diff options
Diffstat (limited to 'lib/mlibc/sysdeps/managarm/generic/memory.cpp')
-rw-r--r-- | lib/mlibc/sysdeps/managarm/generic/memory.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/mlibc/sysdeps/managarm/generic/memory.cpp b/lib/mlibc/sysdeps/managarm/generic/memory.cpp new file mode 100644 index 0000000..91e47af --- /dev/null +++ b/lib/mlibc/sysdeps/managarm/generic/memory.cpp @@ -0,0 +1,30 @@ + +#include <string.h> + +#include <bits/ensure.h> +#include <mlibc/allocator.hpp> +#include <mlibc/all-sysdeps.hpp> +#include <protocols/posix/supercalls.hpp> + +#include <hel.h> +#include <hel-syscalls.h> + +namespace mlibc { + +int sys_anon_allocate(size_t size, void **pointer) { + // This implementation is inherently signal-safe. + __ensure(!(size & 0xFFF)); + HelWord out; + HEL_CHECK(helSyscall1_1(kHelCallSuper + posix::superAnonAllocate, size, &out)); + *pointer = reinterpret_cast<void *>(out); + return 0; +} + +int sys_anon_free(void *pointer, size_t size) { + // This implementation is inherently signal-safe. + HEL_CHECK(helSyscall2(kHelCallSuper + posix::superAnonDeallocate, (HelWord)pointer, size)); + return 0; +} + +} //namespace mlibc + |