Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openbios / utils / devbios / procfs.c

diff --git a/qemu/roms/openbios/utils/devbios/procfs.c b/qemu/roms/openbios/utils/devbios/procfs.c
new file mode 100644 (file)
index 0000000..12ad17e
--- /dev/null
+++ b/qemu/roms/openbios/utils/devbios/procfs.c
@@ -0,0 +1,162 @@
+/*
+ *                     OpenBIOS - free your system! 
+ *              ( firmware/flash device driver for Linux )
+ *                          
+ *  procfs.c - proc filesystem handling for flash device listing.  
+ *  
+ *  This program is part of a free implementation of the IEEE 1275-1994 
+ *  Standard for Boot (Initialization Configuration) Firmware.
+ *
+ *  Copyright (C) 1998-2004  Stefan Reinauer, <stepan@openbios.org>
+ *
+ *  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; version 2 of the License.
+ *
+ *  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., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) && defined(MODVERSIONS)
+#include <linux/modversions.h>
+#endif
+#include <linux/proc_fs.h>
+
+#ifdef CONFIG_PROC_FS
+#include "bios.h"
+#include "pcisets.h"
+#include "flashchips.h"
+#include "programming.h"
+
+struct proc_dir_entry *proc_bios;
+
+#define PRINT_PROC(fmt,args...)                                \
+       do {                                                    \
+               if (!run)                                       \
+                       break;                                  \
+               len += sprintf( buffer+len, fmt, ##args );      \
+               if (begin + len > offset + size)                \
+                       run=0;                                  \
+               else if (begin + len < offset) {                \
+                       begin += len;                           \
+                       len = 0;                                \
+               }                                               \
+       } while (0)
+
+/*
+ * ******************************************
+ *
+ *     /proc/bios handling
+ *
+ * ****************************************** 
+ */
+
+#define CFLASH flashdevices[i]
+#define FLASH  flashchips[CFLASH.flashnum]
+#define MANUF  manufacturers[CFLASH.manufnum]
+
+int bios_read_proc(char *buffer, char **start, off_t offset, int size, int *eof, void *data)
+{
+       int len=0, run=1, i;
+       off_t begin = 0;
+
+       for (i=0;i<flashcount;i++) {
+#ifdef DEBUG_PROC
+               printk(KERN_DEBUG "BIOS: processing proc info for "
+                               "flashchip %d\n",i+1);
+#endif
+               if (i) /* empty line is seperator between flash chips */
+                       PRINT_PROC("\n");
+               
+               PRINT_PROC("Memory Address  : 0x%08lx\n", 
+                               (unsigned long)CFLASH.physical);
+               PRINT_PROC("Memory Size     : %d kByte\n", CFLASH.size>>10);
+               PRINT_PROC("Flash Type      : ");
+               
+               if (CFLASH.id == 0) {
+                       PRINT_PROC("ROM\n");
+                       continue;
+               }
+               
+               /* Flash chip completely unknown -> output ID and proceed */
+               if (FLASH.id == 0) {
+                       PRINT_PROC("unknown %s device (id 0x%04x)\n",
+                                               MANUF.name, CFLASH.id);
+                       PRINT_PROC("Supported       : no\n");
+                       continue;
+               }
+               
+               PRINT_PROC("%s %s (%dV)\n", MANUF.name, 
+                               FLASH.name, FLASH.voltage);
+
+               PRINT_PROC("Supported       : %s\n",
+                               FLASH.supported ? "yes": "no");
+#ifdef DEBUG
+               PRINT_PROC("Pagetable       : %d Byte\n", FLASH.pagesize );
+
+               PRINT_PROC("Erase first     : %s\n",
+                               FLASH.flags & f_needs_erase ? "yes": "no");
+                       
+               PRINT_PROC("Intel compliant : %s\n",
+                               FLASH.flags & f_intel_compl ? "yes": "no");
+
+               PRINT_PROC("FWH compliant   : %s\n",
+                               FLASH.flags & f_fwh_compl ? "yes": "no");
+                               
+               if (CFLASH.sectors > 1)
+                       PRINT_PROC("Sectors         : %d\n", CFLASH.sectors);
+#endif
+       }
+#ifdef DEBUG_PROC
+       printk(KERN_DEBUG "BIOS: read_proc done.\n");
+#endif
+       /* set to 1 if we're done */
+       *eof=run;
+
+       if (offset >= begin + len)
+               return 0;
+
+       *start = buffer + (begin - offset);
+
+       return (size < begin + len - offset ? size : begin + len - offset);     
+}
+#undef FLASH
+#undef MANUF
+#undef CFLASH
+
+#ifdef PROC_WRITEABLE
+int bios_write_proc(struct file *file, const char *buffer, unsigned long count, void *data)
+{
+  printk (KERN_INFO "%s\n",buffer);
+  return count;
+}
+#endif
+
+int bios_proc_register(void)
+{
+       if ((proc_bios = create_proc_entry("bios", 0, 0))) {
+               proc_bios->read_proc = bios_read_proc;
+#ifdef PROC_WRITABLE
+               proc_bios->write_proc = bios_write_proc;
+#endif
+               return 0;
+       }
+       return 1;
+}
+
+int bios_proc_unregister(void)
+{
+        if (proc_bios)
+                remove_proc_entry("bios", 0);
+       return 0;
+}
+#endif