Merge branch 'sandbox' of git://git.denx.de/u-boot-x86

arch/sandbox/cpu/os.c

@@ -341,6 +341,7 @@ int os_dirent_ls(const char *dirname, struct os_dirent_node **headp)
 			ret = -ENOMEM;
 			goto done;
 		}
+		next->next = NULL;
 		strcpy(next->name, entry.d_name);
 		switch (entry.d_type) {
 		case DT_REG:

arch/sandbox/include/asm/bitops.h

@@ -17,6 +17,7 @@
 #ifndef __ASM_SANDBOX_BITOPS_H
 #define __ASM_SANDBOX_BITOPS_H
 
+#include <linux/compiler.h>
 #include <asm/system.h>
 
 #ifdef __KERNEL__
@@ -53,7 +54,7 @@ static inline int __test_and_set_bit(int nr, void *addr)
 
 static inline int test_and_set_bit(int nr, void *addr)
 {
-	unsigned long flags;
+	unsigned long __always_unused flags;
 	int out;
 
 	local_irq_save(flags);
@@ -75,7 +76,7 @@ static inline int __test_and_clear_bit(int nr, void *addr)
 
 static inline int test_and_clear_bit(int nr, void *addr)
 {
-	unsigned long flags;
+	unsigned long __always_unused flags;
 	int out;
 
 	local_irq_save(flags);

arch/sandbox/include/asm/system.h

@@ -8,10 +8,7 @@
 #define __ASM_SANDBOX_SYSTEM_H
 
 /* Define this as nops for sandbox architecture */
-static inline void local_irq_save(unsigned flags __attribute__((unused)))
-{
-}
-
+#define local_irq_save(x)
 #define local_irq_enable()
 #define local_irq_disable()
 #define local_save_flags(x)

arch/x86/config.mk

@@ -16,17 +16,18 @@ PF_CPPFLAGS_X86   := $(call cc-option, -fno-toplevel-reorder, \
 PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86)
 PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
 PLATFORM_CPPFLAGS += -DREALMODE_BASE=0x7c0
+PLATFORM_CPPFLAGS += -march=i386 -m32
 
 # Support generic board on x86
 __HAVE_ARCH_GENERIC_BOARD := y
 
 PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
 
-PLATFORM_LDFLAGS += --emit-relocs -Bsymbolic -Bsymbolic-functions
+PLATFORM_LDFLAGS += --emit-relocs -Bsymbolic -Bsymbolic-functions -m elf_i386
 
 LDFLAGS_FINAL += --gc-sections -pie
 LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3
 LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3
 
-export NORMAL_LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
+export NORMAL_LIBGCC = $(shell $(CC) $(PLATFORM_CPPFLAGS) -print-libgcc-file-name)
 CONFIG_USE_PRIVATE_LIBGCC := arch/x86/lib

arch/x86/cpu/config.mk

@@ -7,7 +7,7 @@
 
 CROSS_COMPILE ?= i386-linux-
 
-PLATFORM_CPPFLAGS += -DCONFIG_X86 -D__I386__ -march=i386 -Werror
+PLATFORM_CPPFLAGS += -DCONFIG_X86 -D__I386__ -Werror
 
 # DO NOT MODIFY THE FOLLOWING UNLESS YOU REALLY KNOW WHAT YOU ARE DOING!
 LDPPFLAGS += -DRESET_SEG_START=0xffff0000

common/cmd_sandbox.c

@@ -114,11 +114,13 @@ static int do_sandbox(cmd_tbl_t *cmdtp, int flag, int argc,
 U_BOOT_CMD(
 	sb,	8,	1,	do_sandbox,
 	"Miscellaneous sandbox commands",
-	"load host <dev> <addr> <filename> [<bytes> <offset>]  - "
+	"load hostfs - <addr> <filename> [<bytes> <offset>]  - "
 		"load a file from host\n"
-	"sb ls host <filename>                      - list files on host\n"
-	"sb save host <dev> <filename> <addr> <bytes> [<offset>] - "
+	"sb ls hostfs - <filename>                    - list files on host\n"
+	"sb save hostfs - <filename> <addr> <bytes> [<offset>] - "
 		"save a file to host\n"
 	"sb bind <dev> [<filename>] - bind \"host\" device to file\n"
-	"sb info [<dev>]            - show device binding & info"
+	"sb info [<dev>]            - show device binding & info\n"
+	"sb commands use the \"hostfs\" device. The \"host\" device is used\n"
+	"with standard IO commands such as fatls or ext2load"
 );

disk/part.c

@@ -510,6 +510,25 @@ int get_device_and_partition(const char *ifname, const char *dev_part_str,
 	int part;
 	disk_partition_t tmpinfo;
 
+	/*
+	 * Special-case a psuedo block device "hostfs", to allow access to the
+	 * host's own filesystem.
+	 */
+	if (0 == strcmp(ifname, "hostfs")) {
+		*dev_desc = NULL;
+		info->start = 0;
+		info->size = 0;
+		info->blksz = 0;
+		info->bootable = 0;
+		strcpy((char *)info->type, BOOT_PART_TYPE);
+		strcpy((char *)info->name, "Sandbox host");
+#ifdef CONFIG_PARTITION_UUIDS
+		info->uuid[0] = 0;
+#endif
+
+		return 0;
+	}
+
 	/* If no dev_part_str, use bootdevice environment variable */
 	if (!dev_part_str || !strlen(dev_part_str) ||
 	    !strcmp(dev_part_str, "-"))

test/command_ut.c

@@ -165,12 +165,12 @@ static int do_ut_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 #ifdef CONFIG_SANDBOX
 	/* File existence */
-	HUSH_TEST(e, "-e host - creating_this_file_breaks_uboot_unit_test", n);
-	run_command("sb save host - creating_this_file_breaks_uboot_unit_test 0 1", 0);
-	HUSH_TEST(e, "-e host - creating_this_file_breaks_uboot_unit_test", y);
+	HUSH_TEST(e, "-e hostfs - creating_this_file_breaks_uboot_unit_test", n);
+	run_command("sb save hostfs - creating_this_file_breaks_uboot_unit_test 0 1", 0);
+	HUSH_TEST(e, "-e hostfs - creating_this_file_breaks_uboot_unit_test", y);
 	/* Perhaps this could be replaced by an "rm" shell command one day */
 	assert(!os_unlink("creating_this_file_breaks_uboot_unit_test"));
-	HUSH_TEST(e, "-e host - creating_this_file_breaks_uboot_unit_test", n);
+	HUSH_TEST(e, "-e hostfs - creating_this_file_breaks_uboot_unit_test", n);
 #endif
 #endif
 

test/vboot/vboot_test.sh

@@ -14,7 +14,7 @@ set -e
 run_uboot() {
 	echo -n "Test Verified Boot Run: $1: "
 	${uboot} -d sandbox-u-boot.dtb >${tmp} -c '
-sb load host 0 100 test.fit;
+sb load hostfs - 100 test.fit;
 fdt addr 100;
 bootm 100;
 reset'