diff options
Diffstat (limited to 'arch/x86_64/src/context_switching/main.cpp')
| -rw-r--r-- | arch/x86_64/src/context_switching/main.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86_64/src/context_switching/main.cpp b/arch/x86_64/src/context_switching/main.cpp index 7fe159e..6c6ec1a 100644 --- a/arch/x86_64/src/context_switching/main.cpp +++ b/arch/x86_64/src/context_switching/main.cpp @@ -27,6 +27,7 @@ namespace teachos::arch::context_switching auto user_mode_main() -> void { + // TODO: Remove or replace this wall of text // RFLAGS is saved into R11, RIP of the next instruction into RCX // Required for SYSRETURN to know where to return too. // Additional state needs to be saved by calling convention: @@ -38,7 +39,7 @@ namespace teachos::arch::context_switching // Actual Source: https://man7.org/linux/man-pages/man2/syscall.2.html More cleare documentation: // https://sys.readthedocs.io/en/latest/doc/05_calling_system_calls.html - const char syscall_message[32] = "Successfully entered user mode!"; + const char syscall_message[68] = "Successfully entered user mode and wrote to VGA buffer via syscall!"; auto error = syscall::syscall(syscall::WRITE, {reinterpret_cast<uint64_t>(&syscall_message)}); if (!error) |