From 772717dc22e04b4d168d0f77bee6b6357118768c Mon Sep 17 00:00:00 2001
From: Jon Santmyer <jon@jonsantmyer.com>
Date: Tue, 19 Aug 2025 15:03:42 -0400
Subject: refactor KO_MEMORY_MAPPING invoke

---
 include/arch/x86_64/idt.h          |  2 +-
 include/arch/x86_64/object.h       |  3 +++
 include/arch/x86_64/page-mapping.h |  8 ++++++++
 include/arch/x86_64/syscall.h      | 10 ++++------
 4 files changed, 16 insertions(+), 7 deletions(-)
 create mode 100644 include/arch/x86_64/page-mapping.h

(limited to 'include/arch')

diff --git a/include/arch/x86_64/idt.h b/include/arch/x86_64/idt.h
index ca1c484..4ca820f 100644
--- a/include/arch/x86_64/idt.h
+++ b/include/arch/x86_64/idt.h
@@ -7,8 +7,8 @@ typedef struct jove_IVTState
 {
     uint64_t r15, r14, r13, r12, r11, r10, r9, r8;
     uint64_t rbp, rdi, rsi, rdx, rcx, rbx, rax;
-    uint64_t rip, cs, rflags, rsp, ss;
     uint64_t num, err;
+    uint64_t rip, cs, rflags, rsp, ss;
 } ivt_state_t;
 
 void kpanic_state(ivt_state_t *state, const char *fmt, ...);
diff --git a/include/arch/x86_64/object.h b/include/arch/x86_64/object.h
index e13a987..77b07ea 100644
--- a/include/arch/x86_64/object.h
+++ b/include/arch/x86_64/object.h
@@ -13,6 +13,9 @@ typedef struct jove_ThreadControlBlock
     uintptr_t sp, ksp;
     void *pml4;
     void *mailbox;
+
+    /* PML caching for faster calls?*/
+
     uint8_t kstack[KERNEL_STACKBYTES];
 } tcb_t;
 
diff --git a/include/arch/x86_64/page-mapping.h b/include/arch/x86_64/page-mapping.h
new file mode 100644
index 0000000..bc495dd
--- /dev/null
+++ b/include/arch/x86_64/page-mapping.h
@@ -0,0 +1,8 @@
+#ifndef _JOVE_ARCH_x86_64_PAGE_MAPPING_H
+#define _JOVE_ARCH_x86_64_PAGE_MAPPING_H 1
+
+#include "arch/x86_64/page.h"
+
+pmle_t *page_mapping_traverse(pmle_t *pml4, uint8_t depth, uint16_t *path);
+
+#endif
diff --git a/include/arch/x86_64/syscall.h b/include/arch/x86_64/syscall.h
index 2d5060e..e470537 100644
--- a/include/arch/x86_64/syscall.h
+++ b/include/arch/x86_64/syscall.h
@@ -4,13 +4,11 @@
 /**@ENUM mapping invokes*/
 enum 
 {
-    /*[target path][u8 funcid]*/
-    INVOKE_MAPPING_RELEASE = 0,
-    /*[target path][u8 funcid][u16 pmli][dest path]*/
-    INVOKE_MAPPING_GET,
-    /*[target path][u8 funcid][u16 pmli][untyped path][u64 flags]*/
+    /*[target path][u8 funcid][u8 depth][u16*depth pmli]*/
+    INVOKE_MAPPING_EXISTS = 0,
+    /*[target path][u8 funcid][u8 depth][u16*depth pmli][untyped path][u64 flags]*/
     INVOKE_MAPPING_MAP,
-    /*[target path][u8 funcid][u16 pmli][mapped path]*/
+    /*[target path][u8 funcid][u8 depth][u16*depth pmli][dest path]*/
     INVOKE_MAPPING_UNMAP
 };
 
-- 
cgit v1.2.1