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support for c99 uintptr_t

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rmoore1 2005-12-07 22:32:55 +00:00
parent 147ff2ae88
commit 78c04d4e03
1 changed files with 15 additions and 8 deletions
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23
source/include/acmacros.h
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@ -1,7 +1,7 @@
/******************************************************************************
*
* Name: acmacros.h - C macros for the entire subsystem.
* $Revision: 1.170 $
* $Revision: 1.171 $
*
*****************************************************************************/
@ -191,16 +191,23 @@
#define ACPI_SET32(ptr) *ACPI_CAST_PTR (UINT32, ptr)
#define ACPI_SET64(ptr) *ACPI_CAST_PTR (UINT64, ptr)
/* Pointer manipulation */
/*
* Pointer manipulation
*
* Use C99 uintptr_t for pointer casting if available, "void *" otherwise
*/
#ifndef ACPI_UINTPTR_T
#define ACPI_UINTPTR_T void *
#endif
#define ACPI_CAST_PTR(t, p) ((t *)(void *)(p))
#define ACPI_CAST_INDIRECT_PTR(t, p) ((t **)(void *)(p))
#define ACPI_ADD_PTR(t,a,b) ACPI_CAST_PTR (t, (ACPI_CAST_PTR (UINT8, (a)) + (ACPI_NATIVE_UINT)(b)))
#define ACPI_PTR_DIFF(a,b) (ACPI_NATIVE_UINT) ((char *)(a) - (char *)(b))
#define ACPI_CAST_PTR(t, p) ((t *) (ACPI_UINTPTR_T) (p))
#define ACPI_CAST_INDIRECT_PTR(t, p) ((t **) (ACPI_UINTPTR_T) (p))
#define ACPI_ADD_PTR(t,a,b) ACPI_CAST_PTR (t, (ACPI_CAST_PTR (UINT8,(a)) + (ACPI_NATIVE_UINT)(b)))
#define ACPI_PTR_DIFF(a,b) (ACPI_NATIVE_UINT) (ACPI_CAST_PTR (UINT8,(a)) - ACPI_CAST_PTR (UINT8,(b)))
/* Pointer/Integer type conversions */
#define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void, (void *) NULL,(ACPI_NATIVE_UINT)i)
#define ACPI_TO_POINTER(i) ACPI_ADD_PTR (void,(void *) NULL,(ACPI_NATIVE_UINT) i)
#define ACPI_TO_INTEGER(p) ACPI_PTR_DIFF (p,(void *) NULL)
#define ACPI_OFFSET(d,f) (ACPI_SIZE) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
#define ACPI_FADT_OFFSET(f) ACPI_OFFSET (FADT_DESCRIPTOR, f)
@ -208,7 +215,7 @@
#if ACPI_MACHINE_WIDTH == 16
#define ACPI_STORE_POINTER(d,s) ACPI_MOVE_32_TO_32(d,s)
#define ACPI_PHYSADDR_TO_PTR(i) (void *)(i)
#define ACPI_PTR_TO_PHYSADDR(i) (UINT32) (char *)(i)
#define ACPI_PTR_TO_PHYSADDR(i) (UINT32) ACPI_CAST_PTR (UINT8,(i))
#else
#define ACPI_PHYSADDR_TO_PTR(i) ACPI_TO_POINTER(i)
#define ACPI_PTR_TO_PHYSADDR(i) ACPI_TO_INTEGER(i)