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Add hos.memory module in src/common

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This commit is contained in:
Josh Holtrop 2022-03-18 00:07:10 -04:00
parent cd2f3f9a84
commit 1bc8722098
2 changed files with 60 additions and 3 deletions
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6
Rsconscript
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@ -73,10 +73,10 @@ end
hello_env = env "hello", use: %w[ldc2 x86_64-w64-mingw32-gcc] do |env|
env.add_builder(Image)
env["sources"] = glob("src/hello/**/*.d", "src/hulk/hulk/bootinfo.d")
env["sources"] = glob("src/hello/**/*.d")
env["sources"] += glob("uefi-d/source/**/*.d")
env["DFLAGS"] += %w[-mtriple=x86_64-unknown-windows-coff --betterC -release -O3 --wi]
env["D_IMPORT_PATH"] += %w[src/hello src/hulk uefi-d/source]
env["DFLAGS"] += %w[-mtriple=x86_64-unknown-windows-coff --betterC -release -O3 --wi --enable-cross-module-inlining]
env["D_IMPORT_PATH"] += %w[src/hello src/hulk uefi-d/source src/common]
env["LD"] = "x86_64-w64-mingw32-gcc"
env["LDFLAGS"] += %w[-nostdlib -Wl,-dll -shared -Wl,--subsystem,10 -e efi_main -Wl,-Map,${_TARGET}.map]
env["LDCMD"] = %w[${LD} -o ${_TARGET} ${LDFLAGS} ${_SOURCES} ${LIBDIRPREFIX}${LIBPATH} ${LIBLINKPREFIX}${LIBS}]

57
src/common/hos/memory.d Normal file
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@ -0,0 +1,57 @@
import ldc.llvmasm;
void memset(void * dest, ubyte v, size_t n)
{
__asm("rep stosb",
"{al},{rcx},{rdi},~{rcx},~{rdi},~{memory}",
v, n, dest);
}
void memset16(void * dest, ushort v, size_t n)
{
__asm("rep stosw",
"{ax},{rcx},{rdi},~{rcx},~{rdi},~{memory}",
v, n, dest);
}
void memset32(void * dest, uint v, size_t n)
{
__asm("rep stosl",
"{eax},{rcx},{rdi},~{rcx},~{rdi},~{memory}",
v, n, dest);
}
void memset64(void * dest, ulong v, size_t n)
{
__asm("rep stosq",
"{rax},{rcx},{rdi},~{rcx},~{rdi},~{memory}",
v, n, dest);
}
void memcpy(void * dest, void * src, size_t n)
{
__asm("rep movsb",
"{rcx},{rsi},{rdi},~{rcx},~{rsi},~{rdi},~{memory}",
n, src, dest);
}
void memcpy16(void * dest, void * src, size_t n)
{
__asm("rep movsw",
"{rcx},{rsi},{rdi},~{rcx},~{rsi},~{rdi},~{memory}",
n, src, dest);
}
void memcpy32(void * dest, void * src, size_t n)
{
__asm("rep movsl",
"{rcx},{rsi},{rdi},~{rcx},~{rsi},~{rdi},~{memory}",
n, src, dest);
}
void memcpy64(void * dest, void * src, size_t n)
{
__asm("rep movsq",
"{rcx},{rsi},{rdi},~{rcx},~{rsi},~{rdi},~{memory}",
n, src, dest);
}