diff options
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/Makefile.inc | 8 | ||||
| -rw-r--r-- | src/arch/x86/include/div64.h | 30 |
2 files changed, 4 insertions, 34 deletions
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc index 98723f3f1a..0892efd37b 100644 --- a/src/arch/x86/Makefile.inc +++ b/src/arch/x86/Makefile.inc @@ -354,9 +354,9 @@ endif $(objcbfs)/romstage_null.debug: $$(romstage-objs) $(objgenerated)/romstage_null.ld @printf " LINK $(subst $(obj)/,,$(@))\n" ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y) - $(LD) -nostdlib -nostartfiles -static -o $@ -L$(obj) $(romstage-objs) -T $(objgenerated)/romstage_null.ld + $(LD) -nostdlib -nostartfiles -static -o $@ -L$(obj) --wrap __divdi3 --wrap __udivdi3 --wrap __moddi3 --wrap __umoddi3 --start-group $(romstage-objs) $(LIBGCC_FILE_NAME) --end-group -T $(objgenerated)/romstage_null.ld else - $(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(objgenerated)/romstage_null.ld $(romstage-objs) + $(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(objgenerated)/romstage_null.ld -Wl,--wrap,__divdi3 -Wl,--wrap,__udivdi3 -Wl,--wrap,__moddi3 -Wl,--wrap,__umoddi3 -Wl,--start-group $(romstage-objs) $(LIBGCC_FILE_NAME) -Wl,--end-group endif $(NM) $@ | grep -q " [DdBb] "; if [ $$? -eq 0 ]; then \ echo "Forbidden global variables in romstage:"; \ @@ -366,9 +366,9 @@ endif $(objcbfs)/romstage_xip.debug: $$(romstage-objs) $(objgenerated)/romstage_xip.ld @printf " LINK $(subst $(obj)/,,$(@))\n" ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y) - $(LD) -nostdlib -nostartfiles -static -o $@ -L$(obj) $(romstage-objs) -T $(objgenerated)/romstage_xip.ld + $(LD) -nostdlib -nostartfiles -static -o $@ -L$(obj) --wrap __divdi3 --wrap __udivdi3 --wrap __moddi3 --wrap __umoddi3 --start-group $(romstage-objs) $(LIBGCC_FILE_NAME) --end-group -T $(objgenerated)/romstage_xip.ld else - $(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(objgenerated)/romstage_xip.ld $(romstage-objs) + $(CC) -nostdlib -nostartfiles -static -o $@ -L$(obj) -T $(objgenerated)/romstage_xip.ld -Wl,--wrap,__divdi3 -Wl,--wrap,__udivdi3 -Wl,--wrap,__moddi3 -Wl,--wrap,__umoddi3 -Wl,--start-group $(romstage-objs) $(LIBGCC_FILE_NAME) -Wl,--end-group endif $(objgenerated)/romstage_null.ld: $$(ldscripts) $(obj)/ldoptions diff --git a/src/arch/x86/include/div64.h b/src/arch/x86/include/div64.h deleted file mode 100644 index bbc9921d29..0000000000 --- a/src/arch/x86/include/div64.h +++ /dev/null @@ -1,30 +0,0 @@ -#ifndef __I386_DIV64 -#define __I386_DIV64 - -/* - * do_div() is NOT a C function. It wants to return - * two values (the quotient and the remainder), but - * since that doesn't work very well in C, what it - * does is: - * - * - modifies the 64-bit dividend _in_place_ - * - returns the 32-bit remainder - * - * This ends up being the most efficient "calling - * convention" on x86. - */ -#define do_div(n,base) ({ \ - unsigned long __upper, __low, __high, __mod, __base; \ - __base = (base); \ - asm("":"=a" (__low), "=d" (__high):"A" (n)); \ - __upper = __high; \ - if (__high) { \ - __upper = __high % (__base); \ - __high = __high / (__base); \ - } \ - asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (__base), "0" (__low), "1" (__upper)); \ - asm("":"=A" (n):"a" (__low),"d" (__high)); \ - __mod; \ -}) - -#endif |