Changeset 8c15255 in mainline for uspace/lib/c


Ignore:
Timestamp:
2011-08-18T21:32:56Z (14 years ago)
Author:
Martin Sucha <sucha14@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
ac7f81d
Parents:
f4fa6d9
Message:

Add support for i486/vortex86 processor

Location:
uspace/lib/c/arch/ia32
Files:
2 edited
1 moved

Legend:

Unmodified
Added
Removed

  • uspace/lib/c/arch/ia32/Makefile.common

    rf4fa6d9 r8c15255  
    2828
    2929CLANG_ARCH = i386
     30ifeq ($(PROCESSOR),i486)
     31GCC_CFLAGS += -march=i486 -fno-omit-frame-pointer
     32else
    3033GCC_CFLAGS += -march=pentium -fno-omit-frame-pointer
     34endif
    3135
    3236ENDIANESS = LE

  • uspace/lib/c/arch/ia32/Makefile.inc

    rf4fa6d9 r8c15255  
    2828
    2929ARCH_SOURCES = \
    30         arch/$(UARCH)/src/entry.s \
     30        arch/$(UARCH)/src/entry.S \
    3131        arch/$(UARCH)/src/entryjmp.s \
    3232        arch/$(UARCH)/src/thread_entry.s \

  • uspace/lib/c/arch/ia32/src/entry.S

    rf4fa6d9 r8c15255  
    4646        mov %ax, %fs
    4747        # Do not set %gs, it contains descriptor that can see TLS
    48        
     48
     49#ifndef PROCESSOR_i486 
    4950        # Detect the mechanism used for making syscalls
    5051        movl $(INTEL_CPUID_STANDARD), %eax
    … …  
    5556        movl $__syscall_fast, (%eax)
    56570:
     58#endif
    5759        #
    5860        # Create the first stack frame.
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