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The alpha architecture is 64 bits, so bus_addr_t && bus_size_t should really

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be 64 bits wide. The largest known current actual physical implementation
is 40 bits, so BUS_SPACE_MAXADDR should reflect this. It also seems to
me that BUS_SPACE_UNRESTRICTED should b ~0UL, not ~0.
This commit is contained in:
Matt Jacob 2001-01-09 18:17:48 +00:00
parent 89ea5c2a49
commit f0cab81245
1 changed files with 5 additions and 4 deletions
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9
sys/alpha/include/bus.h
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@ -75,8 +75,8 @@
/*
* Bus address and size types
*/
typedef u_int32_t bus_addr_t;
typedef u_int32_t bus_size_t;
typedef u_int64_t bus_addr_t;
typedef u_int64_t bus_size_t;
typedef struct alpha_busspace *bus_space_tag_t;
typedef u_int32_t bus_space_handle_t;
@ -85,9 +85,10 @@ typedef u_int32_t bus_space_handle_t;
#define BUS_SPACE_MAXSIZE (64 * 1024) /* Maximum supported size */
#define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
#define BUS_SPACE_MAXADDR 0xFFFFFFFF
/* The largest address space known so far is 40 bits */
#define BUS_SPACE_MAXADDR 0xFFFFFFFFFUL
#define BUS_SPACE_UNRESTRICTED (~0)
#define BUS_SPACE_UNRESTRICTED (~0UL)
struct alpha_busspace;