From 9d53b87be6a947bff78e202be5641990b58d47a0 Mon Sep 17 00:00:00 2001 From: Marvin Borner Date: Sat, 8 May 2021 13:16:07 +0200 Subject: Better serial management Yay, I wrote my final information technology exam yesterday (abitur). Only english and mathematics are left now - hype!! (sorry for polluting my commit messages with useless personal news but this will affect the future of Melvix as my free time and therefore the time that I'm working on this project will increase massively once I'm finished with all my exams) --- kernel/multiboot.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) (limited to 'kernel/multiboot.c') diff --git a/kernel/multiboot.c b/kernel/multiboot.c index 8fa7aa6..c99959c 100644 --- a/kernel/multiboot.c +++ b/kernel/multiboot.c @@ -2,20 +2,34 @@ #include #include +#include #include #include +#include PROTECTED static struct multiboot_info *info = NULL; +CLEAR static void multiboot_parse_cmdline(const char *line) +{ + const char *start = line; + for (const char *p = line; p && *p; p++) { + if (*p == ' ') + start = p + 1; + + if (memcmp(start, "log", 3) == 0) { + serial_enable(); + start += 3; + } + } +} + CLEAR void multiboot_init(u32 magic, u32 addr) { assert(magic == MULTIBOOT_MAGIC); info = (void *)addr; - if (info->flags & MULTIBOOT_INFO_CMDLINE) { - // TODO: Do something useful with grub cmdline? - /* printf("CMDLINE: '%s'\n", info->cmdline); */ - } + if (info->flags & MULTIBOOT_INFO_CMDLINE) + multiboot_parse_cmdline((const char *)info->cmdline); } CLEAR u32 multiboot_vbe(void) -- cgit v1.2.3