Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Turns out that the interrupts were temporarily turned on during startup,

Browse Source 
and that main2() cannot therefore just wait until interrupts become
enabled.
Now, the main2() thread is resumed after interrupts are turned on.
I am not yet sure if this is really necessary, but I have the feeling that it is.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9531 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2004-10-27 14:00:40 +00:00
parent 4002d2d272
commit b81068c0c8
1 changed files with 6 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/kernel/core/main.c
View File

@ -55,6 +55,8 @@ int _start(kernel_args *oldka, int cpu); /* keep compiler happy */
int
_start(kernel_args *oldka, int cpu_num)
{
thread_id thread = -1;
kernel_startup = true;
if (oldka->kernel_args_size != sizeof(kernel_args)
@ -123,10 +125,7 @@ _start(kernel_args *oldka, int cpu_num)
elf_init(&ka);
// start a thread to finish initializing the rest of the system
{
thread_id thread = spawn_kernel_thread(&main2, "main2", B_NORMAL_PRIORITY, NULL);
resume_thread(thread);
}
thread = spawn_kernel_thread(&main2, "main2", B_NORMAL_PRIORITY, NULL);
smp_wake_up_all_non_boot_cpus();
smp_enable_ici(); // ici's were previously being ignored
@ -143,6 +142,9 @@ _start(kernel_args *oldka, int cpu_num)
kernel_startup = false;
enable_interrupts();
if (thread >= B_OK)
resume_thread(thread);
TRACE(("main: done... begin idle loop on cpu %d\n", cpu_num));
for (;;)
arch_cpu_idle();
@ -170,11 +172,6 @@ main2(void *unused)
TRACE(("Bootstrap file systems\n"));
vfs_bootstrap_file_systems();
// before we bring up the device drivers, we better wait until
// interrupts become available, to make sure they'll work as expected
while (!are_interrupts_enabled())
snooze(10000);
TRACE(("Init Device Manager\n"));
device_manager_init(&ka);