| /SPARTAN/trunk/arch/ia32/_link.ld.in |
|---|
| 12,7 → 12,7 |
| #include <arch/boot/boot.h> |
| #include <arch/mm/page.h> |
| OUTPUT_FORMAT(binary) |
| OUTPUT_FORMAT(BFD) |
| ENTRY(kernel_image_start) |
| SECTIONS { |
| /SPARTAN/trunk/arch/ia32/include/barrier.h |
|---|
| 43,18 → 43,16 |
| #define CS_ENTER_BARRIER() __asm__ volatile ("" ::: "memory") |
| #define CS_LEAVE_BARRIER() __asm__ volatile ("" ::: "memory") |
| #ifdef __STRONG_ORDERING__ |
| #define memory_barrier() |
| #define read_barrier() |
| #define write_barrier() |
| #if (FENCES == p4) |
| # define memory_barrier() __asm__ volatile ("mfence\n" ::: "memory") |
| # define read_barrier() __asm__ volatile ("sfence\n" ::: "memory") |
| # define write_barrier() __asm__ volatile ("lfence\n" ::: "memory") |
| #elif (FENCES == p3) |
| # define memory_barrier() __asm__ volatile ("xchgl %%eax,%%eax\n" ::: "memory") |
| # define read_barrier() __asm__ volatile ("sfence\n" ::: "memory") |
| # define write_barrier() __asm__ volatile ("xchgl %%eax,%%eax\n" ::: "memory") |
| #else |
| #define memory_barrier() __asm__ volatile ("mfence\n" ::: "memory") |
| #define read_barrier() __asm__ volatile ("sfence\n" ::: "memory") |
| #define write_barrier() __asm__ volatile ("lfence\n" ::: "memory") |
| # error Unsupported FENCES value |
| #endif |
| #endif |
| /SPARTAN/trunk/arch/ia32/Makefile.inc |
|---|
| 31,6 → 31,7 |
| BFD_NAME = elf32-i386 |
| BFD_ARCH = i386 |
| BFD = binary |
| TARGET = i686-pc-linux-gnu |
| TOOLCHAIN_DIR = /usr/local/i686/bin |
| 46,22 → 47,28 |
| ifeq ($(CPU),athlon-xp) |
| CFLAGS += -march=athlon-xp -mmmx -msse -m3dnow |
| DEFS += -DFENCES=486 |
| DEFS += -DFENCES=p3 |
| CONFIG_SMP = n |
| CONFIG_HT = n |
| endif |
| ifeq ($(CPU),athlon-mp) |
| CFLAGS += -march=athlon-mp -mmmx -msse -m3dnow |
| DEFS += -DFENCES=486 |
| DEFS += -DFENCES=p3 |
| CONFIG_HT = n |
| endif |
| ifeq ($(CPU),pentium3) |
| CFLAGS += -march=pentium3 -mmmx -msse -msse2 |
| DEFS += -DFENCES=486 |
| CFLAGS += -march=pentium3 -mmmx -msse |
| DEFS += -DFENCES=p3 |
| CONFIG_HT = n |
| endif |
| ifeq ($(CPU),pentium4) |
| ifeq ($(CPU),prescott) |
| CFLAGS += -march=pentium4 -mfpmath=sse -mmmx -msse -msse2 -msse3 |
| DEFS += -DFENCES=p4 |
| endif |
| ifeq ($(CPU),pentium4) |
| CFLAGS += -march=pentium4 -mfpmath=sse -mmmx -msse -msse2 |
| DEFS += -DFENCES=p4 |
| endif |
| ## Own configuration directives |
| # |