diff options
Diffstat (limited to 'nuttx/configs/qemu-i486/README.txt')
| -rw-r--r-- | nuttx/configs/qemu-i486/README.txt | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/nuttx/configs/qemu-i486/README.txt b/nuttx/configs/qemu-i486/README.txt index 3476f09e59..9065915344 100644 --- a/nuttx/configs/qemu-i486/README.txt +++ b/nuttx/configs/qemu-i486/README.txt @@ -14,6 +14,7 @@ Contents * Toolchains - Cygwin Buildroot Toolchain - Buildroot Instructions + * FAQ * Configurations - ostest - nsh @@ -22,7 +23,7 @@ QEMU ==== QEMU is a generic and open source machine emulator and virtualizer. Here are -some links (which are mostly outdated by the time your read this): +some links (which will probably be mostly outdated by the time your read this): Home Page: http://wiki.qemu.org/Main_Page Downloads: http://wiki.qemu.org/Download @@ -34,7 +35,7 @@ Building QEMU tar zxf qemu-0.14.0.tar.gz cd qemu-0.14.0 - ./configure + ./configure --target-list=i386-softmmu make make install @@ -62,8 +63,8 @@ Cygwin Build Problems 2. Try building QEMU with MingGW (I understand that this is difficult). NOTE: As of this writing, I have not been successful getting ANY pre-built - version of QEMU to work successful; they all fail immediately with - initialization errors. + version of QEMU to work successfully with WinXP. The same binaries work + fine on Vista, however. Running QEMU ------------ @@ -72,6 +73,13 @@ Running QEMU qemu -cpu 486 -m 2 -kernel nuttx.elf -nographic + The -nographic option redirects COM1 to your console. However, the -nographic + option does not work under Cygwin. For simple testing under Cygwin, I use + + qemu -cpu 486 -m 2 -kernel nuttx.elf -serial file:test.txt + + which will send COM1 output to the file test.txt. + Toolchains ========== @@ -125,6 +133,12 @@ Buildroot Instructions detailed PLUS some special instructions that you will need to follow if you run into problems building the toolchain for Cygwin under Windows. +FAQ +=== + +Q: I get the following error message, "undefined reference to '__stack_chk_fail'" +A: Add -fno-stack-protector to ARCHCPUFLAGS in you Make.defs file. + Configurations ============== |