gwj / at91sam9263 · Commits

Commit bedb69ea0453a65a1c5a7b159ab485c542ecd15c

Authored by j_mayer
1 parent f6b647cd

Temporary hack for alpha user-mode emulation. 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2606 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 1 changed file with 11 additions and 0 deletions
... ... @@ -64,6 +64,9 @@
64 64  
65 65 #if defined(TARGET_SPARC64)
66 66 #define TARGET_PHYS_ADDR_SPACE_BITS 41
  67 +#elif defined(TARGET_ALPHA)
  68 +#define TARGET_PHYS_ADDR_SPACE_BITS 42
  69 +#define TARGET_VIRT_ADDR_SPACE_BITS 42
67 70 #elif defined(TARGET_PPC64)
68 71 #define TARGET_PHYS_ADDR_SPACE_BITS 42
69 72 #else
... ... @@ -109,7 +112,15 @@ typedef struct PhysPageDesc {
109 112 } PhysPageDesc;
110 113  
111 114 #define L2_BITS 10
  115 +#if defined(CONFIG_USER_ONLY) && defined(TARGET_VIRT_ADDR_SPACE_BITS)
  116 +/* XXX: this is a temporary hack for alpha target.
  117 + * In the future, this is to be replaced by a multi-level table
  118 + * to actually be able to handle the complete 64 bits address space.
  119 + */
  120 +#define L1_BITS (TARGET_VIRT_ADDR_SPACE_BITS - L2_BITS - TARGET_PAGE_BITS)
  121 +#else
112 122 #define L1_BITS (32 - L2_BITS - TARGET_PAGE_BITS)
  123 +#endif
113 124  
114 125 #define L1_SIZE (1 << L1_BITS)
115 126 #define L2_SIZE (1 << L2_BITS)
... ...