From: John Hodge (sonata) <tpg@mutabah.net>
Date: Thu, 6 Nov 2014 23:11:36 +0000 (+0800)
Subject: AcessNative - Hexdump sycall, stub shm
X-Git-Url: https://git.ucc.asn.au/?p=tpg%2Facess2.git;a=commitdiff_plain;h=63895b4261593e7891a28db441a54615d0374c8b

AcessNative - Hexdump sycall, stub shm
---

diff --git a/AcessNative/RunNative b/AcessNative/RunNative
index 255cf83f..f22ed7fe 100755
--- a/AcessNative/RunNative
+++ b/AcessNative/RunNative
@@ -1,14 +1,29 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Execute the specified root application using the ARCH=native build
 #
 _=$PWD; cd $(dirname $0); DIR=$PWD; cd $_
 DISTROOT=$(dirname $DIR)/Usermode/Output/native/
 VTERM=/Devices/pts/vt0
+echo $DISTROOT
+
+KERNEL_PID=$$
+function cleanup {
+	trap '' SIGINT
+	echo Cleaning up $KERNEL_PID
+	kill $KERNEL_PID
+}
+
+trap cleanup SIGINT
 
 # 1. Start up AcessKernel
 # - Set DISTROOT to the output directory of ARCH=native
 # - Don't start a root application
-${DIR}/AcessKernel --distroot $DISTROOT > ${DIR}/log/native_AcessKernel.log &
+${DIR}/AcessKernel --distroot $DISTROOT > ${DIR}/log/native_AcessKernel.log 2>&1 &
+KERNEL_PID=$!
+echo Kernel is $KERNEL_PID
 sleep 1
 LD_LIBRARY_PATH=${DIR}:${DISTROOT}Libs AN_PREOPEN=$VTERM:$VTERM:$VTERM ${DBG} ${DISTROOT}Apps/AxWin/4.0/AxWinServer
+
+cleanup
+
diff --git a/AcessNative/acesskernel_src/Makefile b/AcessNative/acesskernel_src/Makefile
index a55910cf..11976045 100644
--- a/AcessNative/acesskernel_src/Makefile
+++ b/AcessNative/acesskernel_src/Makefile
@@ -21,7 +21,7 @@ KERNEL_OBJ += mutex.o semaphore.o rwlock.o workqueue.o events.o
 KERNEL_OBJ += vfs/main.o vfs/open.o vfs/acls.o vfs/io.o vfs/dir.o
 KERNEL_OBJ += vfs/nodecache.o vfs/mount.o vfs/memfile.o vfs/select.o
 KERNEL_OBJ += vfs/fs/root.o vfs/fs/devfs.o
-KERNEL_OBJ += drv/fifo.o drv/proc.o drv/dgram_pipe.o	# drv/shm.o
+KERNEL_OBJ += drv/fifo.o drv/proc.o drv/dgram_pipe.o
 KERNEL_OBJ += drv/vterm.o drv/vterm_font.o drv/vterm_output.o drv/vterm_input.o drv/vterm_termbuf.o
 KERNEL_OBJ += drv/vterm_vt100.o drv/vterm_2d.o
 KERNEL_OBJ += drv/pty.o
@@ -30,6 +30,7 @@ N_OBJ := main.o net_wrap.o
 # - Local objects (use the kernel includes)
 OBJ := helpers.o threads.o threads_glue.o server.o syscalls.o time.o
 OBJ += video.o keyboard.o mouse.o nativefs.o vfs_handle.o ui_sdl.o
+#OBJ += shm.o
 OBJ += net.o syscall_getpath.o
 
 BUILDINFO_OBJ := obj-$(PLATFORM)/buildinfo.o
diff --git a/AcessNative/ld-acess_src/exports.c b/AcessNative/ld-acess_src/exports.c
index 10dc7bde..62451ece 100644
--- a/AcessNative/ld-acess_src/exports.c
+++ b/AcessNative/ld-acess_src/exports.c
@@ -53,7 +53,13 @@ int acess__SysOpen(const char *Path, unsigned int Flags)
 {
 	if( strncmp(Path, "$$$$", 4) == 0 )
 	{
-		return native_open(Path, Flags) | NATIVE_FILE_MASK;
+		return native_open(Path+4, Flags) | NATIVE_FILE_MASK;
+	}
+	if( strncmp(Path, "/Devices/shm/", 13) == 0 )
+	{
+		const char* tag = Path + 13;
+		Warning("TODO: Handle open SHM \"%s\"", tag);
+		return native_shm(tag, Flags) | NATIVE_FILE_MASK;
 	}
 	SYSTRACE("open(\"%s\", 0x%x)", Path, Flags);
 	return _Syscall(SYS_OPEN, ">s >i", Path, Flags);
@@ -442,19 +448,69 @@ int acess__SysWaitEvent(int Mask)
 }
 
