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RASCSI
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Add trace statements to help with debugging

This commit is contained in:
Tony Kuker 2022-01-22 20:58:02 +00:00
parent 8bae98de20
commit 4332c6db6a
1 changed files with 12 additions and 3 deletions
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15
src/raspberrypi/devices/scsi_powerview.cpp
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@ -44,11 +44,14 @@ const BYTE SCSIPowerView::m_inquiry_response[] = {
SCSIPowerView::SCSIPowerView() : Disk("SCPV")
{
LOGTRACE("Entering %s", __PRETTY_FUNCTION__);
AddCommand(SCSIDEV::eCmdPvReadConfig, "Unknown PowerViewC8", &SCSIPowerView::CmdReadConfig);
AddCommand(SCSIDEV::eCmdPvWriteConfig, "Unknown PowerViewC9", &SCSIPowerView::CmdWriteConfig);
AddCommand(SCSIDEV::eCmdPvWriteFrameBuffer, "Unknown PowerViewCA", &SCSIPowerView::CmdWriteFramebuffer);
AddCommand(SCSIDEV::eCmdPvWriteColorPalette, "Unknown PowerViewCB", &SCSIPowerView::CmdWriteColorPalette);
AddCommand(SCSIDEV::eCmdUnknownPowerViewCC, "Unknown PowerViewCC", &SCSIPowerView::UnknownCommandCC);
LOGTRACE("%s - creating lookup table", __PRETTY_FUNCTION__);
// create lookup table
for (int i = 0; i < 256; i++) {
@ -59,7 +62,6 @@ SCSIPowerView::SCSIPowerView() : Disk("SCPV")
reverse_table[i] = b;
}
framebuffer_black = 0;
framebuffer_blue = (/*red*/ 0 << fbinfo.red.offset) |
(/*green*/ 0 << fbinfo.green.offset)|
@ -74,10 +76,9 @@ SCSIPowerView::SCSIPowerView() : Disk("SCPV")
(/*blue*/ 0 << fbinfo.blue.offset) |
(/*alpha*/ 0 << fbinfo.transp.offset);
// Default to one bit color (black & white) if we don't know any better
color_depth = eColorsBW;
LOGTRACE("Done with %s", __PRETTY_FUNCTION__);
}
//---------------------------------------------------------------------------
@ -371,6 +372,7 @@ bool SCSIPowerView::Dispatch(SCSIDEV *controller)
bool SCSIPowerView::Init(const map<string, string>& params)
{
LOGTRACE("Entering %s", __PRETTY_FUNCTION__);
SetParams(params.empty() ? GetDefaultParams() : params);
this->fbfd = open("/dev/fb0", O_RDWR);
@ -378,6 +380,7 @@ bool SCSIPowerView::Init(const map<string, string>& params)
LOGWARN("Unable to open /dev/fb0. Do you have a monitor connected?");
return false;
}
LOGTRACE("%s - /dev/fb0 opened", __PRETTY_FUNCTION__);
if (ioctl(this->fbfd, FBIOGET_VSCREENINFO, &fbinfo)){
LOGERROR("Unable to retrieve framebuffer v screen info. Are you running as root?");
@ -391,9 +394,12 @@ bool SCSIPowerView::Init(const map<string, string>& params)
if (fbinfo.bits_per_pixel != 16){
LOGERROR("PowerView emulation only supports 16 bits per pixel framebuffer. Currently set to %d", fbinfo.bits_per_pixel);
LOGERROR("Try running \"fbset -depth 16\"");
return false;
}
LOGTRACE("%s Done capturing FB info", __PRETTY_FUNCTION__);
fbbpp = fbinfo.bits_per_pixel;
fblinelen = fbfixinfo.line_length;
@ -402,15 +408,18 @@ bool SCSIPowerView::Init(const map<string, string>& params)
LOGERROR("Unable to mmap the framebuffer memory. Are you running as root?");
return false;
}
LOGTRACE("%s mmap complete", __PRETTY_FUNCTION__);
// Clear the framebuffer
memset(this->fb, 0, fbfixinfo.smem_len);
LOGTRACE("%s done clearing framebuffer", __PRETTY_FUNCTION__);
// Hide the flashing cursor on the screen
fbcon_cursor(false);
// Disable the automatic screen blanking (screen saver)
fbcon_blank(false);
LOGTRACE("%s Done disable blanking", __PRETTY_FUNCTION__);
// Draw a blue frame around the display area
// This indicates that the PowerView simulation is running