OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	11/17/2022 06:42:16 AM	rwxr-xr-x
📄 Kbuild	610 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 agp.h	596 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-offsets.h	35 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asmregs.h	3.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 assembly.h	12.94 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 atomic.h	8.24 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 barrier.h	2.44 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 bitops.h	5.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bug.h	2.35 KB	01/28/2018 09:20:33 PM	rw-r--r--
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📄 cache.h	1.59 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cacheflush.h	4.06 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 checksum.h	5.48 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmpxchg.h	3.62 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 compat.h	6.52 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 compat_ucontext.h	591 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 delay.h	533 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	2.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma.h	5.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dwarf.h	602 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 eisa_bus.h	702 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 eisa_eeprom.h	4.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 elf.h	14.31 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 fb.h	403 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fixmap.h	1.15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 floppy.h	6.61 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ftrace.h	379 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 futex.h	2.66 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 grfioctl.h	4.68 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hardirq.h	1.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hardware.h	4.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hash.h	5.07 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hugetlb.h	1.67 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ide.h	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 io.h	8.14 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq.h	1.23 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	1.02 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kbdleds.h	477 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 kmap_types.h	221 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 ldcw.h	2.15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 led.h	1.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 linkage.h	759 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 machdep.h	349 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mckinley.h	270 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu.h	195 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu_context.h	2.08 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmzone.h	1.51 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 module.h	527 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	5.42 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 parisc-device.h	1.92 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 parport.h	358 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pci.h	6.57 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pdc.h	3.93 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pdc_chassis.h	15.06 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pdcpat.h	15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 perf.h	1.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 perf_event.h	152 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	4.22 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	18.92 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 prefetch.h	1.12 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 processor.h	9.86 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 psw.h	2.39 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ptrace.h	803 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 ropes.h	9.73 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 rt_sigframe.h	745 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 runway.h	320 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 sections.h	283 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 serial.h	124 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 shmparam.h	263 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal.h	841 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp.h	1.25 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 socket.h	311 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 special_insns.h	1015 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock.h	4.02 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 spinlock_types.h	483 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	247 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 superio.h	3.25 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 switch_to.h	332 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	1.4 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 termios.h	1.72 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	3.15 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 timex.h	372 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 tlb.h	672 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlbflush.h	2.63 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 topology.h	900 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 traps.h	468 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 uaccess.h	6.55 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ucontext.h	327 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 unaligned.h	472 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 unistd.h	5.47 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 unwind.h	2.56 KB	01/28/2018 09:20:33 PM	rw-r--r--

Editing: floppy.h

/*    Architecture specific parts of the Floppy driver
 *
 *    Linux/PA-RISC Project (http://www.parisc-linux.org/)
 *    Copyright (C) 2000 Matthew Wilcox (willy a debian . org)
 *    Copyright (C) 2000 Dave Kennedy
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#ifndef __ASM_PARISC_FLOPPY_H
#define __ASM_PARISC_FLOPPY_H

#include <linux/vmalloc.h>

/*
 * The DMA channel used by the floppy controller cannot access data at
 * addresses >= 16MB
 *
 * Went back to the 1MB limit, as some people had problems with the floppy
 * driver otherwise. It doesn't matter much for performance anyway, as most
 * floppy accesses go through the track buffer.
 */
#define _CROSS_64KB(a,s,vdma) \
(!(vdma) && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64))

#define CROSS_64KB(a,s) _CROSS_64KB(a,s,use_virtual_dma & 1)

#define SW fd_routine[use_virtual_dma&1]
#define CSW fd_routine[can_use_virtual_dma & 1]

#define fd_inb(port)			readb(port)
#define fd_outb(value, port)		writeb(value, port)

#define fd_request_dma()        CSW._request_dma(FLOPPY_DMA,"floppy")
#define fd_free_dma()           CSW._free_dma(FLOPPY_DMA)
#define fd_enable_irq()         enable_irq(FLOPPY_IRQ)
#define fd_disable_irq()        disable_irq(FLOPPY_IRQ)
#define fd_free_irq()		free_irq(FLOPPY_IRQ, NULL)
#define fd_get_dma_residue()    SW._get_dma_residue(FLOPPY_DMA)
#define fd_dma_mem_alloc(size)	SW._dma_mem_alloc(size)
#define fd_dma_setup(addr, size, mode, io) SW._dma_setup(addr, size, mode, io)

#define FLOPPY_CAN_FALLBACK_ON_NODMA

static int virtual_dma_count=0;
static int virtual_dma_residue=0;
static char *virtual_dma_addr=0;
static int virtual_dma_mode=0;
static int doing_pdma=0;

static void floppy_hardint(int irq, void *dev_id, struct pt_regs * regs)
{
	register unsigned char st;

#undef TRACE_FLPY_INT

#ifdef TRACE_FLPY_INT
	static int calls=0;
	static int bytes=0;
	static int dma_wait=0;
#endif
	if (!doing_pdma) {
		floppy_interrupt(irq, dev_id, regs);
		return;
	}

