;
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case XHDI_EJECT:
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{
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uint16_t major;
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uint16_t minor;
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uint16_t do_eject;
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uint16_t key;
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major = va_arg(arguments, unsigned int);
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minor = va_arg(arguments, unsigned int);
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do_eject = va_arg(arguments, unsigned int);
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key = va_arg(arguments, unsigned int);
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return xhdi_eject(major, minor, do_eject, key);
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}
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break;
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case XHDI_DRIVEMAP:
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return xhdi_drivemap();
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break;
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case XHDI_INQUIRE_DEVICE:
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{
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uint16_t bios_device;
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uint16_t *major;
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uint16_t *minor;
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uint32_t *start_sector;
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void *bpb;
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bios_device = va_arg(arguments, unsigned int);
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major = va_arg(arguments, uint16_t *);
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minor = va_arg(arguments, uint16_t *);
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start_sector = va_arg(arguments, uint32_t *);
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bpb = va_arg(arguments, void *);
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return xhdi_inquire_device(bios_device, major, minor, start_sector, bpb);
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}
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break;
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case XHDI_INQUIRE_DRIVER:
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{
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uint16_t bios_device;
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char *name;
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char *version;
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char *company;
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uint16_t *ahdi_version;
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uint16_t *maxIPL;
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bios_device = va_arg(arguments, unsigned int);
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name = va_arg(arguments, char *);
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version = va_arg(arguments, char *);
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company = va_arg(arguments, char *);
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ahdi_version = va_arg(arguments, uint16_t *);
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maxIPL = va_arg(arguments, uint16_t *);
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return xhdi_inquire_driver(bios_device, name, version, company,
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ahdi_version, maxIPL);
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}
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break;
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case XHDI_NEW_COOKIE:
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{
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void *new_cookie;
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new_cookie = va_arg(arguments, void *);
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return xhdi_new_cookie(new_cookie);
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}
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break;
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case XHDI_READ_WRITE:
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{
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uint16_t major;
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uint16_t minor;
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uint16_t rwflag;
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uint32_t recno;
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uint16_t count;
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void *buf;
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major = va_arg(arguments, unsigned int);
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minor = va_arg(arguments, unsigned int);
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rwflag = va_arg(arguments, unsigned int);
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recno = va_arg(arguments, uint32_t);
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count = va_arg(arguments, unsigned int);
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buf = va_arg(arguments, void *);
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return xhdi_read_write(major, minor, rwflag, recno, count, buf);
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}
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break;
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case XHDI_INQUIRE_TARGET2:
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{
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uint16_t major;
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uint16_t minor;
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uint32_t *block_size;
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uint32_t *device_flags;
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char *product_name;
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uint16_t strlen;
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major = va_arg(arguments, unsigned int);
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minor = va_arg(arguments, unsigned int);
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block_size = va_arg(arguments, uint32_t *);
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device_flags = va_arg(arguments, uint32_t *);
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product_name = va_arg(arguments, char *);
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strlen = va_arg(arguments, unsigned int);
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return xhdi_inquire_target2(major, minor, block_size, device_flags,
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product_name, strlen);
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}
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break;
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case XHDI_INQUIRE_DEVICE2:
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{
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uint16_t bios_device;
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uint16_t *major;
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uint16_t *minor;
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uint16_t *start_sector;
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void *bpb;
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uint32_t *blocks;
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char *partid;
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bios_device = va_arg(arguments, unsigned int);
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major = va_arg(arguments, uint16_t *);
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minor = va_arg(arguments, uint16_t *);
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start_sector = va_arg(arguments, uint16_t *);
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bpb = va_arg(arguments, void *);
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blocks = va_arg(arguments, uint32_t *);
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partid = va_arg(arguments, char *);
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return xhdi_inquire_device2(bios_device, major, minor, start_sector,
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bpb, blocks, partid);
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}
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break;
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case XHDI_DRIVER_SPECIAL:
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{
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uint32_t key1;
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uint32_t key2;
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uint16_t subopcode;
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void *data;
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key1 = va_arg(arguments, uint32_t);
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key2 = va_arg(arguments, uint32_t);
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subopcode = va_arg(arguments, unsigned int);
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data = va_arg(arguments, void *);
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return xhdi_driver_special(key1, key2, subopcode, data);
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}
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break;
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case XHDI_GET_CAPACITY:
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{
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uint16_t major;
