diff options
| -rw-r--r-- | board/sandbox/README.sandbox | 3 | ||||
| -rw-r--r-- | include/configs/sandbox.h | 5 |
2 files changed, 7 insertions, 1 deletions
diff --git a/board/sandbox/README.sandbox b/board/sandbox/README.sandbox index 9fe3bf1..ed820d3 100644 --- a/board/sandbox/README.sandbox +++ b/board/sandbox/README.sandbox @@ -44,6 +44,9 @@ 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/include/configs/sandbox.h b/include/configs/sandbox.h index 4de89f8..197d8bb 100644 --- a/include/configs/sandbox.h +++ b/include/configs/sandbox.h @@ -27,7 +27,10 @@ #define CONFIG_SYS_STDIO_DEREGISTER -/* Number of bits in a C 'long' on this architecture */ +/* + * Number of bits in a C 'long' on this architecture. Set this to 32 when + * building on a 32-bit machine. + */ #define CONFIG_SANDBOX_BITS_PER_LONG 64 #define CONFIG_LMB |