Linux Kernel
3.7.1
Main Page
Related Pages
Modules
Namespaces
Data Structures
Files
File List
Globals
All
Data Structures
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Macros
Groups
Pages
drivers
gpu
drm
radeon
atom-bits.h
Go to the documentation of this file.
1
/*
2
* Copyright 2008 Advanced Micro Devices, Inc.
3
*
4
* Permission is hereby granted, free of charge, to any person obtaining a
5
* copy of this software and associated documentation files (the "Software"),
6
* to deal in the Software without restriction, including without limitation
7
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
8
* and/or sell copies of the Software, and to permit persons to whom the
9
* Software is furnished to do so, subject to the following conditions:
10
*
11
* The above copyright notice and this permission notice shall be included in
12
* all copies or substantial portions of the Software.
13
*
14
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20
* OTHER DEALINGS IN THE SOFTWARE.
21
*
22
* Author: Stanislaw Skowronek
23
*/
24
25
#ifndef ATOM_BITS_H
26
#define ATOM_BITS_H
27
28
static
inline
uint8_t
get_u8(
void
*
bios
,
int
ptr
)
29
{
30
return
((
unsigned
char
*)bios)[
ptr
];
31
}
32
#define U8(ptr) get_u8(ctx->ctx->bios, (ptr))
33
#define CU8(ptr) get_u8(ctx->bios, (ptr))
34
static
inline
uint16_t
get_u16
(
void
*bios,
int
ptr)
35
{
36
return
get_u8(bios ,ptr)|(((
uint16_t
)get_u8(bios, ptr+1))<<8);
37
}
38
#define U16(ptr) get_u16(ctx->ctx->bios, (ptr))
39
#define CU16(ptr) get_u16(ctx->bios, (ptr))
40
static
inline
uint32_t
get_u32(
void
*bios,
int
ptr)
41
{
42
return
get_u16
(bios, ptr)|(((
uint32_t
)
get_u16
(bios, ptr+2))<<16);
43
}
44
#define U32(ptr) get_u32(ctx->ctx->bios, (ptr))
45
#define CU32(ptr) get_u32(ctx->bios, (ptr))
46
#define CSTR(ptr) (((char *)(ctx->bios))+(ptr))
47
48
#endif
Generated on Thu Jan 10 2013 13:32:59 for Linux Kernel by
1.8.2