+++ /dev/null
-
-CSRCS = devlpr.c devtty.c devrd.c
-CSRCS += devices.c main.c libc.c
-
-#ASRCS = p8086.s crt0.s
-#ASRCS += tricks.s commonmem.s
-
-COBJS = $(CSRCS:.c=$(BINEXT))
-AOBJS = $(ASRCS:.s=$(BINEXT))
-OBJS = $(COBJS) $(AOBJS)
-
-JUNK = $(CSRCS:.c=.o) $(CSRCS:.c=.s) $(ASRCS:.s=.o)
-
-all: $(OBJS)
-
-$(COBJS): %$(BINEXT): %.c
- $(CROSS_CC) $(CROSS_CCOPTS) $<
-
-$(AOBJS): %$(BINEXT): %.s
- $(CROSS_AS) $(ASOPTS) $< -o $*$(BINEXT)
-
-clean:
- rm -f $(OBJS) $(JUNK) core *~
-
-image:
- $(CROSS_LD) -o ../fuzix.bin -0 -i crt0.o commonmem.o \
- p8086.o ../start.o ../version.o ../lowlevel-8086.o \
- tricks.o main.o ../timer.o ../kdata.o devrd.o devices.o \
- ../devio.o ../filesys.o ../process.o ../inode.o ../syscall_fs.o \
- ../syscall_proc.o ../syscall_other.o ../mm.o ../swap.o ../bank16k.o \
- ../tty.o ../devsys.o ../syscall_fs2.o ../syscall_exec.o \
- ../usermem.o devlpr.o devtty.o libc.o
+++ /dev/null
-8086 test sketching out
-
-Getting the bcc compiler bits working. Ideally we'll switch to pcc once it
-works
+++ /dev/null
-/* Enable to make ^Z dump the inode table for debug */
-#undef CONFIG_IDUMP
-/* Enable to make ^A drop back into the monitor */
-#undef CONFIG_MONITOR
-/* Profil syscall support (not yet complete) */
-#define CONFIG_PROFIL
-/* Acct syscall support */
-#define CONFIG_ACCT
-/* Multiple processes in memory at once */
-#define CONFIG_MULTI
-/* Single tasking - for now while we get it booting */
-#undef CONFIG_SINGLETASK
-/* Use the C language usermem helpers */
-#define CONFIG_USERMEM_C
-/* TODO: these need to be defined as the code to flip the banks over */
-#define BANK_PROCESS
-#define BANK_KERNEL
-#define CONFIG_BANKS 1
-
-/* We use flexible 16K banks so use the helper */
-#define CONFIG_BANK16
-#define MAX_MAPS 16
-/* And swapping */
-#define SWAPDEV 6 /* FIXME */
-#define SWAP_SIZE 0x80 /* 64K blocks */
-/* FIXME */
-#define SWAPBASE 0x0000 /* We swap the lot in one, include the */
-#define SWAPTOP 0xF000 /* vectors so its a round number of sectors */
-#define UDATA_BLOCKS 0 /* We swap the uarea in the data */
-#define UDATA_SWAPSIZE 0
-#define MAX_SWAPS 32
-
-/* Video terminal, not a serial tty */
-#define CONFIG_VT
-/* We want the 8x8 font */
-#define CONFIG_FONT_8X8
-/* Vt definitions */
-#define VT_WIDTH 64
-#define VT_HEIGHT 24
-#define VT_RIGHT 63
-#define VT_BOTTOM 23
-
-#define TICKSPERSEC 100 /* Ticks per second */
-#define PROGBASE 0x0200 /* also data base */
-#define PROGLOAD 0x0200
-#define PROGTOP 0xF000 /* Top of program, base of U_DATA */
-
-#define BOOT_TTY 513 /* Set this to default device for stdio, stderr */
- /* In this case, the default is the first TTY device */
- /* Temp FIXME set to serial port for debug ease */
-
-/* We need a tidier way to do this from the loader */
-#define CMDLINE NULL /* Location of root dev name */
-
-/* Device parameters */
-#define NUM_DEV_TTY 3
-#define NDEVS 1 /* Devices 0..NDEVS-1 are capable of being mounted */
- /* (add new mountable devices to beginning area.) */
-#define TTYDEV BOOT_TTY /* Device used by kernel for messages, panics */
-#define NBUFS 10 /* Number of block buffers */
-#define NMOUNTS 1 /* Number of mounts at a time - nothing mountable! */
+++ /dev/null
-#ifndef __DEVICE_DOT_H__
-#define __DEVICE_DOT_H__
-
-extern void mod_control(uint8_t set, uint8_t clr);
-
-#endif /* __DEVICE_DOT_H__ */
+++ /dev/null
-#include <kernel.h>
-#include <version.h>
-#include <kdata.h>
-#include <devrd.h>
-#include <devsys.h>
-#include <devlpr.h>
