From 4755a14b58a1c7934eb11a95c8df4d569e023f8a Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Wed, 8 Aug 2012 11:25:02 +0800
Subject: [PATCH] Usermode/lspci - Recreated without the huge database of
 vendors

---
 Usermode/Applications/lspci_src/Makefile | 10 ++++
 Usermode/Applications/lspci_src/main.c   | 72 ++++++++++++++++++++++++
 2 files changed, 82 insertions(+)
 create mode 100644 Usermode/Applications/lspci_src/Makefile
 create mode 100644 Usermode/Applications/lspci_src/main.c

diff --git a/Usermode/Applications/lspci_src/Makefile b/Usermode/Applications/lspci_src/Makefile
new file mode 100644
index 00000000..b0c5e4fb
--- /dev/null
+++ b/Usermode/Applications/lspci_src/Makefile
@@ -0,0 +1,10 @@
+# Project: PCI Device Listing
+
+-include ../Makefile.cfg
+
+LDFLAGS += 
+
+OBJ = main.o
+BIN = lspci
+
+-include ../Makefile.tpl
diff --git a/Usermode/Applications/lspci_src/main.c b/Usermode/Applications/lspci_src/main.c
new file mode 100644
index 00000000..c24fde9d
--- /dev/null
+++ b/Usermode/Applications/lspci_src/main.c
@@ -0,0 +1,72 @@
+/*
+ * Acess2 lspci
+ * - By John Hodge (thePowersGang)
+ *
+ * main.c
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <acess/sys.h>
+
+#define PCI_BASE	"/Devices/pci"
+// === PROTOTYPES ===
+ int	main(int argc, char *argv[]);
+void	show_device(int PFD, const char *File, int bVerbose);
+
+// === CODE ===
+int main(int argc, char *argv[])
+{
+	int fd = open(PCI_BASE, OPENFLAG_READ);
+
+	char name[256];	
+
+	while( SysReadDir(fd, name) )
+	{
+		if(name[0] == '.')	continue ;
+		
+		show_device(fd, name, 0);
+	}
+
+	return 0;
+}
+
+void show_device(int PFD, const char *File, int bVerbose)
+{
+	 int	fd;
+	 int	rv;
+
+	struct {
+		uint16_t	vendor;
+		uint16_t	device;
+		uint32_t	_unused;
+		uint32_t	revclass;
+	} pciinfo;
+
+	fd = _SysOpenChild(PFD, File, OPENFLAG_READ);
+	if( fd == -1 ) {
+		printf("%s - ERR (open failure)\n", File);
+		return ;
+	}
+	rv = read(fd, &pciinfo, sizeof(pciinfo));
+	if( rv != sizeof(pciinfo) ) {
+		printf("%s - ERR (read %i < %i)\n", File, rv, sizeof(pciinfo));
+		close(fd);
+		return ;
+	}
+	uint32_t	class_if = pciinfo.revclass >> 8;
+	uint8_t 	revision = pciinfo.revclass & 0xFF;
+	printf("%s - %04x:%04x %06x:%02x\n",
+		File,
+		pciinfo.vendor, pciinfo.device,
+		class_if, revision
+		);
+
+	if( bVerbose )
+	{
+		printf("\n");
+	}
+
+	close(fd);
+}
+
-- 
2.20.1