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uint16_t minor;
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uint32_t *blocks;
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uint32_t *bs;
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major = va_arg(arguments, unsigned int);
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minor = va_arg(arguments, unsigned int);
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blocks = va_arg(arguments, uint32_t *);
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bs = va_arg(arguments, uint32_t *);
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return xhdi_get_capacity(major, minor, blocks, bs);
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}
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break;
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case XHDI_MEDIUM_CHANGED:
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{
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uint16_t major;
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uint16_t minor;
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major = va_arg(arguments, unsigned int);
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minor = va_arg(arguments, unsigned int);
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return xhdi_medium_changed(major, minor);
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}
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break;
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case XHDI_MINT_INFO:
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{
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uint16_t opcode;
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void *data;
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opcode = va_arg(arguments, unsigned int);
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data = va_arg(arguments, void *);
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return xhdi_mint_info(opcode, data);
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}
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break;
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case XHDI_DOS_LIMITS:
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{
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uint16_t which;
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uint32_t limit;
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which = va_arg(arguments, unsigned int);
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limit = va_arg(arguments, uint32_t);
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return xhdi_dos_limits(which, limit);
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}
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break;
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case XHDI_LAST_ACCESS:
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{
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uint16_t major;
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uint16_t minor;
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uint32_t *ms;
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major = va_arg(arguments, unsigned int);
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minor = va_arg(arguments, unsigned int);
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ms = va_arg(arguments, uint32_t *);
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return xhdi_last_access(major, minor, ms);
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}
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break;
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case XHDI_REACCESS:
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{
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uint16_t major;
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uint16_t minor;
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major = va_arg(arguments, unsigned int);
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minor = va_arg(arguments, unsigned int);
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return xhdi_reaccess(major, minor);
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}
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break;
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default:
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break;
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}
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xprintf("unknown XHDI function %d\r\n");
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return EINVFN;
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}
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155
sd-emutos/xhdi.h
Normal file
155
sd-emutos/xhdi.h
Normal file
@@ -0,0 +1,155 @@
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/*
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* xhdi.h
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*
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* Created on: 03.05.2013
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* Author: mfro
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*/
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#ifndef XHDI_H_
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#define XHDI_H_
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/*
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* xhdi_sd.h
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*
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* This file is part of BaS_gcc.
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*
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* BaS_gcc is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* BaS_gcc is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with BaS_gcc. If not, see <http://www.gnu.org/licenses/>.
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*
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* Created on: 01.05.2013
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* Copyright 2012 M. Fr<46>schle
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*/
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#ifndef _XHDI_SD_H_
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#define _XHDI_SD_H_
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#ifdef __MSHORT__
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#error this include file is not suitable for -mshort compilation
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#endif /* __MSHORT__ */
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/* XHDI function numbers */
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#define XHDI_VERSION 0
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#define XHDI_INQUIRE_TARGET 1
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#define XHDI_RESERVE 2
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#define XHDI_LOCK 3
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#define XHDI_STOP 4
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#define XHDI_EJECT 5
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#define XHDI_DRIVEMAP 6
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#define XHDI_INQUIRE_DEVICE 7
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#define XHDI_INQUIRE_DRIVER 8
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#define XHDI_NEW_COOKIE 9
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#define XHDI_READ_WRITE 10
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#define XHDI_INQUIRE_TARGET2 11
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#define XHDI_INQUIRE_DEVICE2 12
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#define XHDI_DRIVER_SPECIAL 13
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#define XHDI_GET_CAPACITY 14
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#define XHDI_MEDIUM_CHANGED 15
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#define XHDI_MINT_INFO 16
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#define XHDI_DOS_LIMITS 17
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#define XHDI_LAST_ACCESS 18
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#define XHDI_REACCESS 19
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/* XHDI error codes */
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#define E_OK 0 /* OK */
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#define ERROR -1 /* unspecified error */
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#define EDRVNR -2 /* drive not ready */
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#define EUNDEV -15 /* invalid device/target number */
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#define EINVFN -32 /* invalid function number */
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#define EACCDN -36 /* access denied (device currently reserved) */
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#define EDRIVE -46 /* BIOS device not served by driver */
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/* XHDI device capabilities */
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#define XH_TARGET_STOPPABLE (1 << 0)
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#define XH_TARGET_REMOVABLE (1 << 1)
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#define XH_TARGET_LOCKABLE (1 << 2)
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#define XH_TARGET_EJECTABLE (1 << 3)
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#define XH_TARGET_LOCKED (1 << 29)
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#define XH_TARGET_STOPPED (1 << 30)
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#define XH_TARGET_RESERVED (1 << 31)
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/*
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* FIXME: dangerous TRAP here!
