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src: Add preliminary support for Linux AArch64

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Tested via `tests/core`, on a Raspberry Pi 4 running the latest
64-bit Raspberry Pi OS image (LLVM 11).
This commit is contained in:
Yawning Angel
2021-12-23 02:46:32 +00:00
parent 5752a374ab
commit dce120258f
3 changed files with 20 additions and 0 deletions
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14
src/build_settings.cpp
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@@ -300,6 +300,14 @@ gb_global TargetMetrics target_linux_amd64 = {
str_lit("x86_64-pc-linux-gnu"),
str_lit("e-m:w-i64:64-f80:128-n8:16:32:64-S128"),
};
gb_global TargetMetrics target_linux_arm64 = {
TargetOs_linux,
TargetArch_arm64,
8,
16,
str_lit("aarch64-linux-elf"),
str_lit("e-m:e-i8:8:32-i16:32-i64:64-i128:128-n32:64-S128"),
};
gb_global TargetMetrics target_darwin_amd64 = {
TargetOs_darwin,
@@ -394,6 +402,7 @@ gb_global NamedTargetMetrics named_targets[] = {
{ str_lit("essence_amd64"), &target_essence_amd64 },
{ str_lit("linux_386"), &target_linux_386 },
{ str_lit("linux_amd64"), &target_linux_amd64 },
{ str_lit("linux_arm64"), &target_linux_arm64 },
{ str_lit("windows_386"), &target_windows_386 },
{ str_lit("windows_amd64"), &target_windows_amd64 },
{ str_lit("freebsd_386"), &target_freebsd_386 },
@@ -880,6 +889,8 @@ void init_build_context(TargetMetrics *cross_target) {
#endif
#elif defined(GB_SYSTEM_FREEBSD)
metrics = &target_freebsd_amd64;
#elif defined(GB_CPU_ARM)
metrics = &target_linux_arm64;
#else
metrics = &target_linux_amd64;
#endif
@@ -959,6 +970,9 @@ void init_build_context(TargetMetrics *cross_target) {
case TargetOs_darwin:
bc->link_flags = str_lit("-arch arm64 ");
break;
case TargetOs_linux:
bc->link_flags = str_lit("-arch aarch64 ");
break;
}
} else if (is_arch_wasm()) {
gbString link_flags = gb_string_make(heap_allocator(), " ");

2
src/gb/gb.h
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@@ -3355,6 +3355,8 @@ gb_inline u32 gb_thread_current_id(void) {
__asm__("mov %%gs:0x08,%0" : "=r"(thread_id));
#elif defined(GB_ARCH_64_BIT) && defined(GB_CPU_X86)
__asm__("mov %%fs:0x10,%0" : "=r"(thread_id));
#elif defined(GB_SYSTEM_LINUX)
thread_id = gettid();
#else
#error Unsupported architecture for gb_thread_current_id()
#endif

4
src/threading.cpp
View File

@@ -296,6 +296,8 @@ u32 thread_current_id(void) {
__asm__("mov %%gs:0x08,%0" : "=r"(thread_id));
#elif defined(GB_ARCH_64_BIT) && defined(GB_CPU_X86)
__asm__("mov %%fs:0x10,%0" : "=r"(thread_id));
#elif defined(GB_SYSTEM_LINUX)
thread_id = gettid();
#else
#error Unsupported architecture for thread_current_id()
#endif
@@ -315,6 +317,8 @@ gb_inline void yield_thread(void) {
#endif
#elif defined(GB_CPU_X86)
_mm_pause();
#elif defined(GB_CPU_ARM)
__asm__ volatile ("yield" : : : "memory");
#else
#error Unknown architecture
#endif