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splash-log: Keep primary messages on screen

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This commit is contained in:
K Lange 2021-06-07 22:00:20 +09:00
parent 6842a57955
commit 153d34e3ac
1 changed files with 22 additions and 4 deletions
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26
apps/splash-log.c
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@ -1,7 +1,7 @@
/* vim: tabstop=4 shiftwidth=4 noexpandtab
* This file is part of ToaruOS and is released under the terms
* of the NCSA / University of Illinois License - see LICENSE.md
* Copyright (C) 2018 K. Lange
* Copyright (C) 2018-2021 K. Lange
*
* splash-log - Display startup messages before UI has started.
*/
@ -12,6 +12,7 @@
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/utsname.h>
#include <kernel/video.h>
#include <toaru/pex.h>
@ -51,10 +52,14 @@ static void write_char(int x, int y, int val, uint32_t color) {
}
}
static unsigned int line_offset = 0;
static void update_message(char * c, int line) {
if (framebuffer_fd < 0) return;
int x = 20;
int y = 20 + char_height * line;
int y = 20 + line_offset * char_height;
if (line == 0) {
line_offset++;
}
while (*c) {
write_char(x, y, *c, FG_COLOR);
c++;
@ -93,6 +98,20 @@ static void open_socket(void) {
if (!pex_endpoint) exit(1);
}
static void say_hello(void) {
/* Get our release version */
struct utsname u;
uname(&u);
/* Strip git tag */
char * tmp = strstr(u.release, "-");
if (tmp) *tmp = '\0';
/* Setup hello message */
char hello_msg[512];
snprintf(hello_msg, 511, "ToaruOS %s is starting up...", u.release);
/* Add it to the log */
update_message(hello_msg, 0);
}
int main(int argc, char * argv[]) {
if (getuid() != 0) {
fprintf(stderr, "%s: only root should run this\n", argv[0]);
@ -103,9 +122,8 @@ int main(int argc, char * argv[]) {
if (!fork()) {
check_framebuffer();
//printf("splash daemon is running, framebuffer (%ldx%ld) is at %p\n", width, height, framebuffer);
clear_screen();
update_message("ToaruOS is starting up...", 0);
say_hello();
while (1) {
pex_packet_t * p = calloc(PACKET_SIZE, 1);