 // --- Logging
+static void int_dbgheader(void )
+{
+	printf("[_SysDebug %i] ", giSyscall_ClientID);
+}
 void acess__SysDebug(const char *Format, ...)
 {
 	va_list	args;
 	
 	va_start(args, Format);
-	
-	printf("[_SysDebug %i] ", giSyscall_ClientID);
+	int_dbgheader();	
 	vprintf(Format, args);
 	printf("\n");
 	
 	va_end(args);
 }
 
+void acess__SysDebugHex(const char *tag, const void *data, size_t size)
+{
+	int_dbgheader();	
+	printf("%s (Hexdump of %p+%zi)\r\n", tag, data, size);
+
+	#define	CH(n)	((' '<=cdat[(n)]&&cdat[(n)]<0x7F) ? cdat[(n)] : '.')
+
+	const uint8_t	*cdat = data;
+	unsigned int	pos = 0;
+
+	while(size >= 16)
+	{
+		int_dbgheader();
+		printf("%04x:"
+			" %02x %02x %02x %02x %02x %02x %02x %02x "
+			" %02x %02x %02x %02x %02x %02x %02x %02x "
+			" %c%c%c%c%c%c%c%c %c%c%c%c%c%c%c%c\r\n",
+			pos,
+			cdat[ 0], cdat[ 1], cdat[ 2], cdat[ 3], cdat[ 4], cdat[ 5], cdat[ 6], cdat[ 7],
+			cdat[ 8], cdat[ 9], cdat[10], cdat[11], cdat[12], cdat[13], cdat[14], cdat[15],
+			CH(0),	CH(1),	CH(2),	CH(3),	CH(4),	CH(5),	CH(6),	CH(7),
+			CH(8),	CH(9),	CH(10),	CH(11),	CH(12),	CH(13),	CH(14),	CH(15)
+			);
+		size -= 16;
+		cdat += 16;
+		pos += 16;
+	}
+
+	{
+		int_dbgheader();
+		printf("%04x: ", pos);
+		for(int i = 0; i < size; i ++)
+			printf("%02x ", cdat[i]);
+		for(int i = size; i < 16; i ++)
+			printf("   ");
+		printf(" ");
+		for(int i = 0; i < size; i ++)
+		{
+			if( i == 8 )
+				printf(" ");
+			printf("%c", CH(i));
+		}
+	
+		printf("\n");
+	}
+}
+
 void acess__exit(int Status)
 {
 	DEBUG("_exit(%i)", Status);
@@ -514,6 +570,8 @@ const tSym	caBuiltinSymbols[] = {
 	DEFSYM(_SysSetMemFlags),
 	DEFSYM(_SysDebug),
 	{"_ZN4_sys5debugEPKcz", &acess__SysDebug},
+	DEFSYM(_SysDebugHex),
+	{"_ZN4_sys7hexdumpEPKcPKvj", &acess__SysDebugHex},
 	DEFSYM(_SysSetFaultHandler),
 	DEFSYM(_SysWaitEvent),
 	
diff --git a/AcessNative/ld-acess_src/exports.h b/AcessNative/ld-acess_src/exports.h
index e8f2e4c8..788e0d27 100644
--- a/AcessNative/ld-acess_src/exports.h
+++ b/AcessNative/ld-acess_src/exports.h
@@ -17,6 +17,7 @@ extern uint64_t	_Syscall(int SyscallID, const char *ArgTypes, ...);
 extern int	acess__errno;
 
 extern int	native_open(const char *Path, int Flags);
+extern int	native_shm(const char *Tag, int Flags);
 extern void	native_close(int FD);
 extern size_t	native_read(int FD, void *Dest, size_t Bytes);
 extern size_t	native_write(int FD, const void *Src, size_t Bytes);
diff --git a/AcessNative/ld-acess_src/syscalls.c b/AcessNative/ld-acess_src/syscalls.c
index 98229728..965cc4ae 100644
--- a/AcessNative/ld-acess_src/syscalls.c
+++ b/AcessNative/ld-acess_src/syscalls.c
@@ -290,18 +290,40 @@ uint64_t _Syscall(int SyscallID, const char *ArgTypes, ...)
 	return retValue;
 }
 
+int native_int_getfd(void)
+{
+	for(int ret = 0; ret < MAX_FPS; ret ++ )
+		if( gaSyscall_LocalFPs[ret] == NULL )
+			return ret;
+	return -1;
+}
 
 int native_open(const char *Path, int Flags)
 {
-	int	ret;
-       for(ret = 0; ret < MAX_FPS && gaSyscall_LocalFPs[ret]; ret ++ )	;
-       if(ret == MAX_FPS)	return -1;
+	int	ret = native_int_getfd();
+	if(ret == -1)	return -1;
        // TODO: Handle directories
-       gaSyscall_LocalFPs[ret] = fopen(&Path[4], "r+");
+       gaSyscall_LocalFPs[ret] = fopen(Path, "r+");
        if(!gaSyscall_LocalFPs[ret])	return -1;
        return ret;
 }
 
+int native_shm(const char *Tag, int Flags)
+{
+	// int ret = native_int_getfd();
+	//if(ret == -1)	return -1;
+	//if( strcmp(Tag, "anon") == 0 )
+	//	path = "/AcessNative/anon/RAND";
+	//	FD = shm_open(path, O_RDWD);
+	//shm_unlink(path);
+	//else
+	//	path = "/Acessnative/named/<TAG>";
+	// int FD = shm_open(path, O_RDWD);
+	//shm_unlink(path);
+	//gaSyscall_LocalFPs[ret] = 
+	return -1;
+}
+
 void native_close(int FD)
 {
 	fclose( gaSyscall_LocalFPs[FD] );
diff --git a/AcessNative/libacess-native.so_src/exports.c b/AcessNative/libacess-native.so_src/exports.c
index 0f71f212..ad5aac49 100644
--- a/AcessNative/libacess-native.so_src/exports.c
+++ b/AcessNative/libacess-native.so_src/exports.c
@@ -11,6 +11,7 @@ int *libc_geterrno(void)
 }
 
 void _ZN4_sys5debugEPKcz(const char *fmt, ...)	__attribute__((alias("acess__SysDebug")));
+void _ZN4_sys7hexdumpEPKcPKvj(const char *tag, const void *ptr, size_t size) __attribute__((alias("acess__SysDebugHex")));
 
 #undef acess__SysSpawn