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https://github.com/captain-amygdala/pistorm.git
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Update Pi-NET to new device driver framework
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beeanyew
@@ -1 +1 @@
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m68k-amigaos-gcc -m68020 -O2 -o pi-net.device -ramiga-dev -noixemul -fbaserel pi-net-amiga.c -ldebug -lamiga
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m68k-amigaos-gcc pi-net-amiga-2.c -O2 -o pi-net.device -m68000 -Wall -Wextra -Wno-unused-parameter -fomit-frame-pointer -nostartfiles -lm -ldebug
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321
platforms/amiga/net/net_driver_amiga/pi-net-amiga-2.c
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321
platforms/amiga/net/net_driver_amiga/pi-net-amiga-2.c
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// SPDX-License-Identifier: MIT
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#include <exec/resident.h>
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#include <exec/errors.h>
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#include <exec/memory.h>
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#include <exec/lists.h>
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#include <exec/alerts.h>
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#include <exec/tasks.h>
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#include <exec/io.h>
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#include <exec/execbase.h>
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#include <exec/interrupts.h>
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#include <hardware/intbits.h>
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#include <libraries/expansion.h>
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#include <devices/trackdisk.h>
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#include <devices/timer.h>
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#include <devices/scsidisk.h>
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#include <dos/filehandler.h>
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#include <dos/dostags.h>
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#include <proto/exec.h>
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#include <proto/disk.h>
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#include <proto/expansion.h>
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#include <proto/utility.h>
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#include <proto/dos.h>
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#include <utility/tagitem.h>
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//#include <clib/exec_protos.h>
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#include <clib/alib_protos.h>
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//#include <clib/debug_protos.h>
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#include "sana2.h"
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#include "../pi-net-enums.h"
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#include <string.h>
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#include <stdint.h>
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#include <stdlib.h>
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#define STR(s) #s
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#define XSTR(s) STR(s)
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#define DEVICE_NAME "pi-net.device"
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#define DEVICE_DATE "(14 May 2021)"
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#define DEVICE_ID_STRING "Pi-NET " XSTR(DEVICE_VERSION) "." XSTR(DEVICE_REVISION) " " DEVICE_DATE
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#define DEVICE_VERSION 43
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#define DEVICE_REVISION 10
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#define DEVICE_PRIORITY 0
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#pragma pack(4)
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struct pinet_base {
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struct Device* pi_dev;
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struct Unit unit;
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uint8_t MAC[6];
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uint8_t IP[4];
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struct List read_list;
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struct SignalSemaphore read_list_sem;
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};
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struct ExecBase* SysBase = NULL;
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uint8_t *saved_seg_list;
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uint8_t is_open;
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#define WRITESHORT(cmd, val) *(unsigned short *)((unsigned long)(PINET_OFFSET + cmd)) = val;
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#define WRITELONG(cmd, val) *(unsigned long *)((unsigned long)(PINET_OFFSET + cmd)) = val;
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#define WRITEBYTE(cmd, val) *(unsigned char *)((unsigned long)(PINET_OFFSET + cmd)) = val;
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#define READBYTE(cmd, var) var = *(volatile unsigned char *)(PINET_OFFSET + cmd);
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#define READSHORT(cmd, var) var = *(volatile unsigned short *)(PINET_OFFSET + cmd);
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#define READLONG(cmd, var) var = *(volatile unsigned long *)(PINET_OFFSET + cmd);
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int __attribute__((no_reorder)) _start()
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{
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return -1;
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}
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asm("romtag: \n"
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" dc.w "XSTR(RTC_MATCHWORD)" \n"
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" dc.l romtag \n"
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" dc.l endcode \n"
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" dc.b "XSTR(RTF_AUTOINIT)" \n"
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" dc.b "XSTR(DEVICE_VERSION)" \n"
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" dc.b "XSTR(NT_DEVICE)" \n"
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" dc.b "XSTR(DEVICE_PRIORITY)" \n"
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" dc.l _device_name \n"
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" dc.l _device_id_string \n"
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" dc.l _auto_init_tables \n"
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"endcode: \n");
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char device_name[] = DEVICE_NAME;
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char device_id_string[] = DEVICE_ID_STRING;
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typedef struct BufferManagement
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{
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struct MinNode bm_Node;
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BOOL (*bm_CopyFromBuffer)(void* a __asm("a0"), void* b __asm("a1"), long c __asm("d0"));
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BOOL (*bm_CopyToBuffer)(void* a __asm("a0"), void* b __asm("a1"), long c __asm("d0"));
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} BufferManagement;
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struct pinet_base *dev_base = NULL;
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//#define exit(...)
