Mercurial > ecos
diff packages/hal/arm/arch/current/include/hal_io.h @ 191:678094f34118
Merge from eCos master repository on 2001-10-19-06:43:02-BST
| author | jlarmour |
|---|---|
| date | Fri, 19 Oct 2001 07:02:26 +0000 |
| parents | 289bf90c6a9b |
| children | e0c0827131d1 |
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--- a/packages/hal/arm/arch/current/include/hal_io.h +++ b/packages/hal/arm/arch/current/include/hal_io.h @@ -26,7 +26,7 @@ // // The Initial Developer of the Original Code is Red Hat. // Portions created by Red Hat are -// Copyright (C) 1998, 1999, 2000 Red Hat, Inc. +// Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc. // All Rights Reserved. // ------------------------------------------- // @@ -34,16 +34,16 @@ //============================================================================= //#####DESCRIPTIONBEGIN#### // -// Author(s): nickg, gthomas -// Contributors: nickg, gthomas -// Date: 1998-09-11 -// Purpose: Define IO register support -// Description: The macros defined here provide the HAL APIs for handling -// device IO control registers. +// Author(s): nickg, gthomas +// Contributors: Fabrice Gautier +// Date: 1998-09-11 +// Purpose: Define IO register support +// Description: The macros defined here provide the HAL APIs for handling +// device IO control registers. // // Usage: -// #include <cyg/hal/hal_io.h> -// ... +// #include <cyg/hal/hal_io.h> +// ... // // //####DESCRIPTIONEND#### @@ -89,6 +89,20 @@ typedef volatile CYG_ADDRWORD HAL_IO_REG ((volatile CYG_BYTE *)(_register_))[_j_] = (_buf_)[_i_]; \ CYG_MACRO_END +#define HAL_READ_UINT8_STRING( _register_, _buf_, _count_ ) \ + CYG_MACRO_START \ + cyg_count32 _i_; \ + for( _i_ = 0; _i_ < (_count_); _i_++) \ + (_buf_)[_i_] = ((volatile CYG_BYTE *)(_register_)); \ + CYG_MACRO_END + +#define HAL_WRITE_UINT8_STRING( _register_, _buf_, _count_ ) \ + CYG_MACRO_START \ + cyg_count32 _i_; \ + for( _i_ = 0; _i_ < (_count_); _i_++) \ + ((volatile CYG_BYTE *)(_register_)) = (_buf_)[_i_]; \ + CYG_MACRO_END + #else // Big-endian version #define HAL_READ_UINT8( _register_, _value_ ) \ @@ -113,6 +127,22 @@ typedef volatile CYG_ADDRWORD HAL_IO_REG _r_[_j_] = (_buf_)[_i_]; \ CYG_MACRO_END +#define HAL_READ_UINT8_STRING( _register_, _buf_, _count_ ) \ + CYG_MACRO_START \ + cyg_count32 _i_; \ + volatile CYG_BYTE* _r_ = ((CYG_ADDRWORD)(_register_)^3); \ + for( _i_ = 0; _i_ < (_count_); _i_++; \ + (_buf_)[_i_] = _r_; \ + CYG_MACRO_END + +#define HAL_WRITE_UINT8_STRING( _register_, _buf_, _count_ ) \ + CYG_MACRO_START \ + cyg_count32 _i_; \ + volatile CYG_BYTE* _r_ = ((CYG_ADDRWORD)(_register_)^3); \ + for( _i_ = 0; _i_ < (_count_); _i_++) \ + _r_ = (_buf_)[_i_]; \ + CYG_MACRO_END + #endif // Big-endian //----------------------------------------------------------------------------- @@ -142,6 +172,21 @@ typedef volatile CYG_ADDRWORD HAL_IO_REG ((volatile CYG_WORD16 *)(_register_))[_j_] = (_buf_)[_i_]; \ CYG_MACRO_END +#define HAL_READ_UINT16_STRING( _register_, _buf_, _count_) \ + CYG_MACRO_START \ + cyg_count32 _i_; \ + for( _i_ = 0; _i_ < (_count_); _i_++) \ + (_buf_)[_i_] = ((volatile CYG_WORD16 *)(_register_)); \ + CYG_MACRO_END + +#define HAL_WRITE_UINT16_STRING( _register_, _buf_, _count_) \ + CYG_MACRO_START \ + cyg_count32 _i_; \ + for( _i_ = 0; _i_ < (_count_); _i_++) \ + ((volatile CYG_WORD16 *)(_register_)) = (_buf_)[_i_]; \ + CYG_MACRO_END + + #else // Big-endian version #define HAL_READ_UINT16( _register_, _value_ ) \ @@ -166,6 +211,23 @@ typedef volatile CYG_ADDRWORD HAL_IO_REG _r_[_j_] = (_buf_)[_i_]; \ CYG_MACRO_END +#define HAL_READ_UINT16_STRING( _register_, _buf_, _count_) \ + CYG_MACRO_START \ + cyg_count32 _i_; \ + volatile CYG_WORD16* _r_ = ((CYG_ADDRWORD)(_register_)^3); \ + for( _i_ = 0 = 0; _i_ < (_count_); _i_++) \ + (_buf_)[_i_] = _r_; \ + CYG_MACRO_END + +#define HAL_WRITE_UINT16_STRING( _register_, _buf_, _count_) \ + CYG_MACRO_START \ + cyg_count32 _i_; \ + volatile CYG_WORD16* _r_ = ((CYG_ADDRWORD)(_register_)^3); \ + for( _i_ = 0 = 0; _i_ < (_count_); _i_++) \ + _r_ = (_buf_)[_i_]; \ + CYG_MACRO_END + + #endif // Big-endian //----------------------------------------------------------------------------- @@ -194,6 +256,20 @@ typedef volatile CYG_ADDRWORD HAL_IO_REG ((volatile CYG_WORD32 *)(_register_))[_j_] = (_buf_)[_i_]; \ CYG_MACRO_END +#define HAL_READ_UINT32_STRING( _register_, _buf_, _count_) \ + CYG_MACRO_START \ + cyg_count32 _i_; \ + for( _i_ = 0; _i_ < (_count_); _i_++) \ + (_buf_)[_i_] = ((volatile CYG_WORD32 *)(_register_)); \ + CYG_MACRO_END + +#define HAL_WRITE_UINT32_STRING( _register_, _buf_, _count_) \ + CYG_MACRO_START \ + cyg_count32 _i_; \ + for( _i_ = 0; _i_ < (_count_); _i_++) \ + ((volatile CYG_WORD32 *)(_register_)) = (_buf_)[_i_]; \ + CYG_MACRO_END + // Enforce a flow "barrier" to prevent optimizing compiler from reordering // operations. #define HAL_IO_BARRIER()