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Failed attempt at monitoring the SCSI traffic.

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This commit is contained in:
akuker
2020-07-07 14:16:02 -05:00
parent c86764c6e7
commit 6fd6fdcc05
5 changed files with 602 additions and 75 deletions
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106
src/raspberrypi/gpiobus.cpp
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@@ -65,7 +65,7 @@ DWORD bcm_host_get_peripheral_address(void)
char buf[1024];
size_t len = sizeof(buf);
DWORD address;
if (sysctlbyname("hw.model", buf, &len, NULL, 0) ||
strstr(buf, "ARM1176JZ-S") != buf) {
// Failed to get CPU model || Not BCM2835
@@ -88,7 +88,7 @@ extern uint32_t RPi_IO_Base_Addr;
// Core frequency
extern uint32_t RPi_Core_Freq;
#ifdef USE_SEL_EVENT_ENABLE
#ifdef USE_SEL_EVENT_ENABLE
//---------------------------------------------------------------------------
//
// Interrupt control function
@@ -169,6 +169,7 @@ BOOL FASTCALL GPIOBUS::Init(mode_e mode)
// Open /dev/mem
fd = open("/dev/mem", O_RDWR | O_SYNC);
if (fd == -1) {
printf("Error: Unable to open /dev/mem. Are you running as root?\n");
return FALSE;
}
@@ -274,6 +275,7 @@ BOOL FASTCALL GPIOBUS::Init(mode_e mode)
PinConfig(PIN_DTD, GPIO_OUTPUT);
// Set the ENABLE signal
// This is used to show that the application is running
PinSetSignal(PIN_ENB, ENB_OFF);
PinConfig(PIN_ENB, GPIO_OUTPUT);
@@ -373,6 +375,7 @@ BOOL FASTCALL GPIOBUS::Init(mode_e mode)
MakeTable();
// Finally, enable ENABLE
// Show the user that this app is running
SetControl(PIN_ENB, ENB_ON);
return TRUE;
@@ -518,7 +521,7 @@ DWORD FASTCALL GPIOBUS::Aquire()
// Invert if negative logic (internal processing is unified to positive logic)
signals = ~signals;
#endif // SIGNAL_CONTROL_MODE
return signals;
}
@@ -549,9 +552,15 @@ BOOL FASTCALL GPIOBUS::GetBSY()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetBSY(BOOL ast)
{
// Set BSY signal
SetSignal(PIN_BSY, ast);
if(actmode == MONITOR)
{
printf("WARNING!!! SOMEONE TRIED TO SET BSY IN MONITOR MODE");
}
else
{
// Set BSY signal
SetSignal(PIN_BSY, ast);
}
if (actmode == TARGET) {
if (ast) {
// Turn on ACTIVE signal
@@ -603,8 +612,14 @@ void FASTCALL GPIOBUS::SetSEL(BOOL ast)
SetControl(PIN_ACT, ACT_ON);
}
// Set SEL signal
SetSignal(PIN_SEL, ast);
if (actmode != MONITOR)
{
// Set SEL signal
SetSignal(PIN_SEL, ast);
}
else{
printf("WARNING!!! SOMEONE TRIED TO SET SEL IN MONITOR MODE");
}
}
//---------------------------------------------------------------------------
@@ -624,7 +639,14 @@ BOOL FASTCALL GPIOBUS::GetATN()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetATN(BOOL ast)
{
SetSignal(PIN_ATN, ast);
if(actmode == MONITOR)
{
printf("WARNING!!! SOMEONE TRIED TO SET ATN IN MONITOR MODE");
}
else
{
SetSignal(PIN_ATN, ast);
}
}
//---------------------------------------------------------------------------
@@ -644,7 +666,14 @@ BOOL FASTCALL GPIOBUS::GetACK()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetACK(BOOL ast)
{
if(actmode == MONITOR)
{
printf("WARNING!!! SOMEONE TRIED TO SET ACK IN MONITOR MODE");
}
else
{
SetSignal(PIN_ACK, ast);
}
}
//---------------------------------------------------------------------------
@@ -664,7 +693,14 @@ BOOL FASTCALL GPIOBUS::GetRST()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetRST(BOOL ast)
{
if(actmode == MONITOR)
{
printf("WARNING!!! SOMEONE TRIED TO SET RST IN MONITOR MODE");
}
else
{
SetSignal(PIN_RST, ast);
}
}
//---------------------------------------------------------------------------
@@ -684,7 +720,13 @@ BOOL FASTCALL GPIOBUS::GetMSG()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetMSG(BOOL ast)
{
SetSignal(PIN_MSG, ast);
if(actmode == MONITOR)
{
printf("WARNING!!! SOMEONE TRIED TO SET MSG IN MONITOR MODE");
}
else{
SetSignal(PIN_MSG, ast);
}
}
//---------------------------------------------------------------------------
@@ -704,7 +746,14 @@ BOOL FASTCALL GPIOBUS::GetCD()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetCD(BOOL ast)
{
SetSignal(PIN_CD, ast);
if(actmode == MONITOR)
{
printf("WARNING!!! SOMEONE TRIED TO SET CD IN MONITOR MODE");
}
else
{
SetSignal(PIN_CD, ast);
}
}
//---------------------------------------------------------------------------
@@ -754,6 +803,21 @@ BOOL FASTCALL GPIOBUS::GetIO()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetIO(BOOL ast)
{
if(actmode == MONITOR)
{
printf("WARNING!!! SOMEONE TRIED TO SET IO IN MONITOR MODE");
SetControl(PIN_DTD, DTD_IN);
SetMode(PIN_DT0, IN);
SetMode(PIN_DT1, IN);
SetMode(PIN_DT2, IN);
SetMode(PIN_DT3, IN);
SetMode(PIN_DT4, IN);
SetMode(PIN_DT5, IN);
SetMode(PIN_DT6, IN);
SetMode(PIN_DT7, IN);
SetMode(PIN_DP, IN);
}
SetSignal(PIN_IO, ast);
if (actmode == TARGET) {
@@ -802,6 +866,12 @@ BOOL FASTCALL GPIOBUS::GetREQ()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetREQ(BOOL ast)
{
if(actmode == MONITOR)
{
printf("WARNING!!! SOMEONE TRIED TO SET REQ IN MONITOR MODE");
return;
}
SetSignal(PIN_REQ, ast);
}
@@ -835,6 +905,14 @@ BYTE FASTCALL GPIOBUS::GetDAT()
//---------------------------------------------------------------------------
void FASTCALL GPIOBUS::SetDAT(BYTE dat)
{
if(actmode == MONITOR)
{
printf("WARNING!!! SOMEONE TRIED TO SET Data IN MONITOR MODE");
return;
}
// Write to port
#if SIGNAL_CONTROL_MODE == 0
DWORD fsel;
@@ -1152,7 +1230,7 @@ int FASTCALL GPIOBUS::SendHandShake(BYTE *buf, int count)
}
// Already waiting for REQ assertion
// Assert the ACK signal
SetSignal(PIN_ACK, ON);
@@ -1396,7 +1474,7 @@ void FASTCALL GPIOBUS::SetMode(int pin, int mode)
gpio[index] = data;
gpfsel[index] = data;
}
//---------------------------------------------------------------------------
//
// Get input signal value
@@ -1406,7 +1484,7 @@ BOOL FASTCALL GPIOBUS::GetSignal(int pin)
{
return (signals >> pin) & 1;
}
//---------------------------------------------------------------------------
//
// Set output signal value