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//#define debug(...)
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#define kprintf(...)
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static struct Library __attribute__((used)) *init_device(struct Device* dev) {
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uint8_t *p;
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uint32_t i;
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int32_t ok;
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// Unused variables
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if (ok || i || p) { }
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SysBase = *(struct ExecBase **)4L;
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kprintf("Initializing net device.\n");
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dev_base = AllocMem(sizeof(struct pinet_base), MEMF_PUBLIC | MEMF_CLEAR);
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dev_base->pi_dev = dev;
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kprintf("Grabbing MAC.\n");
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for (int i = 0; i < 6; i++) {
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READBYTE((PINET_CMD_MAC + i), dev_base->MAC[i]);
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}
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kprintf("Grabbing IP.\n");
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for (int i = 0; i < 4; i++) {
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READBYTE((PINET_CMD_IP + i), dev_base->IP[i]);
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}
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return (struct Library *)dev;
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}
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static uint8_t* __attribute__((used)) expunge(void) {
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kprintf("Cleaning up.\n");
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FreeMem(dev_base, sizeof(struct pinet_base));
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return 0;
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}
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static void __attribute__((used)) open(struct IORequest *io, uint32_t num, uint32_t flags) {
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struct IOSana2Req *ioreq = (struct IOSana2Req *)io;
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int32_t ok = 0, ret = IOERR_OPENFAIL;
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struct BufferManagement *bm;
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kprintf("Opening net device %ld.\n", num);
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dev_base->unit.unit_OpenCnt++;
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// Unused variables
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if (bm || ok) { }
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if (num == 0 && dev_base->unit.unit_OpenCnt == 1) {
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//kprintf("Trying to alloc buffer management.\n");
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//if ((bm = (struct BufferManagement*)AllocVec(sizeof(struct BufferManagement), MEMF_CLEAR | MEMF_PUBLIC))) {
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//kprintf("Setting up buffer copy funcs (1).\n");
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//bm->bm_CopyToBuffer = (BOOL *)GetTagData(S2_CopyToBuff, 0, (struct TagItem *)ioreq->ios2_BufferManagement);
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//kprintf("Setting up buffer copy funcs (2).\n");
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//bm->bm_CopyFromBuffer = (BOOL *)GetTagData(S2_CopyFromBuff, 0, (struct TagItem *)ioreq->ios2_BufferManagement);
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kprintf("Doing more things.\n");
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ioreq->ios2_BufferManagement = NULL;//(VOID *)bm;
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ioreq->ios2_Req.io_Error = 0;
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ioreq->ios2_Req.io_Unit = (struct Unit *)&dev_base->unit;
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ioreq->ios2_Req.io_Device = (struct Device *)dev_base->pi_dev;
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kprintf("New list.\n");
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NewList(&dev_base->read_list);
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InitSemaphore(&dev_base->read_list_sem);
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ret = 0;
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ok = 1;
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//}
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}
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if (ret == IOERR_OPENFAIL) {
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kprintf("Failed to open device. Already open?\n");
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}
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else {
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kprintf("Device opened, yay.\n");
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}
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ioreq->ios2_Req.io_Error = ret;
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ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_REPLYMSG;
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kprintf("Opened device, return code: %ld\n", ret);
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}
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static uint8_t* __attribute__((used)) close(struct IORequest *io) {
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return 0;
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}
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uint32_t pinet_read_frame(struct IOSana2Req *ioreq) {
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return 0;
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}
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void pinet_write_frame(struct IOSana2Req *ioreq) {
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}
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static void __attribute__((used)) begin_io(struct IORequest *io) {
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struct IOSana2Req *ioreq = (struct IOSana2Req *)io;
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ULONG unit = (ULONG)ioreq->ios2_Req.io_Unit;
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int mtu;
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ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_MESSAGE;
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ioreq->ios2_Req.io_Error = S2ERR_NO_ERROR;
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ioreq->ios2_WireError = S2WERR_GENERIC_ERROR;
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//D(("BeginIO command %ld unit %ld\n",(LONG)ioreq->ios2_Req.io_Command,unit));
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// Unused variables
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if (mtu || unit) {}
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switch( ioreq->ios2_Req.io_Command ) {
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case CMD_READ:
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kprintf("Read\n");