-#include <tty.h>
-#include <devtty.h>
-
-struct devsw dev_tab[] = /* The device driver switch table */
-{
-// minor open close read write ioctl
-// -----------------------------------------------------------------
- /* 0: /dev/fd Floppy disc block devices */
- { rd_open, no_close, rd_read, rd_write, no_ioctl },
- /* 1: /dev/hd Hard disc block devices (absent) */
- { nxio_open, no_close, no_rdwr, no_rdwr, no_ioctl },
- /* 2: /dev/tty TTY devices */
- { tty_open, tty_close, tty_read, tty_write, tty_ioctl },
- /* 3: /dev/lpr Printer devices */
- { lpr_open, lpr_close, no_rdwr, lpr_write, no_ioctl },
- /* 4: /dev/mem etc System devices (one offs) */
- { no_open, no_close, sys_read, sys_write, sys_ioctl },
- /* Pack to 7 with nxio if adding private devices and start at 8 */
-};
-
-bool validdev(uint16_t dev)
-{
- /* This is a bit uglier than needed but the right hand side is
- a constant this way */
- if(dev > ((sizeof(dev_tab)/sizeof(struct devsw)) << 8) + 255)
- return false;
- else
- return true;
-}
-
-void device_init(void)
-{
-}
-
+++ /dev/null
-#include <kernel.h>
-#include <version.h>
-#include <kdata.h>
-#include <device.h>
-#include <devlpr.h>
-
-/* random test places */
-uint8_t *lpstat = (uint8_t *)0xFF00;
-uint8_t *lpdata = (uint8_t *)0xFF01;
-
-int lpr_open(uint8_t minor, uint16_t flag)
-{
- minor;
- flag; // shut up compiler
- return 0;
-}
-
-int lpr_close(uint8_t minor)
-{
- minor; // shut up compiler
- return 0;
-}
-
-int lpr_write(uint8_t minor, uint8_t rawflag, uint8_t flag)
-{
- int c = udata.u_count;
- char *p = udata.u_base;
- uint16_t ct;
-
- minor;
- rawflag;
- flag; // shut up compiler
-
- while (c-- > 0) {
- ct = 0;
-
- /* Try and balance polling and sleeping */
- while (*lpstat & 2) {
- ct++;
- if (ct == 10000) {
- udata.u_ptab->p_timeout = 3;
- if (psleep_flags(NULL, flag)) {
- if (udata.u_count)
- udata.u_error = 0;
- return udata.u_count;
- }
- ct = 0;
- }
- }
- /* Data */
- *lpdata = ugetc(p++);
- }
- return udata.u_count;
-}
+++ /dev/null
-#ifndef __DEVLPR_DOT_H__
-#define __DEVLPR_DOT_H__
-
-int lpr_open(uint8_t minor, uint16_t flag);
-int lpr_close(uint8_t minor);
-int lpr_write(uint8_t minor, uint8_t rawflag, uint8_t flag);
-
-#endif
+++ /dev/null
-/*
- * NC100 RD PCMCIA driver
- *
- */
-
-#include <kernel.h>
-#include <kdata.h>
-#include <printf.h>
-#include <devrd.h>
-
-static int rd_transfer(bool is_read, uint8_t rawflag)
-{
- blkno_t block;
- int block_xfer;
- uint16_t dptr;
- int dlen;
- int ct = 0;
- int map;
-
- if(rawflag) {
- dlen = udata.u_count;
- dptr = (uint16_t)udata.u_base;
- if (((uint16_t)dptr|dlen) & BLKMASK) {
- udata.u_error = EIO;
- return -1;
- }
- block = udata.u_offset >> 9;
- block_xfer = dlen >> 9;
- map = 1;
- } else { /* rawflag == 0 */
- dlen = 512;
- dptr = (uint16_t)udata.u_buf->bf_data;
- block = udata.u_buf->bf_blk;
- block_xfer = 1;
- map = 0;
- }
- block += 2*320; /* ramdisc starts at 320K in */
-
- while (ct < block_xfer) {
-/* rd_memcpy(is_read, map, dptr, block); */
- block++;
- ct++;
- }
- return ct;
-}
-
-int rd_open(uint8_t minor, uint16_t flag)
-{
- flag;
- if(minor != 0) {
- udata.u_error = ENODEV;
- return -1;
- }
- return 0;
-}
-
-int rd_read(uint8_t minor, uint8_t rawflag, uint8_t flag)
-{
- flag;minor;
- return rd_transfer(true, rawflag);
-}
-
-int rd_write(uint8_t minor, uint8_t rawflag, uint8_t flag)
-{
- flag;minor;
- return rd_transfer(false, rawflag);
-}
-
+++ /dev/null
-#ifndef __DEVRD_DOT_H__
-#define __DEVRD_DOT_H__
-
