diff options
Diffstat (limited to 'nuttx/arch/x86/src/qemu/qemu_fullcontextrestore.S')
| -rw-r--r-- | nuttx/arch/x86/src/qemu/qemu_fullcontextrestore.S | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/nuttx/arch/x86/src/qemu/qemu_fullcontextrestore.S b/nuttx/arch/x86/src/qemu/qemu_fullcontextrestore.S index 7d25e9072..9a1e1e64e 100644 --- a/nuttx/arch/x86/src/qemu/qemu_fullcontextrestore.S +++ b/nuttx/arch/x86/src/qemu/qemu_fullcontextrestore.S @@ -61,14 +61,24 @@ /* Trace macros, use like trace 'i' to print char to serial port. */ - .macro trace, ch + .macro chout, addr, ch #ifdef CONFIG_DEBUG - mov $0x3f8, %dx + mov $\addr, %dx mov $\ch, %al out %al, %dx #endif .endm + .macro trace, ch +#ifdef CONFIG_DEBUG + push %eax + push %edx + chout 0x3f8, \ch + pop %edx + pop %eax +#endif + .endm + /************************************************************************** * Public Functions **************************************************************************/ @@ -151,5 +161,5 @@ up_fullcontextrestore: popl %eax iret .size up_fullcontextrestore, . - up_fullcontextrestore - .end + .end |