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*
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* all of these functions get compiled into BaS with "normal" GCC integers (32 bit). However, since they will be called
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* from code compiled with -mshort, integers must be declared uint32_t for those compilation units to adhere
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* to "normal" GCC calling conventions.
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*
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* This is ugly and slow (all stack frames from -mshort compiled code need to be rearranged for "normal"
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* calling conventions), but that's the way it currently is...
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*
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*/
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#ifdef __MSHORT__
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#define UINT16_T uint32_t
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#else
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#define UINT16_T uint16_t
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#endif
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/* a riddle: how do you typedef a function pointer to a function that returns its own type? ;) */
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typedef void* (*xhdi_call_fun)(int xhdi_fun, ...);
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extern uint32_t xhdi_call(int xhdi_fun, ...);
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extern xhdi_call_fun xhdi_sd_install(xhdi_call_fun old_vector) __attribute__((__interrupt__));
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extern uint32_t xhdi_version(void); /* XHDI 0 */
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extern uint32_t xhdi_inquire_target(UINT16_T major, UINT16_T minor, uint32_t *block_size, uint32_t *flags,
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char *product_name); /* XHDI 1 */
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extern uint32_t xhdi_reserve(UINT16_T major, UINT16_T minor, UINT16_T do_reserve, UINT16_T key); /* XHDI 2 */
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extern uint32_t xhdi_lock(UINT16_T major, UINT16_T minor, UINT16_T do_lock, UINT16_T key); /* XHDI 3 */
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extern uint32_t xhdi_stop(UINT16_T major, UINT16_T minor, UINT16_T do_stop, UINT16_T key); /* XHDI 4 */
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extern uint32_t xhdi_eject(UINT16_T major, UINT16_T minor, UINT16_T do_eject, UINT16_T key); /* XHDI 5 */
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extern uint32_t xhdi_drivemap(void); /* XHDI 6 */
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extern uint32_t xhdi_inquire_device(UINT16_T bios_device, UINT16_T *major, UINT16_T *minor,
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uint32_t *start_sector, /* BPB */ void *bpb); /* XHDI 7 */
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extern uint32_t xhdi_inquire_driver(UINT16_T bios_device, char *name, char *version,
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char *company, UINT16_T *ahdi_version, UINT16_T *maxIPL); /* XHDI 8 */
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extern uint32_t xhdi_new_cookie(void *newcookie); /* XHDI 9 */
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extern uint32_t xhdi_read_write(UINT16_T major, UINT16_T minor, UINT16_T rwflag,
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uint32_t recno, UINT16_T count, void *buf); /* XHDI 10 */
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extern uint32_t xhdi_inquire_target2(UINT16_T major, UINT16_T minor, uint32_t *block_size,
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uint32_t *device_flags, char *product_name, UINT16_T stringlen); /* XHDI 11 */
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extern uint32_t xhdi_inquire_device2(UINT16_T bios_device, UINT16_T *major, UINT16_T *minor,
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UINT16_T *start_sector, /* BPB */ void *bpb, uint32_t *blocks, char *partid); /* XHDI 12 */
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extern uint32_t xhdi_driver_special(uint32_t key1, uint32_t key2, UINT16_T subopcode, void *data); /* XHDI 13 */
|
||||
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extern uint32_t xhdi_get_capacity(UINT16_T major, UINT16_T minor, uint32_t *blocks, uint32_t *bs); /* XHDI 14 */
|
||||
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extern uint32_t xhdi_medium_changed(UINT16_T major, UINT16_T minor); /* XHDI 15 */
|
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|
||||
extern uint32_t xhdi_mint_info(UINT16_T opcode, void *data); /* XHDI 16 */
|
||||
|
||||
extern uint32_t xhdi_dos_limits(UINT16_T which, uint32_t limit); /* XHDI 17 */
|
||||
|
||||
extern uint32_t xhdi_last_access(UINT16_T major, UINT16_T minor, uint32_t *ms); /* XHDI 18 */
|
||||
|
||||
extern uint32_t xhdi_reaccess(UINT16_T major, UINT16_T minor); /* XHDI 19 */
|
||||
|
||||
#endif /* _XHDI_SD_H_ */
|
||||
|
||||
|
||||
#endif /* XHDI_H_ */
|
||||
Reference in New Issue
Block a user