From 388aa556c4481a72de4a5122cb1702ae252cab30 Mon Sep 17 00:00:00 2001
From: Daniel Oertwig <musteresel@googlemail.com>
Date: Tue, 6 Oct 2009 00:11:25 +0200
Subject: [PATCH] Added files with basic definitions of KPC (kernel process
 communication).

---
 inc/kpc.h               | 21 +++++++++++++++++++++
 src/allsources          |  6 +++---
 src/communication/kpc.c | 11 +++++++++++
 src/makefile            |  1 +
 4 files changed, 36 insertions(+), 3 deletions(-)
 create mode 100644 inc/kpc.h
 rewrite src/allsources (68%)
 create mode 100644 src/communication/kpc.c

diff --git a/inc/kpc.h b/inc/kpc.h
new file mode 100644
index 0000000..de676bb
--- /dev/null
+++ b/inc/kpc.h
@@ -0,0 +1,21 @@
+// Kernel - Process communication
+
+#ifndef __KERNEL__KPC___HEADER____
+#define __KERNEL__KPC___HEADER____
+
+#include "types.h"
+enum kpcMSG_TYPE {
+kpcMSG_PAGEFAULT = 1,
+kpcMSG_MEMREQUEST,
+kpcMSG_MEMFREE,
+kpcMSG_IOREQUEST };
+
+typedef struct {
+	enum kpcMSG_TYPE type;
+	UINT args[5];
+}kpcMessage;
+
+
+
+#endif //(__KERNEL__KPC___HEADER____)
+
diff --git a/src/allsources b/src/allsources
dissimilarity index 68%
index 80f4667..c880d06 100644
--- a/src/allsources
+++ b/src/allsources
@@ -1,3 +1,3 @@
-SOURCES = ./boot/multiboot.c ./paging/paging_functions.c ./paging/paging_init.c ./main/main.c ./idt/idt.c ./multitasking/multitasking.c ./int/irq.c ./int/isr.c ./bio/bio.c ./gdt/gdt.c ./phys_mm/pmm_init.c ./phys_mm/pmm_functions.c ./heap/kernelheap.c ./heap/ord_array.c ./text/debug-text.c 
-
-ASMSRC = ./paging/paging_functions_asm.asm ./main/entry_asm.asm ./idt/idt_asm.asm ./int/isr_irq_asm.asm ./gdt/gdt_asm.asm 
\ No newline at end of file
+SOURCES = ./boot/multiboot.c ./paging/paging_functions.c ./paging/paging_init.c ./main/main.c ./communication/kpc.c ./idt/idt.c ./multitasking/multitasking.c ./int/irq.c ./int/isr.c ./bio/bio.c ./gdt/gdt.c ./phys_mm/pmm_init.c ./phys_mm/pmm_functions.c ./heap/kernelheap.c ./heap/ord_array.c ./text/debug-text.c 
+
+ASMSRC = ./paging/paging_functions_asm.asm ./main/entry_asm.asm ./idt/idt_asm.asm ./int/isr_irq_asm.asm ./gdt/gdt_asm.asm 
\ No newline at end of file
diff --git a/src/communication/kpc.c b/src/communication/kpc.c
new file mode 100644
index 0000000..adef74c
--- /dev/null
+++ b/src/communication/kpc.c
@@ -0,0 +1,11 @@
+#include "kpc.h"
+
+
+void kpc_SendMessage(kpcMessage *msg)
+{
+	/* TODO */
+	/** msg identifies the Type of Message and delivers message arguments **/
+	/** the message gets written into the kpc ring buffer and will be processed by a kernelthread **/
+	
+	/** if the ringbuffer gets to full, the kernelthread(s) have to be called directly (some kind of emergency) **/
+}
diff --git a/src/makefile b/src/makefile
index a4753b0..59c2aa3 100644
--- a/src/makefile
+++ b/src/makefile
@@ -29,6 +29,7 @@ builddirs:
 	@mkdir -p ../build/text
 	@mkdir -p ../build/heap
 	@mkdir -p ../build/multitasking
+	@mkdir -p ../build/communication
 	
 
 
-- 
2.11.4.GIT