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-rw-r--r--kernel/acpi.c6
-rw-r--r--kernel/kernel.c29
2 files changed, 12 insertions, 23 deletions
diff --git a/kernel/acpi.c b/kernel/acpi.c
index da16be8..586336c 100644
--- a/kernel/acpi.c
+++ b/kernel/acpi.c
@@ -65,8 +65,10 @@ uint8_t *apci_get_next_entry(uint8_t *addr,smp_processors *procdata)
// usable
if(addr[4]&1)
{
- if(procdata->processors>=SMP_MAX_PROC)
+ if(procdata->processors>=SMP_MAX_PROC){
+
panic(FOOLOS_MODULE_NAME,"we do not support that many processors. recompile with higher SMP_MAX_PROC.");
+ }
procdata->local_apic_id[procdata->processors]=addr[3];
procdata->processors++;
@@ -139,6 +141,8 @@ bool acpi_find(smp_processors *procdata)
{
log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"Looking for RSDP Table");
char *search=0x7ffff; //will be 16 bit aligned;
+ procdata->processors=0;
+ procdata->boot=0;
while(search<=0xfffff)
{
diff --git a/kernel/kernel.c b/kernel/kernel.c
index 40c576a..6931ad1 100644
--- a/kernel/kernel.c
+++ b/kernel/kernel.c
@@ -146,32 +146,17 @@ void kernel_main(uint32_t initial_stack, int mp)
//
- // Initialize other processors (run this before entering paged mode)
+ // Gather Info about other processors.
+ // ACPI or MP
//
- // This currently uses the MP Floating Pointer Struct.
- // Should support APCI in future too.
- //
-
- smp_processors procdata1;
- smp_processors procdata2;
smp_processors procdata;
// try to find acpi tables
- bool succ_acpi=acpi_find(&procdata1);
-
- // fallback to mp tables
- bool succ_mp=mp_find(&procdata2);
-
- if(!succ_acpi&&!succ_mp)
- panic(FOOLOS_MODULE_NAME,"ACPI and MP search failed! I do not want to continue!");
-
- if(succ_acpi)procdata=procdata1;
- else procdata=procdata2;
-
- // multiprocessing!
+ if(!acpi_find(&procdata))
+ if(!mp_find(&procdata))
+ panic(FOOLOS_MODULE_NAME,"ACPI and MP search failed! I do not want to continue!");
- smp_log_procdata(&procdata1);
- smp_log_procdata(&procdata2);
+ // Start the other Processors (also before paging !)
smp_start_aps(&procdata);
@@ -195,7 +180,7 @@ void kernel_main(uint32_t initial_stack, int mp)
// Initialize Floppy Disk
//
- // floppy_init();
+ //floppy_init();
//