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Attach frame_buffer_console and initialize/enter blue_screen.

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This enables early on-screen debug output on the raspberry pi.
This commit is contained in:
Michael Lotz 2012-11-27 22:36:35 +01:00
parent 94b364b469
commit 75b481f2a4
2 changed files with 35 additions and 1 deletions
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1
src/system/boot/platform/raspberrypi_arm/Jamfile
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@ -2,6 +2,7 @@ SubDir HAIKU_TOP src system boot platform raspberrypi_arm ;
SubDirHdrs $(HAIKU_TOP) headers private kernel boot platform $(TARGET_BOOT_PLATFORM) ;
SubDirHdrs $(HAIKU_TOP) src system boot arch $(TARGET_ARCH) ;
SubDirHdrs $(HAIKU_TOP) src system kernel debug ;
UsePrivateHeaders [ FDirName kernel disk_device_manager ] ;
UsePrivateHeaders [ FDirName graphics common ] ;

35
src/system/boot/platform/raspberrypi_arm/video.cpp
View File

@ -8,7 +8,19 @@
#include "arch_framebuffer.h"
#include "blue_screen.h"
#include "frame_buffer_console.h"
ArchFramebuffer *gFramebuffer = NULL;
static bool sOnScreenDebugOutputAvailable = false;
extern "C" void
platform_video_puts(const char* string)
{
if (sOnScreenDebugOutputAvailable)
blue_screen_puts(string);
}
extern "C" void
@ -49,6 +61,27 @@ platform_init_video(void)
if (result != B_OK)
return result;
return gFramebuffer->SetDefaultMode();
result = gFramebuffer->SetDefaultMode();
if (result != B_OK)
return result;
result = frame_buffer_update(gFramebuffer->Base(), gFramebuffer->Width(),
gFramebuffer->Height(), gFramebuffer->Depth(),
gFramebuffer->BytesPerRow());
if (result != B_OK)
return result;
result = blue_screen_init();
if (result != B_OK)
return result;
result = blue_screen_enter(false);
if (result != B_OK)
return result;
blue_screen_clear_screen();
blue_screen_puts("Welcome to very early on-screen debug output on rPi!\n");
sOnScreenDebugOutputAvailable = true;
return B_OK;
}