ReactOS  0.4.14-dev-358-gbef841c
hwvalid.c File Reference
#include "acpi.h"
#include "accommon.h"
Include dependency graph for hwvalid.c:

Go to the source code of this file.

Macros

#define _COMPONENT   ACPI_HARDWARE
 
#define ACPI_PORT_INFO_ENTRIES   ACPI_ARRAY_LENGTH (AcpiProtectedPorts)
 

Functions

static ACPI_STATUS AcpiHwValidateIoRequest (ACPI_IO_ADDRESS Address, UINT32 BitWidth)
 
ACPI_STATUS AcpiHwReadPort (ACPI_IO_ADDRESS Address, UINT32 *Value, UINT32 Width)
 
ACPI_STATUS AcpiHwWritePort (ACPI_IO_ADDRESS Address, UINT32 Value, UINT32 Width)
 

Variables

static const ACPI_PORT_INFO AcpiProtectedPorts []
 

Macro Definition Documentation

◆ _COMPONENT

#define _COMPONENT   ACPI_HARDWARE

Definition at line 47 of file hwvalid.c.

◆ ACPI_PORT_INFO_ENTRIES

#define ACPI_PORT_INFO_ENTRIES   ACPI_ARRAY_LENGTH (AcpiProtectedPorts)

Definition at line 110 of file hwvalid.c.

Function Documentation

◆ AcpiHwReadPort()

ACPI_STATUS AcpiHwReadPort ( ACPI_IO_ADDRESS  Address,
UINT32 Value,
UINT32  Width 
)

Definition at line 237 of file hwvalid.c.

241 {
243  UINT32 OneByte;
244  UINT32 i;
245 
246 
247  /* Truncate address to 16 bits if requested */
248 
249  if (AcpiGbl_TruncateIoAddresses)
250  {
252  }
253 
254  /* Validate the entire request and perform the I/O */
255 
257  if (ACPI_SUCCESS (Status))
258  {
259  Status = AcpiOsReadPort (Address, Value, Width);
260  return (Status);
261  }
262 
264  {
265  return (Status);
266  }
267 
268  /*
269  * There has been a protection violation within the request. Fall
270  * back to byte granularity port I/O and ignore the failing bytes.
271  * This provides compatibility with other ACPI implementations.
272  */
273  for (i = 0, *Value = 0; i < Width; i += 8)
274  {
275  /* Validate and read one byte */
276 
278  {
279  Status = AcpiOsReadPort (Address, &OneByte, 8);
280  if (ACPI_FAILURE (Status))
281  {
282  return (Status);
283  }
284 
285  *Value |= (OneByte << i);
286  }
287 
288  Address++;
289  }
290 
291  return (AE_OK);
292 }
_In_opt_ ULONG _Out_ PULONG Value
Definition: rtlfuncs.h:2343
#define ACPI_SUCCESS(a)
Definition: acexcep.h:94
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define ACPI_UINT16_MAX
Definition: actypes.h:65
unsigned int UINT32
static WCHAR Address[46]
Definition: ping.c:68
ACPI_STATUS AcpiOsReadPort(ACPI_IO_ADDRESS Address, UINT32 *Value, UINT32 Width)
Definition: osl.c:701
static ACPI_STATUS AcpiHwValidateIoRequest(ACPI_IO_ADDRESS Address, UINT32 BitWidth)
Definition: hwvalid.c:130
Status
Definition: gdiplustypes.h:24
#define AE_OK
Definition: acexcep.h:97
#define AE_AML_ILLEGAL_ADDRESS
Definition: acexcep.h:211

Referenced by AcpiExSystemIoSpaceHandler(), AcpiHwRead(), and AcpiHwRegisterRead().

◆ AcpiHwValidateIoRequest()

static ACPI_STATUS AcpiHwValidateIoRequest ( ACPI_IO_ADDRESS  Address,
UINT32  BitWidth 
)
static

Definition at line 130 of file hwvalid.c.

