/*
* Internal Functions *
*/
static UINT32
GetVmVariable(UINT32 Variable, CHAR8* Buffer, UINT32 Size )
{
UINT32 VarLen, i;
ASMOutU32(EFI_INFO_PORT, Variable);
VarLen = ASMInU32(EFI_INFO_PORT);
for (i=0; i < VarLen && i < Size; i++)
{
Buffer[i] = ASMInU8(EFI_INFO_PORT);
}
return VarLen;
}
/**
* RTOnce callback that initializes g_fHaveOsk and g_abOsk0And1.
*
* @returns VINF_SUCCESS.
* @param pvUserIgnored Ignored.
*/
static DECLCALLBACK(int) devR0SmcInitOnce(void *pvUserIgnored)
{
g_fHaveOsk = devR0SmcQueryHostKey("OSK0", &g_abOsk0And1[0], 32)
&& devR0SmcQueryHostKey("OSK1", &g_abOsk0And1[32], 32);
#if 0
/*
* Dump the device registers.
*/
for (uint16_t uPort = 0x300; uPort < 0x320; uPort ++)
LogRel(("SMC: %#06x=%#010x w={%#06x, %#06x}, b={%#04x %#04x %#04x %#04x}\n", uPort,
ASMInU32(uPort), ASMInU16(uPort), ASMInU16(uPort + 2),
ASMInU8(uPort), ASMInU8(uPort + 1), ASMInU8(uPort +2), ASMInU8(uPort + 3) ));
#endif
NOREF(pvUserIgnored);
return VINF_SUCCESS;
}
static UINT32 VBoxWriteNVRAMDoOp(UINT32 u32Operation)
{
UINT32 u32Rc;
LogFlowFuncEnter();
LogFlowFuncMarkVar(u32Operation, "%x");
VBoxWriteNVRAMU32Param(EFI_VM_VARIABLE_OP_START, u32Operation);
while ((u32Rc = ASMInU32(EFI_VARIABLE_OP)) == EFI_VARIABLE_OP_STATUS_BSY)
{
#if 0
MicroSecondDelay (400);
#endif
/* @todo: sleep here. bird: won't ever happen, so don't bother. */
}
LogFlowFuncMarkVar(u32Rc, "%x");
LogFlowFuncLeave();
return u32Rc;
}
/**
* Waits for the specified state on the host SMC.
*
* @returns success indicator.
* @param bState The desired state.
* @param pszWhat What we're currently doing. For the log.
*/
static bool devR0SmcWaitHostState(uint8_t bState, const char *pszWhat)
{
uint8_t bCurState;
for (uint32_t cMsSleep = 1; cMsSleep <= 64; cMsSleep <<= 1)
{
RTThreadSleep(cMsSleep);
bCurState = ASMInU16(SMC_PORT_CMD);
if ((bCurState & 0xf) == bState)
return true;
}
LogRel(("devR0Smc: %s: bCurState=%#x, wanted %#x.\n", pszWhat, bCurState, bState));
#if 0
uint8_t bCurStatus2 = ASMInU8(SMC_PORT_STATUS_CODE);
uint8_t bCurStatus3 = ASMInU8(SMC_PORT_STATUS_CODE);
uint16_t wCurStatus3 = ASMInU16(SMC_PORT_STATUS_CODE);
uint32_t dwCurStatus3 = ASMInU32(SMC_PORT_STATUS_CODE);
LogRel(("SMC: status2=%#x status3=%#x w=%#x dw=%#x\n", bCurStatus2, bCurStatus3, wCurStatus3, dwCurStatus3));
#endif
return false;
}