kern/amd64: mp: Keep track of brought up cores

This commit implements storing of processor descriptors per application
processors as well helpers to request a CPU descriptor by index and
better serialization

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/sys/inc/mu/cpu.h b/sys/inc/mu/cpu.h
index 7974cf1..05637f5 100644
--- a/sys/inc/mu/cpu.h
+++ b/sys/inc/mu/cpu.h
@@ -51,6 +51,11 @@ struct cpu_info {
 struct cpu_info *cpu_self(void);
 
 /*
+ * Get a processor by index
+ */
+struct cpu_info *cpu_get(uint32_t index);
+
+/*
  * Configure a processor core
  */
 void cpu_conf(struct cpu_info *ci);