Changeset a218709 in mainline for kernel/arch/sparc32/include/arch/arch.h

Timestamp:

2013-12-02T23:45:45Z (12 years ago)

Author:

Jakub Klama <jakub.klama@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

2955bb9

Parents:

3bc42bd

Message:

Implement new userspace window trap mechanism, which utilizes MMU probe
to choose between slow (preemptive, involving inserting stack page mapping)
and fast (direct) handlers.

File:

• kernel/arch/sparc32/include/arch/arch.h (modified) (2 diffs)

kernel/arch/sparc32/include/arch/arch.h

@@ -40 +40 @@
 
 #include <typedefs.h>
+#include <arch/istate.h>
 
 #define NWINDOWS        8
@@ -76 +77 @@
 extern void arch_pre_main(void *unused, bootinfo_t *bootinfo);
 extern void write_to_invalid(uint32_t l0, uint32_t l1, uint32_t l2);
+extern void read_from_invalid(uint32_t *l0, uint32_t *l1, uint32_t *l2);
+extern void preemptible_save_uspace(uintptr_t sp, istate_t *istate);
+extern void preemptible_restore_uspace(uintptr_t sp, istate_t *istate);
+extern void flush_windows(void);
 
 #endif