#ifdef TRACE_FLPY_INT
	if(!calls)
		bytes = virtual_dma_count;
#endif

{
		register int lcount;
		register char *lptr = virtual_dma_addr;

for (lcount = virtual_dma_count; lcount; lcount--) {
			st = fd_inb(virtual_dma_port+4) & 0xa0 ;
			if (st != 0xa0) 
				break;
			if (virtual_dma_mode) {
				fd_outb(*lptr, virtual_dma_port+5);
			} else {
				*lptr = fd_inb(virtual_dma_port+5);
			}
			lptr++;
		}
		virtual_dma_count = lcount;
		virtual_dma_addr = lptr;
		st = fd_inb(virtual_dma_port+4);
	}

#ifdef TRACE_FLPY_INT
	calls++;
#endif
	if (st == 0x20)
		return;
	if (!(st & 0x20)) {
		virtual_dma_residue += virtual_dma_count;
		virtual_dma_count = 0;
#ifdef TRACE_FLPY_INT
		printk("count=%x, residue=%x calls=%d bytes=%d dma_wait=%d\n", 
		       virtual_dma_count, virtual_dma_residue, calls, bytes,
		       dma_wait);
		calls = 0;
		dma_wait=0;
#endif
		doing_pdma = 0;
		floppy_interrupt(irq, dev_id, regs);
		return;
	}
#ifdef TRACE_FLPY_INT
	if (!virtual_dma_count)
		dma_wait++;
#endif
}

static void fd_disable_dma(void)
{
	if(! (can_use_virtual_dma & 1))
		disable_dma(FLOPPY_DMA);
	doing_pdma = 0;
	virtual_dma_residue += virtual_dma_count;
	virtual_dma_count=0;
}

static int vdma_request_dma(unsigned int dmanr, const char * device_id)
{
	return 0;
}

static void vdma_nop(unsigned int dummy)
{
}

static int vdma_get_dma_residue(unsigned int dummy)
{
	return virtual_dma_count + virtual_dma_residue;
}

static int fd_request_irq(void)
{
	if(can_use_virtual_dma)
		return request_irq(FLOPPY_IRQ, floppy_hardint,
				   0, "floppy", NULL);
	else
		return request_irq(FLOPPY_IRQ, floppy_interrupt,
				   0, "floppy", NULL);
}

static unsigned long dma_mem_alloc(unsigned long size)
{
	return __get_dma_pages(GFP_KERNEL, get_order(size));
}

static unsigned long vdma_mem_alloc(unsigned long size)
{
	return (unsigned long) vmalloc(size);

}

#define nodma_mem_alloc(size) vdma_mem_alloc(size)

static void _fd_dma_mem_free(unsigned long addr, unsigned long size)
{
	if((unsigned int) addr >= (unsigned int) high_memory)
		return vfree((void *)addr);
	else
		free_pages(addr, get_order(size));		
}

#define fd_dma_mem_free(addr, size)  _fd_dma_mem_free(addr, size)

static void _fd_chose_dma_mode(char *addr, unsigned long size)
{
	if(can_use_virtual_dma == 2) {
		if((unsigned int) addr >= (unsigned int) high_memory ||
		   virt_to_bus(addr) >= 0x1000000 ||
		   _CROSS_64KB(addr, size, 0))
			use_virtual_dma = 1;
		else
			use_virtual_dma = 0;
	} else {
		use_virtual_dma = can_use_virtual_dma & 1;
	}
}

#define fd_chose_dma_mode(addr, size) _fd_chose_dma_mode(addr, size)

static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io)
{
	doing_pdma = 1;
	virtual_dma_port = io;
	virtual_dma_mode = (mode  == DMA_MODE_WRITE);
	virtual_dma_addr = addr;
	virtual_dma_count = size;
	virtual_dma_residue = 0;
	return 0;
}

static int hard_dma_setup(char *addr, unsigned long size, int mode, int io)
{
#ifdef FLOPPY_SANITY_CHECK
	if (CROSS_64KB(addr, size)) {
		printk("DMA crossing 64-K boundary %p-%p\n", addr, addr+size);
		return -1;
	}
#endif
	/* actual, physical DMA */
	doing_pdma = 0;
	clear_dma_ff(FLOPPY_DMA);
	set_dma_mode(FLOPPY_DMA,mode);
	set_dma_addr(FLOPPY_DMA,virt_to_bus(addr));
	set_dma_count(FLOPPY_DMA,size);
	enable_dma(FLOPPY_DMA);
	return 0;
}

static struct fd_routine_l {
	int (*_request_dma)(unsigned int dmanr, const char * device_id);
	void (*_free_dma)(unsigned int dmanr);
	int (*_get_dma_residue)(unsigned int dummy);
	unsigned long (*_dma_mem_alloc) (unsigned long size);
	int (*_dma_setup)(char *addr, unsigned long size, int mode, int io);
} fd_routine[] = {
	{
		request_dma,
		free_dma,
		get_dma_residue,
		dma_mem_alloc,
		hard_dma_setup
	},
	{
		vdma_request_dma,
		vdma_nop,
		vdma_get_dma_residue,
		vdma_mem_alloc,
		vdma_dma_setup
	}
};

static int FDC1 = 0x3f0; /* Lies.  Floppy controller is memory mapped, not io mapped */
static int FDC2 = -1;

#define FLOPPY0_TYPE	0
#define FLOPPY1_TYPE	0

#define N_FDC 1
#define N_DRIVE 8

#define EXTRA_FLOPPY_PARAMS

#endif /* __ASM_PARISC_FLOPPY_H */