/**
* @callback_method_impl{FNBS3STRFORMATOUTPUT,
* Used by Bs3TestFailedV and Bs3TestSkippedV.}
*/
BS3_DECL_CALLBACK(size_t) bs3TestFailedStrOutput(char ch, void BS3_FAR *pvUser)
{
PBS3TESTFAILEDBUF pBuf = (PBS3TESTFAILEDBUF)pvUser;
/*
* VMMDev first. We postpone newline processing here so we can strip one
* trailing newline.
*/
if (g_fbBs3VMMDevTesting)
{
if (pBuf->fNewLine && ch != '\0')
ASMOutU8(VMMDEV_TESTING_IOPORT_DATA, '\n');
pBuf->fNewLine = ch == '\n';
if (ch != '\n')
ASMOutU8(VMMDEV_TESTING_IOPORT_DATA, ch);
}
/*
* Console next.
*/
if (ch != '\0')
{
BS3_ASSERT(pBuf->cchBuf < RT_ELEMENTS(pBuf->achBuf));
pBuf->achBuf[pBuf->cchBuf++] = ch;
/* Whether to flush the buffer. We do line flushing here to avoid
dropping too much info when the formatter crashes on bad input. */
if ( pBuf->cchBuf < RT_ELEMENTS(pBuf->achBuf)
&& ch != '\n')
{
pBuf->fNewLine = false;
return 1;
}
pBuf->fNewLine = '\n';
}
/* Try fit missing newline into the buffer. */
else if (!pBuf->fNewLine && pBuf->cchBuf < RT_ELEMENTS(pBuf->achBuf))
{
pBuf->fNewLine = true;
pBuf->achBuf[pBuf->cchBuf++] = '\n';
}
BS3_ASSERT(pBuf->cchBuf <= RT_ELEMENTS(pBuf->achBuf));
Bs3PrintStrN(&pBuf->achBuf[0], pBuf->cchBuf);
pBuf->cchBuf = 0;
/* In case we failed to add trailing new line, print one separately. */
if (!pBuf->fNewLine)
Bs3PrintChr('\n');
return ch != '\0';
}
static void bs3TrapDefaultHandlerV8086Syscall(PBS3TRAPFRAME pTrapFrame)
{
/* Minimal syscall. */
if (pTrapFrame->Ctx.rax.u16 == BS3_SYSCALL_PRINT_CHR)
Bs3PrintChr(pTrapFrame->Ctx.rcx.u8);
else if (pTrapFrame->Ctx.rax.u16 == BS3_SYSCALL_PRINT_STR)
Bs3PrintStrN(Bs3XptrFlatToCurrent(((uint32_t)pTrapFrame->Ctx.rcx.u16 << 4) + pTrapFrame->Ctx.rsi.u16),
pTrapFrame->Ctx.rdx.u16);
else if (pTrapFrame->Ctx.rax.u16 == BS3_SYSCALL_RESTORE_CTX)
Bs3RegCtxRestore(Bs3XptrFlatToCurrent(((uint32_t)pTrapFrame->Ctx.rcx.u16 << 4) + pTrapFrame->Ctx.rsi.u16),
pTrapFrame->Ctx.rdx.u16);
else if ( pTrapFrame->Ctx.rax.u16 == BS3_SYSCALL_TO_RING0
|| pTrapFrame->Ctx.rax.u16 == BS3_SYSCALL_TO_RING1
|| pTrapFrame->Ctx.rax.u16 == BS3_SYSCALL_TO_RING2
|| pTrapFrame->Ctx.rax.u16 == BS3_SYSCALL_TO_RING3)
{
Bs3RegCtxConvertToRingX(&pTrapFrame->Ctx, pTrapFrame->Ctx.rax.u16 - BS3_SYSCALL_TO_RING0);
}
else
Bs3Panic();
}
