Changeset b6b02c0 in mainline for uspace

Timestamp:

2013-09-01T19:15:59Z (12 years ago)

Author:

Jakub Klama <jakub.klama@…>

Branches:

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

Children:

b77207e, ef9a2a8

Parents:

b886b60

Message:

Initial work on sparc32 architecture support.

• /boot/arch/sparc32 loosely based on arm32 port
• /kernel/arch/sparc32 based on abs32le template
• /uspace/lib/c/arch/sparc32 based on sparc64 implementation with incompatible parts temporarily commented out.

Work currently done:

• AMBA plug and play support in loader
• initial MMU setup
• kernel booting
• register window traps
• context_save_arch/context_restore_arch

Completed milestones: M1, M2

Location:

uspace/lib/c

Files:

• arch/sparc32/Makefile.common (added)
• arch/sparc32/Makefile.inc (added)
• arch/sparc32/_link.ld.in (added)
• arch/sparc32/include/libarch/atomic.h (added)
• arch/sparc32/include/libarch/barrier.h (added)
• arch/sparc32/include/libarch/config.h (added)
• arch/sparc32/include/libarch/context_offset.h (added)
• arch/sparc32/include/libarch/ddi.h (added)
• arch/sparc32/include/libarch/elf.h (added)
• arch/sparc32/include/libarch/elf_linux.h (added)
• arch/sparc32/include/libarch/faddr.h (added)
• arch/sparc32/include/libarch/fibril.h (added)
• arch/sparc32/include/libarch/inttypes.h (added)
• arch/sparc32/include/libarch/istate.h (added)
• arch/sparc32/include/libarch/regdef.h (added)
• arch/sparc32/include/libarch/stack.h (added)
• arch/sparc32/include/libarch/stackarg.h (added)
• arch/sparc32/include/libarch/syscall.h (added)
• arch/sparc32/include/libarch/thread.h (added)
• arch/sparc32/include/libarch/tls.h (added)
• arch/sparc32/include/libarch/types.h (added)
• arch/sparc32/src/entry.s (added)
• arch/sparc32/src/entryjmp.s (added)
• arch/sparc32/src/fibril.S (added)
• arch/sparc32/src/stacktrace.c (added)
• arch/sparc32/src/stacktrace_asm.S (added)
• arch/sparc32/src/thread_entry.s (added)
• arch/sparc32/src/tls.c (added)
• include/atomicdflt.h (modified) (1 diff)

uspace/lib/c/include/atomicdflt.h

@@ -60 +60 @@
 static inline bool cas(atomic_t *val, atomic_count_t ov, atomic_count_t nv)
 {
-        return __sync_bool_compare_and_swap(&val->count, ov, nv);
+// XXX  return __sync_bool_compare_and_swap(&val->count, ov, nv);
+        return false;
 }
 #endif