1 files changed, 119 insertions, 0 deletions
diff --git a/qemu/roms/openbios/arch/ppc/mol/osi-blk.c b/qemu/roms/openbios/arch/ppc/mol/osi-blk.c
new file mode 100644
index 000000000..4ed1b5ab3
--- /dev/null
+++ b/qemu/roms/openbios/arch/ppc/mol/osi-blk.c
@@ -0,0 +1,119 @@
+/*
+ *   Creation Date: <2003/12/07 19:08:33 samuel>
+ *   Time-stamp: <2004/01/07 19:38:36 samuel>
+ *
+ *	<osi-blk.c>
+ *
+ *	OSI-block interface
+ *
+ *   Copyright (C) 2003, 2004 Samuel Rydh (samuel@ibrium.se)
+ *
+ *   This program is free software; you can redistribute it and/or
+ *   modify it under the terms of the GNU General Public License
+ *   version 2
+ *
+ */
+
+#include "config.h"
+#include "libopenbios/bindings.h"
+#include "mol/mol.h"
+#include "osi_calls.h"
+
+typedef struct {
+	int	unit;
+	int	channel;
+} osiblk_data_t;
+
+
+DECLARE_NODE( osiblk, INSTALL_OPEN, sizeof(osiblk_data_t),
+	      "/pci/pci-bridge/mol-blk/disk", "/mol/mol-blk" );
+
+
+static void
+osiblk_open( osiblk_data_t *pb )
+{
+	phandle_t ph;
+
+	fword("my-unit");
+	pb->unit = POP();
+	pb->channel = 0;	/* FIXME */
+
+	selfword("open-deblocker");
+
+	/* interpose disk-label */
+	ph = find_dev("/packages/disk-label");
+	fword("my-args");
+	PUSH_ph( ph );
+	fword("interpose");
+
+	/* printk("osi-blk: open %d\n", pb->unit ); */
+	PUSH( -1 );
+}
+
+static void
+osiblk_close( osiblk_data_t *pb )
+{
+	selfword("close-deblocker");
+}
+
+
+/* ( buf blk nblks -- actual ) */
+static void
+osiblk_read_blocks( osiblk_data_t *pb )
+{
+	int i, n = POP();
+	int blk = POP();
+	char *dest = (char*)POP();
+
+	/* printk("osiblk_read_blocks %x block=%d n=%d\n", (int)dest, blk, n ); */
+
+	for( i=0; i<n; ) {
+		char buf[4096];
+		int m = MIN( n-i, sizeof(buf)/512 );
+
+		if( OSI_ABlkSyncRead(pb->channel, pb->unit, blk+i, (int)buf, m*512) < 0 ) {
+			printk("SyncRead: error\n");
+			RET(0);
+		}
+		memcpy( dest, buf, m * 512 );
+		i += m;
+		dest += m * 512;
+	}
+	PUSH( n );
+}
+
+/* ( -- bs ) */
+static void
+osiblk_block_size( osiblk_data_t *pb )
+{
+	PUSH( 512 );
+}
+
+/* ( -- maxbytes ) */
+static void
+osiblk_max_transfer( osiblk_data_t *pb )
+{
+	PUSH( 1024*1024 );
+}
+
+static void
+osiblk_initialize( osiblk_data_t *pb )
+{
+	fword("is-deblocker");
+}
+
+
+NODE_METHODS( osiblk ) = {
+	{ NULL,			osiblk_initialize	},
+	{ "open",		osiblk_open		},
+	{ "close",		osiblk_close		},
+	{ "read-blocks",	osiblk_read_blocks	},
+	{ "block-size",		osiblk_block_size	},
+	{ "max-transfer",	osiblk_max_transfer	},
+};
+
+void
+osiblk_init( void )
+{
+	REGISTER_NODE( osiblk );
+}