mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-08-01 15:30:29 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Get aarch64 hello world working

Browse source 
$ m=aarch64-tiny
    $ make -j8 m=$m o/$m/tool/hello/hello.com o/third_party/qemu/qemu-aarch64
    $ o/third_party/qemu/qemu-aarch64 o/$m/tool/hello/hello.com
    hello world
    $ ls -hal o/$m/tool/hello/hello.com
    -rwxr-xr-x 1 jart jart 4.0K May  9 05:04 o/aarch64-tiny/tool/hello/hello.com
This commit is contained in:
Justine Tunney 2023-05-09 02:35:05 -07:00
parent e5e3cdf447
commit ae0ee59614
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
174 changed files with 1454 additions and 851 deletions
Download patch file Download diff file Expand all files Collapse all files

48
third_party/compiler_rt/ashlti3.c vendored
View file

@ -1,48 +0,0 @@
/* clang-format off */
/* ===-- ashlti3.c - Implement __ashlti3 -----------------------------------===
*
* The LLVM Compiler Infrastructure
*
* This file is dual licensed under the MIT and the University of Illinois Open
* Source Licenses. See LICENSE.TXT for details.
*
* ===----------------------------------------------------------------------===
*
* This file implements __ashlti3 for the compiler_rt library.
*
* ===----------------------------------------------------------------------===
*/
STATIC_YOINK("huge_compiler_rt_license");
#include "third_party/compiler_rt/int_lib.h"
#ifdef CRT_HAS_128BIT
/* Returns: a << b */
/* Precondition: 0 <= b < bits_in_tword */
COMPILER_RT_ABI ti_int
__ashlti3(ti_int a, si_int b)
{
const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT);
twords input;
twords result;
input.all = a;
if (b & bits_in_dword) /* bits_in_dword <= b < bits_in_tword */
{
result.s.low = 0;
result.s.high = input.s.low << (b - bits_in_dword);
}
else /* 0 <= b < bits_in_dword */
{
if (b == 0)
return a;
result.s.low = input.s.low << b;
result.s.high = (input.s.high << b) | (input.s.low >> (bits_in_dword - b));
}
return result.all;
}
#endif /* CRT_HAS_128BIT */

5
third_party/qemu/qemu.mk vendored
View file

@ -2,7 +2,6 @@
#───vi: set et ft=make ts=8 tw=8 fenc=utf-8 :vi───────────────────────┘
o/third_party/qemu/qemu-aarch64: \
third_party/qemu/qemu-aarch64.gz \
o/$(MODE)/tool/build/gzip.com
third_party/qemu/qemu-aarch64.gz
@$(MKDIR) $(@D)
@o/$(MODE)/tool/build/gzip.com $(ZFLAGS) -cd <$< >$@
@$(GZIP) $(ZFLAGS) -cd <$< >$@

2
third_party/xed/xed.mk vendored
View file

@ -32,7 +32,7 @@ THIRD_PARTY_XED_A_DIRECTDEPS = \
THIRD_PARTY_XED_A_DEPS := \
$(call uniq,$(foreach x,$(THIRD_PARTY_XED_A_DIRECTDEPS),$($(x))))
ifneq ($(MODE), aarch64)
ifneq ($(ARCH), aarch64)
o/$(MODE)/third_party/xed/x86ild.greg.o: private \
OVERRIDE_CFLAGS += \
-mstringop-strategy=unrolled_loop