diff options
Diffstat (limited to 'lib/mlibc/options/internal/x86-include')
-rwxr-xr-x | lib/mlibc/options/internal/x86-include/mlibc/arch-defs.hpp | 13 | ||||
-rwxr-xr-x | lib/mlibc/options/internal/x86-include/mlibc/thread.hpp | 21 |
2 files changed, 34 insertions, 0 deletions
diff --git a/lib/mlibc/options/internal/x86-include/mlibc/arch-defs.hpp b/lib/mlibc/options/internal/x86-include/mlibc/arch-defs.hpp new file mode 100755 index 0000000..aa8fe38 --- /dev/null +++ b/lib/mlibc/options/internal/x86-include/mlibc/arch-defs.hpp @@ -0,0 +1,13 @@ +#ifndef MLIBC_ARCH_DEFS_HPP +#define MLIBC_ARCH_DEFS_HPP + +#include <stddef.h> + +namespace mlibc { + +inline constexpr size_t page_size = 0x1000; + +} // namespace mlibc + +#endif // MLIBC_ARCH_DEFS_HPP + diff --git a/lib/mlibc/options/internal/x86-include/mlibc/thread.hpp b/lib/mlibc/options/internal/x86-include/mlibc/thread.hpp new file mode 100755 index 0000000..3475fb4 --- /dev/null +++ b/lib/mlibc/options/internal/x86-include/mlibc/thread.hpp @@ -0,0 +1,21 @@ +#pragma once + +#include <stdint.h> +#include <mlibc/tcb.hpp> + +namespace mlibc { + +inline Tcb *get_current_tcb() { + uintptr_t ptr; + asm ("movl %%gs:0, %0" : "=r"(ptr)); + return reinterpret_cast<Tcb *>(ptr); +} + +inline uintptr_t get_sp() { + uintptr_t esp; + asm ("mov %%esp, %0" : "=r"(esp)); + return esp; +} + +} // namespace mlibc + |