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Temporary hack for alpha user-mode emulation.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2606 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
j_mayer 2007-04-05 20:08:21 +00:00
parent f6b647cd9e
commit bedb69ea04
1 changed files with 11 additions and 0 deletions
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11
exec.c
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@ -64,6 +64,9 @@
#if defined(TARGET_SPARC64) #if defined(TARGET_SPARC64)
#define TARGET_PHYS_ADDR_SPACE_BITS 41 #define TARGET_PHYS_ADDR_SPACE_BITS 41
#elif defined(TARGET_ALPHA)
#define TARGET_PHYS_ADDR_SPACE_BITS 42
#define TARGET_VIRT_ADDR_SPACE_BITS 42
#elif defined(TARGET_PPC64) #elif defined(TARGET_PPC64)
#define TARGET_PHYS_ADDR_SPACE_BITS 42 #define TARGET_PHYS_ADDR_SPACE_BITS 42
#else #else
@ -109,7 +112,15 @@ typedef struct PhysPageDesc {
} PhysPageDesc; } PhysPageDesc;
#define L2_BITS 10 #define L2_BITS 10
#if defined(CONFIG_USER_ONLY) && defined(TARGET_VIRT_ADDR_SPACE_BITS)
/* XXX: this is a temporary hack for alpha target.
* In the future, this is to be replaced by a multi-level table
* to actually be able to handle the complete 64 bits address space.
*/
#define L1_BITS (TARGET_VIRT_ADDR_SPACE_BITS - L2_BITS - TARGET_PAGE_BITS)
#else
#define L1_BITS (32 - L2_BITS - TARGET_PAGE_BITS) #define L1_BITS (32 - L2_BITS - TARGET_PAGE_BITS)
#endif
#define L1_SIZE (1 << L1_BITS) #define L1_SIZE (1 << L1_BITS)
#define L2_SIZE (1 << L2_BITS) #define L2_SIZE (1 << L2_BITS)