VOID EFIAPI
DebugPrint(IN UINTN ErrorLevel, IN CONST CHAR8 *Format, ...)
{
CHAR8 szBuf[256];
VA_LIST va;
UINTN cch;
RTCCUINTREG SavedFlags;
/* No pool noise, please. */
if (ErrorLevel == DEBUG_POOL)
return;
VA_START(va, Format);
cch = AsciiVSPrint(szBuf, sizeof(szBuf), Format, va);
VA_END(va);
/* make sure it's terminated and doesn't end with a newline */
if (cch >= sizeof(szBuf))
cch = sizeof(szBuf) - 1;
while (cch > 0 && (szBuf[cch - 1] == '\n' || szBuf[cch - 1] == '\r'))
cch--;
szBuf[cch] = '\0';
SavedFlags = ASMIntDisableFlags();
VBoxPrintString("dbg/");
VBoxPrintHex(ErrorLevel, sizeof(ErrorLevel));
VBoxPrintChar(' ');
VBoxPrintString(szBuf);
VBoxPrintChar('\n');
ASMSetFlags(SavedFlags);
}
VOID EFIAPI
DebugAssert(IN CONST CHAR8 *FileName, IN UINTN LineNumber, IN CONST CHAR8 *Description)
{
RTCCUINTREG SavedFlags = ASMIntDisableFlags();
VBoxPrintString("EFI Assertion failed! File=");
VBoxPrintString(FileName ? FileName : "<NULL>");
VBoxPrintString(" line=0x");
VBoxPrintHex(LineNumber, sizeof(LineNumber));
VBoxPrintString("\nDescription: ");
VBoxPrintString(Description ? Description : "<NULL>");
ASMOutU8(EFI_PANIC_PORT, 2); /** @todo fix this. */
ASMSetFlags(SavedFlags);
}
/**
* Prints a hex dump the specified memory block.
*
* @returns Number of bytes printed.
*
* @param pv The memory to dump.
* @param cb Number of bytes to dump.
*/
size_t VBoxPrintHexDump(const void *pv, size_t cb)
{
size_t cchPrinted = 0;
uint8_t const *pb = (uint8_t const *)pv;
while (cb > 0)
{
unsigned i;
/* the offset */
cchPrinted += VBoxPrintHex((uintptr_t)pb, sizeof(pb));
cchPrinted += VBoxPrintString(" ");
/* the hex bytes value. */
for (i = 0; i < 16; i++)
{
cchPrinted += vboxPrintHexDumpChar(i == 7 ? '-' : ' ');
if (i < cb)
cchPrinted += VBoxPrintHex(pb[i], 1);
else
cchPrinted += VBoxPrintString(" ");
}
/* the printable chars */
cchPrinted += VBoxPrintString(" ");
for (i = 0; i < 16 && i < cb; i++)
cchPrinted += vboxPrintHexDumpChar(isprint(pb[i])
? pb[i]
: '.');
/* finally, the new line. */
cchPrinted += vboxPrintHexDumpChar('\n');
/*
* Advance.
*/
if (cb <= 16)
break;
cb -= 16;
pb += 16;
}
return cchPrinted;
}
/**
* Our own log worker function, avoid the dbg/00000xxx prefix and makes it clear
* which log statements we added..
*
* @param pszFormat Format string. EFI style!
* @param ... Argument referneced in the format string.
*/
VOID EFIAPI
VBoxLogWorker(const char *pszFormat, ...)
{
CHAR8 szBuf[384];
VA_LIST va;
RTCCUINTREG SavedFlags;
/* Format it. */
VA_START(va, pszFormat);
AsciiVSPrint(szBuf, sizeof(szBuf), pszFormat, va);
VA_END(va);
szBuf[sizeof(szBuf) - 1] = '\0';
/* Output the log string. */
SavedFlags = ASMIntDisableFlags();
VBoxPrintString(szBuf);
VBoxPrintChar('\n');
ASMSetFlags(SavedFlags);
}