133 {
134  UINT32 i;
135  UINT32 ByteWidth;
136  ACPI_IO_ADDRESS LastAddress;
137  const ACPI_PORT_INFO *PortInfo;
138 
139 
140  ACPI_FUNCTION_TRACE (HwValidateIoRequest);
141 
142 
143  /* Supported widths are 8/16/32 */
144 
145  if ((BitWidth != 8) &&
146  (BitWidth != 16) &&
147  (BitWidth != 32))
148  {
150  "Bad BitWidth parameter: %8.8X", BitWidth));
152  }
153 
155  ByteWidth = ACPI_DIV_8 (BitWidth);
156  LastAddress = Address + ByteWidth - 1;
157 
159  "Address %8.8X%8.8X LastAddress %8.8X%8.8X Length %X",
161  ByteWidth));
162 
163  /* Maximum 16-bit address in I/O space */
164 
165  if (LastAddress > ACPI_UINT16_MAX)
166  {
168  "Illegal I/O port address/length above 64K: %8.8X%8.8X/0x%X",
169  ACPI_FORMAT_UINT64 (Address), ByteWidth));
171  }
172 
173  /* Exit if requested address is not within the protected port table */
174 
176  {
178  }
179 
180  /* Check request against the list of protected I/O ports */
181 
182  for (i = 0; i < ACPI_PORT_INFO_ENTRIES; i++, PortInfo++)
183  {
184  /*
185  * Check if the requested address range will write to a reserved
186  * port. There are four cases to consider:
187  *
188  * 1) Address range is contained completely in the port address range
189  * 2) Address range overlaps port range at the port range start
190  * 3) Address range overlaps port range at the port range end
191  * 4) Address range completely encompasses the port range
192  */
193  if ((Address <= PortInfo->End) && (LastAddress >= PortInfo->Start))
194  {
195  /* Port illegality may depend on the _OSI calls made by the BIOS */
196 
197  if (AcpiGbl_OsiData >= PortInfo->OsiDependency)
198  {
200  "Denied AML access to port 0x%8.8X%8.8X/%X (%s 0x%.4X-0x%.4X)\n",
201  ACPI_FORMAT_UINT64 (Address), ByteWidth, PortInfo->Name,
202  PortInfo->Start, PortInfo->End));
203 
205  }
206  }
207 
208  /* Finished if address range ends before the end of this port */
209 
210  if (LastAddress <= PortInfo->End)
211  {
212  break;
213  }
214  }
215 
217 }
#define AE_BAD_PARAMETER
Definition: acexcep.h:151
#define ACPI_DB_IO
Definition: acoutput.h:177
#define ACPI_DB_VALUES
Definition: acoutput.h:173
CPPORT PortInfo
Definition: kdinit.c:20
#define AE_LIMIT
Definition: acexcep.h:124
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define ACPI_UINT16_MAX
Definition: actypes.h:65
unsigned int UINT32
#define AE_INFO
Definition: acoutput.h:230
static WCHAR Address[46]
Definition: ping.c:68
#define ACPI_PORT_INFO_ENTRIES
Definition: hwvalid.c:110
#define ACPI_DEBUG_PRINT(pl)
Definition: acoutput.h:475
static const ACPI_PORT_INFO AcpiProtectedPorts[]
Definition: hwvalid.c:89
#define ACPI_DIV_8(a)
Definition: acmacros.h:214
#define return_ACPI_STATUS(s)
Definition: acoutput.h:496
#define ACPI_FUNCTION_TRACE(a)
Definition: acoutput.h:480
#define ACPI_FORMAT_UINT64(i)
Definition: acmacros.h:71
#define ACPI_ERROR(plist)
Definition: acoutput.h:240
#define AE_OK
Definition: acexcep.h:97
#define AE_AML_ILLEGAL_ADDRESS
Definition: acexcep.h:211

Referenced by AcpiHwReadPort(), and AcpiHwWritePort().

◆ AcpiHwWritePort()

ACPI_STATUS AcpiHwWritePort ( ACPI_IO_ADDRESS  Address,
UINT32  Value,
UINT32  Width 
)

Definition at line 312 of file hwvalid.c.