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if (pinet_read_frame(ioreq) != 0) {
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ioreq->ios2_Req.io_Error = S2ERR_BAD_ARGUMENT;
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ioreq->ios2_WireError = S2WERR_BUFF_ERROR;
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}
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ioreq = NULL;
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break;
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case S2_BROADCAST:
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kprintf("Broadcast\n");
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if (ioreq->ios2_DstAddr) {
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for (int i = 0; i < ADDRFIELDSIZE; i++) {
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ioreq->ios2_DstAddr[i] = 0xFF;
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}
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} else {
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kprintf("Invalid ios2_DstAddr\n");
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}
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/* Fallthrough */
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case CMD_WRITE: {
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kprintf("Write\n");
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pinet_write_frame(ioreq);
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break;
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}
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case S2_READORPHAN:
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ioreq->ios2_Req.io_Flags &= ~SANA2IOF_QUICK;
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ioreq = NULL;
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break;
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case S2_ONLINE:
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case S2_OFFLINE:
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case S2_CONFIGINTERFACE: /* forward request */
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break;
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case S2_GETSTATIONADDRESS:
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for (int i = 0; i < ADDRFIELDSIZE; i++) {
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ioreq->ios2_SrcAddr[i] = dev_base->MAC[i];
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ioreq->ios2_DstAddr[i] = dev_base->MAC[i];
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}
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break;
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case S2_DEVICEQUERY: {
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struct Sana2DeviceQuery *devquery;
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devquery = ioreq->ios2_StatData;
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devquery->DevQueryFormat = 0;
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devquery->DeviceLevel = 0;
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if (devquery->SizeAvailable >= 18)
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devquery->AddrFieldSize = ADDRFIELDSIZE * 8;
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if (devquery->SizeAvailable >= 22)
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devquery->MTU = 1500;
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if (devquery->SizeAvailable >= 26)
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devquery->BPS = 1000 * 1000 * 100;
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if (devquery->SizeAvailable >= 30)
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devquery->HardwareType = S2WireType_Ethernet;
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devquery->SizeSupplied = (devquery->SizeAvailable < 30) ? devquery->SizeAvailable : 30;
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break;
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}
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case S2_GETSPECIALSTATS: {
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struct Sana2SpecialStatHeader *s2ssh = (struct Sana2SpecialStatHeader *)ioreq->ios2_StatData;
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s2ssh->RecordCountSupplied = 0;
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break;
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}
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default: {
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uint8_t cmd = ioreq->ios2_Req.io_Command;
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if (cmd) {}
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kprintf("Unknown/unhandled IO command %lx\n", cmd);
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ioreq->ios2_Req.io_Error = S2ERR_NOT_SUPPORTED;
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ioreq->ios2_WireError = S2WERR_GENERIC_ERROR;
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break;
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}
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}
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if (ioreq) {
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if (!(ioreq->ios2_Req.io_Flags & SANA2IOF_QUICK)) {
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ReplyMsg((struct Message *)ioreq);
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} else {
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ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_REPLYMSG;
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}
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}
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}
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static uint32_t __attribute__((used)) abort_io(struct IORequest* ioreq) {
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struct IOSana2Req* ios2 = (struct IOSana2Req*)ioreq;
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if (!ioreq) return IOERR_NOCMD;
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ioreq->io_Error = IOERR_ABORTED;
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ios2->ios2_WireError = 0;
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return IOERR_ABORTED;
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}
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static uint32_t device_vectors[] = {
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(uint32_t)open,
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(uint32_t)close,
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(uint32_t)expunge,
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0,
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(uint32_t)begin_io,
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(uint32_t)abort_io,
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-1
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};
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const uint32_t auto_init_tables[4] = {
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sizeof(struct Library),
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(uint32_t)device_vectors,
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0,
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(uint32_t)init_device
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};
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