HalPortIo.c File Reference

#include <kmt_test.h>
#include <debug.h>

Include dependency graph for HalPortIo.c:

Go to the source code of this file.

Classes
struct	_TEST_CONTEXT

Macros
#define	NDEBUG

Typedefs
typedef struct _TEST_CONTEXT	TEST_CONTEXT
typedef struct _TEST_CONTEXT *	PTEST_CONTEXT

Functions
static DECLSPEC_NOINLINE VOID	TestWriteStringUshort (_In_ PTEST_CONTEXT Context)
static DECLSPEC_NOINLINE VOID	TestWriteStringUlong (_In_ PTEST_CONTEXT Context)
static DECLSPEC_NOINLINE VOID	TestWriteStringUchar (_In_ PTEST_CONTEXT Context)
static DECLSPEC_NOINLINE VOID	TestReadStringUshort (_In_ PTEST_CONTEXT Context)
static DECLSPEC_NOINLINE VOID	TestReadStringUlong (_In_ PTEST_CONTEXT Context)
static DECLSPEC_NOINLINE VOID	TestReadStringUchar (_In_ PTEST_CONTEXT Context)
static VOID	TestStringIo (VOID)
	START_TEST (HalPortIo)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 12 of file HalPortIo.c.

Typedef Documentation

PTEST_CONTEXT

typedef struct _TEST_CONTEXT * PTEST_CONTEXT

TEST_CONTEXT

typedef struct _TEST_CONTEXT TEST_CONTEXT

Function Documentation

START_TEST()

START_TEST

(

HalPortIo

)

Definition at line 142 of file HalPortIo.c.

{
    TestStringIo();
}

TestReadStringUchar()

static DECLSPEC_NOINLINE VOID TestReadStringUchar ( _In_ PTEST_CONTEXT  Context )

static

Definition at line 103 of file HalPortIo.c.

{
    __inbytestring(Context->Port, Context->Buffer, Context->Size);
 
    ok_eq_pointer(Context->Buffer, Context->OldBuffer);
}

Referenced by TestStringIo().

TestReadStringUlong()

static DECLSPEC_NOINLINE VOID TestReadStringUlong ( _In_ PTEST_CONTEXT  Context )

static

Definition at line 92 of file HalPortIo.c.

{
    __outdwordstring(Context->Port, Context->Buffer, Context->Size / sizeof(ULONG));
 
    ok_eq_pointer(Context->Buffer, Context->OldBuffer);
}

Referenced by TestStringIo().

TestReadStringUshort()

static DECLSPEC_NOINLINE VOID TestReadStringUshort ( _In_ PTEST_CONTEXT  Context )

static

Definition at line 81 of file HalPortIo.c.

{
    __inwordstring(Context->Port, Context->Buffer, Context->Size / sizeof(USHORT));
 
    ok_eq_pointer(Context->Buffer, Context->OldBuffer);
}

Referenced by TestStringIo().

TestStringIo()

static VOID TestStringIo ( VOID  )

static

Definition at line 113 of file HalPortIo.c.

{
    TEST_CONTEXT Context;
    UCHAR Buffer[20];
 
    /* End of the x86 I/O range */
    Context.Port = 0xFFFF - sizeof(ULONG);
 
    Context.Buffer = Buffer;
    Context.OldBuffer = Buffer;
    Context.Size = sizeof(Buffer);
 
    TestReadStringUchar(&Context);
    TestReadStringUshort(&Context);
    TestReadStringUlong(&Context);
 
    /*
     * Check whether the driver is running inside a virtual machine
     * as it's not safe to write to I/O ports
     * without having the port resources assigned.
     */
    if (!skip(KmtIsVirtualMachine, "Please run those tests in a supported virtual machine\n"))
    {
        TestWriteStringUchar(&Context);
        TestWriteStringUshort(&Context);
        TestWriteStringUlong(&Context);
    }
}

Referenced by START_TEST().

TestWriteStringUchar()

static DECLSPEC_NOINLINE VOID TestWriteStringUchar ( _In_ PTEST_CONTEXT  Context )

static

Definition at line 70 of file HalPortIo.c.

{
    __inbytestring(Context->Port, Context->Buffer, Context->Size);
 
    ok_eq_pointer(Context->Buffer, Context->OldBuffer);
}

Referenced by TestStringIo().

TestWriteStringUlong()

static DECLSPEC_NOINLINE VOID TestWriteStringUlong ( _In_ PTEST_CONTEXT  Context )

static

Definition at line 59 of file HalPortIo.c.

{
    __outdwordstring(Context->Port, Context->Buffer, Context->Size / sizeof(ULONG));
 
    ok_eq_pointer(Context->Buffer, Context->OldBuffer);
}

Referenced by TestStringIo().

TestWriteStringUshort()

static DECLSPEC_NOINLINE VOID TestWriteStringUshort ( _In_ PTEST_CONTEXT  Context )

static

Definition at line 44 of file HalPortIo.c.

{
    __outwordstring(Context->Port, Context->Buffer, Context->Size / sizeof(USHORT));
 
    /*
     * The 'rep outsw' instruction increments or decrements the address in ESI by Size * 2.
     * Test for CORE-20078: the ESI value should be preserved across calls.
     */
    ok_eq_pointer(Context->Buffer, Context->OldBuffer);
}

Referenced by TestStringIo().