316 {
318  UINT32 i;
319 
320 
321  /* Truncate address to 16 bits if requested */
322 
323  if (AcpiGbl_TruncateIoAddresses)
324  {
326  }
327 
328  /* Validate the entire request and perform the I/O */
329 
331  if (ACPI_SUCCESS (Status))
332  {
333  Status = AcpiOsWritePort (Address, Value, Width);
334  return (Status);
335  }
336 
338  {
339  return (Status);
340  }
341 
342  /*
343  * There has been a protection violation within the request. Fall
344  * back to byte granularity port I/O and ignore the failing bytes.
345  * This provides compatibility with other ACPI implementations.
346  */
347  for (i = 0; i < Width; i += 8)
348  {
349  /* Validate and write one byte */
350 
352  {
353  Status = AcpiOsWritePort (Address, (Value >> i) & 0xFF, 8);
354  if (ACPI_FAILURE (Status))
355  {
356  return (Status);
357  }
358  }
359 
360  Address++;
361  }
362 
363  return (AE_OK);
364 }
_In_opt_ ULONG _Out_ PULONG Value
Definition: rtlfuncs.h:2343
#define ACPI_SUCCESS(a)
Definition: acexcep.h:94
UINT32 ACPI_STATUS
Definition: actypes.h:460
#define ACPI_FAILURE(a)
Definition: acexcep.h:95
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define ACPI_UINT16_MAX
Definition: actypes.h:65
unsigned int UINT32
static WCHAR Address[46]
Definition: ping.c:68
static ACPI_STATUS AcpiHwValidateIoRequest(ACPI_IO_ADDRESS Address, UINT32 BitWidth)
Definition: hwvalid.c:130
Status
Definition: gdiplustypes.h:24
ACPI_STATUS AcpiOsWritePort(ACPI_IO_ADDRESS Address, UINT32 Value, UINT32 Width)
Definition: osl.c:731
#define AE_OK
Definition: acexcep.h:97
#define AE_AML_ILLEGAL_ADDRESS
Definition: acexcep.h:211

Referenced by AcpiEnterSleepStateS4bios(), AcpiExSystemIoSpaceHandler(), AcpiHwRegisterWrite(), AcpiHwSetMode(), and AcpiHwWrite().

Variable Documentation

◆ AcpiProtectedPorts

const ACPI_PORT_INFO AcpiProtectedPorts[]
static
Initial value:
=
{
{"DMA", 0x0000, 0x000F, ACPI_OSI_WIN_XP},
{"PIC0", 0x0020, 0x0021, ACPI_ALWAYS_ILLEGAL},
{"PIT1", 0x0040, 0x0043, ACPI_OSI_WIN_XP},
{"PIT2", 0x0048, 0x004B, ACPI_OSI_WIN_XP},
{"RTC", 0x0070, 0x0071, ACPI_OSI_WIN_XP},
{"CMOS", 0x0074, 0x0076, ACPI_OSI_WIN_XP},
{"DMA1", 0x0081, 0x0083, ACPI_OSI_WIN_XP},
{"DMA1L", 0x0087, 0x0087, ACPI_OSI_WIN_XP},
{"DMA2", 0x0089, 0x008B, ACPI_OSI_WIN_XP},
{"DMA2L", 0x008F, 0x008F, ACPI_OSI_WIN_XP},
{"ARBC", 0x0090, 0x0091, ACPI_OSI_WIN_XP},
{"SETUP", 0x0093, 0x0094, ACPI_OSI_WIN_XP},
{"POS", 0x0096, 0x0097, ACPI_OSI_WIN_XP},
{"PIC1", 0x00A0, 0x00A1, ACPI_ALWAYS_ILLEGAL},
{"IDMA", 0x00C0, 0x00DF, ACPI_OSI_WIN_XP},
{"ELCR", 0x04D0, 0x04D1, ACPI_ALWAYS_ILLEGAL},
{"PCI", 0x0CF8, 0x0CFF, ACPI_OSI_WIN_XP}
}
#define ACPI_ALWAYS_ILLEGAL
Definition: aclocal.h:1259
#define ACPI_OSI_WIN_XP
Definition: actypes.h:1397

Definition at line 89 of file hwvalid.c.

Referenced by AcpiHwValidateIoRequest().