48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
#include <zinnia/console.h>
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#include <zinnia/init.h>
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#include <zinnia/print.h>
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#include <zinnia/spin.h>
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static struct console* registered = nullptr;
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static struct spinlock console_lock;
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void console_write(const char* buf, size_t len) {
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spin_lock(&console_lock);
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for (struct console* con = registered; con; con = con->next)
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con->write(con, buf, len);
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spin_unlock(&console_lock);
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}
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static void console_replay_write(void* ctx, const char* buf, size_t len) {
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struct console* con = ctx;
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con->write(con, buf, len);
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}
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bool console_register(struct console* con) {
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if (!con->init(con))
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return false;
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con->write(con, "\ec", 2);
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log_replay(console_replay_write, con);
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spin_lock(&console_lock);
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con->next = registered;
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registered = con;
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spin_unlock(&console_lock);
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log("console: Registered console \"%s\"\n", con->name);
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return true;
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}
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void console_unregister(struct console* con) {
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spin_lock(&console_lock);
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for (struct console** link = ®istered; *link; link = &(*link)->next) {
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if (*link == con) {
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*link = con->next;
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break;
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}
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}
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spin_unlock(&console_lock);
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}
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INIT_TASK(console_stage, "core.console");
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