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use simpler REGPARM convention - make CPUTLBEntry size a power of two

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3935 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2008-01-31 09:22:27 +00:00
parent 0019ad5346
commit d656469f44
4 changed files with 28 additions and 17 deletions
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16
cpu-defs.h
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@ -102,6 +102,12 @@ typedef unsigned long ram_addr_t;
#define CPU_TLB_BITS 8
#define CPU_TLB_SIZE (1 << CPU_TLB_BITS)
#if TARGET_PHYS_ADDR_BITS == 32 && TARGET_LONG_BITS == 32
#define CPU_TLB_ENTRY_BITS 4
#else
#define CPU_TLB_ENTRY_BITS 5
#endif
typedef struct CPUTLBEntry {
/* bit 31 to TARGET_PAGE_BITS : virtual address
bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io
@ -113,7 +119,17 @@ typedef struct CPUTLBEntry {
target_ulong addr_write;
target_ulong addr_code;
/* addend to virtual address to get physical address */
#if TARGET_PHYS_ADDR_BITS == 64
/* on i386 Linux make sure it is aligned */
target_phys_addr_t addend __attribute__((aligned(8)));
#else
target_phys_addr_t addend;
#endif
/* padding to get a power of two size */
uint8_t dummy[(1 << CPU_TLB_ENTRY_BITS) -
(sizeof(target_ulong) * 3 +
((-sizeof(target_ulong) * 3) & (sizeof(target_phys_addr_t) - 1)) +
sizeof(target_phys_addr_t))];
} CPUTLBEntry;
#define CPU_COMMON \