diff options
Diffstat (limited to 'arch/x86/lib/bios.c')
| -rw-r--r-- | arch/x86/lib/bios.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/arch/x86/lib/bios.c b/arch/x86/lib/bios.c index 03f7360032c..de4578666fb 100644 --- a/arch/x86/lib/bios.c +++ b/arch/x86/lib/bios.c @@ -5,6 +5,9 @@ * Copyright (C) 2007 Advanced Micro Devices, Inc. * Copyright (C) 2009-2010 coresystems GmbH */ + +#define LOG_CATEGRORY LOGC_ARCH + #include <compiler.h> #include <bios_emul.h> #include <irq_func.h> @@ -228,7 +231,11 @@ static void vbe_set_graphics(int vesa_mode, struct vesa_state *mode_info) { unsigned char *framebuffer; - mode_info->video_mode = (1 << 14) | vesa_mode; + /* + * bit 14 is linear-framebuffer mode + * bit 15 means don't clear the display + */ + mode_info->video_mode = (1 << 14) | (1 << 15) | vesa_mode; vbe_get_mode_info(mode_info); framebuffer = (unsigned char *)(ulong)mode_info->vesa.phys_base_ptr; @@ -298,16 +305,14 @@ asmlinkage int interrupt_handler(u32 intnumber, u32 gsfs, u32 dses, cs = cs_ip >> 16; flags = stackflags; -#ifdef CONFIG_REALMODE_DEBUG - debug("oprom: INT# 0x%x\n", intnumber); - debug("oprom: eax: %08x ebx: %08x ecx: %08x edx: %08x\n", - eax, ebx, ecx, edx); - debug("oprom: ebp: %08x esp: %08x edi: %08x esi: %08x\n", - ebp, esp, edi, esi); - debug("oprom: ip: %04x cs: %04x flags: %08x\n", - ip, cs, flags); - debug("oprom: stackflags = %04x\n", stackflags); -#endif + log_debug("oprom: INT# 0x%x\n", intnumber); + log_debug("oprom: eax: %08x ebx: %08x ecx: %08x edx: %08x\n", + eax, ebx, ecx, edx); + log_debug("oprom: ebp: %08x esp: %08x edi: %08x esi: %08x\n", + ebp, esp, edi, esi); + log_debug("oprom: ip: %04x cs: %04x flags: %08x\n", + ip, cs, flags); + log_debug("oprom: stackflags = %04x\n", stackflags); /* * Fetch arguments from the stack and put them to a place |