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-rw-r--r--arch/sandbox/Kconfig5
-rw-r--r--board/sandbox/README.sandbox7
-rw-r--r--scripts/config_whitelist.txt1
3 files changed, 8 insertions, 5 deletions
diff --git a/arch/sandbox/Kconfig b/arch/sandbox/Kconfig
index 7b07bff1da..87418e3986 100644
--- a/arch/sandbox/Kconfig
+++ b/arch/sandbox/Kconfig
@@ -35,4 +35,9 @@ config SANDBOX_64BIT
endchoice
+config SANDBOX_BITS_PER_LONG
+ int
+ default 32 if SANDBOX_32BIT
+ default 64 if SANDBOX_64BIT
+
endmenu
diff --git a/board/sandbox/README.sandbox b/board/sandbox/README.sandbox
index 9dc2eb09d1..2e2c819384 100644
--- a/board/sandbox/README.sandbox
+++ b/board/sandbox/README.sandbox
@@ -24,6 +24,9 @@ single board in board/sandbox.
CONFIG_SANDBOX_BIG_ENDIAN should be defined when running on big-endian
machines.
+By default sandbox builds and runs on 64-bit hosts. If you are going to build
+and run sandbox on a 32-bit host, select CONFIG_SANDBOX_32BIT.
+
Note that standalone/API support is not available at present.
@@ -44,10 +47,6 @@ Note:
make sandbox_defconfig all NO_SDL=1
./u-boot
- If you are building on a 32-bit machine you may get errors from __ffs.h
- about shifting more than the machine word size. Edit the config file
- include/configs/sandbox.h and change CONFIG_SANDBOX_BITS_PER_LONG to 32.
-
U-Boot will start on your computer, showing a sandbox emulation of the serial
console:
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 9ce0c3f039..0a9da46821 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -1951,7 +1951,6 @@ CONFIG_SAMSUNG
CONFIG_SAMSUNG_ONENAND
CONFIG_SANDBOX_ARCH
CONFIG_SANDBOX_BIG_ENDIAN
-CONFIG_SANDBOX_BITS_PER_LONG
CONFIG_SANDBOX_SDL
CONFIG_SANDBOX_SPI_MAX_BUS
CONFIG_SANDBOX_SPI_MAX_CS