xnu-344.49.tar.gz

[apple/xnu.git] / osfmk / mach / ppc / vm_param.h

diff --git a/osfmk/mach/ppc/vm_param.h b/osfmk/mach/ppc/vm_param.h
index d14a6e90663587da9a367d1e15e876c31fdff26e..e011515820df1505fdb102bbbd3711890e6136cc 100644 (file)
--- a/osfmk/mach/ppc/vm_param.h
+++ b/osfmk/mach/ppc/vm_param.h
@@ -38,10 +38,16 @@
 
 #define VM_MIN_KERNEL_ADDRESS  ((vm_offset_t) 0x00001000)
 
 
 #define VM_MIN_KERNEL_ADDRESS  ((vm_offset_t) 0x00001000)
 

-#define VM_MAX_KERNEL_ADDRESS  ((vm_offset_t) 0xDFFFFFFF)
+/* We map the kernel using only SR0,SR1,SR2,SR3 leaving segments alone */
+#define VM_MAX_KERNEL_ADDRESS  ((vm_offset_t) 0x3fffffff)

 
 #define USER_STACK_END  ((vm_offset_t) 0xffff0000U)
 
 
 #define USER_STACK_END  ((vm_offset_t) 0xffff0000U)
 

+#define ppc_round_page(x)      ((((unsigned)(x)) + PPC_PGBYTES - 1) & \
+                                       ~(PPC_PGBYTES-1))
+#define ppc_trunc_page(x)      (((unsigned)(x)) & ~(PPC_PGBYTES-1))
+
+

 #define KERNEL_STACK_SIZE      (4 * PPC_PGBYTES)
 #define INTSTACK_SIZE          (5 * PPC_PGBYTES)
 
 #define KERNEL_STACK_SIZE      (4 * PPC_PGBYTES)
 #define INTSTACK_SIZE          (5 * PPC_PGBYTES)