-/* public interface */
-int rd_read(uint8_t minor, uint8_t rawflag, uint8_t flag);
-int rd_write(uint8_t minor, uint8_t rawflag, uint8_t flag);
-int rd_open(uint8_t minor, uint16_t flag);
-
-/* asm banking helper */
-void rd_memcpy(uint8_t isread, uint8_t map, uint16_t dptr, uint16_t block);
-
-#endif /* __DEVRD_DOT_H__ */
-
+++ /dev/null
-#include <kernel.h>
-#include <kdata.h>
-#include <printf.h>
-#include <stdbool.h>
-#include <devtty.h>
-#include <device.h>
-#include <vt.h>
-#include <tty.h>
-
-#undef DEBUG /* UNdefine to delete debug code sequences */
-
-uint8_t *uarta = (uint8_t *)0xFF04;
-uint8_t *uartb = (uint8_t *)0xFF05;
-
-static char tbuf1[TTYSIZ];
-static char tbuf2[TTYSIZ];
-PTY_BUFFERS;
-
-struct s_queue ttyinq[NUM_DEV_TTY + 1] = { /* ttyinq[0] is never used */
- {NULL, NULL, NULL, 0, 0, 0},
- {tbuf1, tbuf1, tbuf1, TTYSIZ, 0, TTYSIZ / 2},
- {tbuf2, tbuf2, tbuf2, TTYSIZ, 0, TTYSIZ / 2},
- PTY_QUEUES
-};
-
-/* tty1 is the screen tty2 is the serial port */
-
-/* Output for the system console (kprintf etc) */
-void kputchar(char c)
-{
- if (c == '\n')
- tty_putc(1, '\r');
- tty_putc(1, c);
-}
-
-ttyready_t tty_writeready(uint8_t minor)
-{
- uint8_t c;
- if (minor == 1)
- return TTY_READY_NOW;
- c = *uartb;
- return (c & 1) ? TTY_READY_NOW : TTY_READY_SOON;
-}
-
-void tty_putc(uint8_t minor, unsigned char c)
-{
- minor;
-#if 0
- if (minor == 1) {
- vtoutput(&c, 1);
- return;
- }
-#endif
- *uarta = c;
-}
-
-void tty_setup(uint8_t minor)
-{
- minor;
-}
-
-/* For the moment */
-int tty_carrier(uint8_t minor)
-{
- minor;
- return 1;
-}
-
-void platform_interrupt(void)
-{
- timer_interrupt();
-}
-
-/* This is used by the vt asm code, but needs to live at the top of the kernel */
-uint16_t cursorpos;
+++ /dev/null
-#ifndef __DEVTTY_DOT_H__
-#define __DEVTTY_DOT_H__
-
-extern void kbd_interrupt(void);
-extern void tty_interrupt(void);
-
-#define KEY_ROWS 8
-#define KEY_COLS 10
-
-extern uint16_t keymap[8];
-extern uint8_t keyboard[8][10];
-extern uint8_t shiftkeyboard[8][10];
-
-
-#endif
+++ /dev/null
-#include "cpu.h"
-
-void *memcpy(void *d, void *s, size_t sz)
-{
- unsigned char *dp, *sp;
- while(sz--)
- *dp++=*sp++;
- return d;
-}
-
-size_t strlen(const char *p)
-{
- const char *e = p;
- while(*e++);
- return e-p-1;
-}
-
+++ /dev/null
-#include <kernel.h>
-#include <timer.h>
-#include <kdata.h>
-#include <printf.h>
-#include <devtty.h>
-
-/* The uarea is already synched to the stash which is written with the
- process */
-uint8_t *swapout_prepare_uarea(ptptr p)
-{
- p;
- return NULL;
-}
-
-/* The switchin code will move the uarea into the process itself, we just
- need to fix up the u_page pointer */
-uint8_t *swapin_prepare_uarea(ptptr p)
-{
- p;
- return NULL;
-}
-
-void platform_idle(void)
-{
-}
-
-void do_beep(void)
-{
-}
-
-/*
- * Map handling: We have flexible paging. Each map table consists of a set of pages
- * with the last page repeated to fill any holes.
- */
-
-void pagemap_init(void)
-{
- int i;
- /* 0/1/2 image, 3/4/5 kernel 6-19 apps */
- /* Don't add page 6 yet - it's the initial common at boot */
- for (i = 0x80 + 7; i < 0x80 + 20; i++)
- pagemap_add(i);
- /*
- * The kernel boots with 0x86 as the common, list it last here so it also
- * gets given to init as the kernel kicks off the init stub. init will then
- * exec preserving this common and all forks will be copies from it.
- */
- pagemap_add(0x86);
-}
-
-void map_init(void)
-{
-}
+++ /dev/null
-export CPU = 8086
public / FUZIX.git / commitdiff