SMP fixed for CPUs with defective cores

	modified:   README.md
	modified:   src/.gdb_history
	modified:   src/bootloader/enter_kernel.asm
	modified:   src/bootloader/gdt.asm
	modified:   src/debug/gdbinit.gdb
	modified:   src/include/int.h
	modified:   src/include/paging.h
	modified:   src/include/smp.h
	modified:   src/include/smp_sync.h
	modified:   src/indigo_os
	modified:   src/kernel/int.c
	modified:   src/kernel/kernel.c
	modified:   src/kernel/klog.c
	modified:   src/kernel/madt.c
	modified:   src/kernel/page.c
	modified:   src/kernel/panic.c
	modified:   src/kernel/printf.c
	modified:   src/kernel/smp.c
	modified:   src/kernel/smp_trampoline.asm
	modified:   .gitignore
	deleted:    src/.gdb_history

4 files changed, 30 insertions, 1 deletions

diff --git a/src/include/int.h b/src/include/int.h
index 32313bd..6f1857b 100644
--- a/src/include/int.h
+++ b/src/include/int.h
@@ -79,6 +79,7 @@ void clear_int();
 unsigned int alloc_idt(struct idt_entry *entry);
 void free_idt(unsigned int entry);
 void modify_idt(struct idt_entry *entry, unsigned int vector);
+void smp_load_idt();
 
 
 #endif
diff --git a/src/include/paging.h b/src/include/paging.h
index 302e567..5d33ca5 100644
--- a/src/include/paging.h
+++ b/src/include/paging.h
@@ -9,7 +9,7 @@
 
 void unmap_lowmem();
 size_t map_complete_physical();
-void debug_print_memory();
+void debug_pzone();
 
 
 struct phys_map *init_pmap(size_t pagetable_size);
diff --git a/src/include/smp.h b/src/include/smp.h
index c4a675a..f4e3aa8 100644
--- a/src/include/smp.h
+++ b/src/include/smp.h
@@ -1,4 +1,26 @@
 #ifndef SMP_INCLUDED
 #define SMP_INCLUDED
+#include <stdint.h>
 void smp_boot();
+extern uint8_t corecount;
+
+static inline void lock(uint8_t *lock) {
+  asm("mov al, 1\n"
+      "spinlock:\n"
+      "lock xchgb [%0], al\n"
+      "test al, al\n"
+      "pause\n"
+      "jnz spinlock\n"
+      ::"r"(lock):"al");
+} 
+
+static inline void unlock(uint8_t *lock) {
+  asm("lock andb [%0], 0"::"r"(lock));
+}
+
+static inline void waitup(uint8_t *loto) {
+}
+
+#define CREATE_LOTO(name)
+
 #endif
diff --git a/src/include/smp_sync.h b/src/include/smp_sync.h
index 92784b8..93aac35 100644
--- a/src/include/smp_sync.h
+++ b/src/include/smp_sync.h
@@ -6,6 +6,7 @@ static inline void lock(uint8_t *lock) {
       "spinlock:\n"
       "lock xchgb [%0], al\n"
       "test al, al\n"
+      "pause\n"
       "jnz spinlock\n"
       ::"r"(lock):"al");
 } 
@@ -14,4 +15,9 @@ static inline void unlock(uint8_t *lock) {
   asm("lock andb [%0], 0"::"r"(lock));
 }
 
+static inline void waitup(uint8_t *loto) {
+}
+
+#define CREATE_LOTO(name)
+
 #endif