From 814e0450947fa275270a8b292c0254813cd4af03 Mon Sep 17 00:00:00 2001
From: Alex Kotov <kotovalexarian@gmail.com>
Date: Thu, 26 Nov 2020 17:42:16 +0500
Subject: [PATCH] Display process list

---
 kernelmq/init.c           |  2 ++
 kernelmq/process.c        | 45 +++++++++++++++++++++++++++++++++++++++
 kernelmq/process.h        |  3 +++
 rootfs/boot/grub/grub.cfg |  4 ++--
 4 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/kernelmq/init.c b/kernelmq/init.c
index cfeea53..b6f6c5b 100644
--- a/kernelmq/init.c
+++ b/kernelmq/init.c
@@ -46,6 +46,8 @@ void init(const struct KernelMQ_Info *const kinfo_ptr)
 
     logger_debug_from("init", "Process list initialized.");
 
+    KernelMQ_Process_List_print(&process_list);
+
     if (kinfo.modules_count > 0) {
         const struct KernelMQ_ELF_Header *const elf_header =
             (void*)kinfo.modules[0].base;
diff --git a/kernelmq/process.c b/kernelmq/process.c
index 1858998..869ba83 100644
--- a/kernelmq/process.c
+++ b/kernelmq/process.c
@@ -1,7 +1,52 @@
 #include "process.h"
 
+#include "logger.h"
 #include "stdlib.h"
 
+void KernelMQ_Process_List_print(
+    const KernelMQ_Process_List *const process_list
+) {
+    for (
+        unsigned int proc_index = 0;
+        proc_index < KERNELMQ_PROCESS_LIST_LENGTH;
+        ++proc_index
+    ) {
+        const struct KernelMQ_Process *const process = &(*process_list)[proc_index];
+
+        if (process->is_present) {
+            logger_debug("Process %u", proc_index);
+
+            switch (process->created_from) {
+            case KERNELMQ_PROCESS_CREATED_FROM_KERNEL:
+                logger_debug("  Created from kernel");
+                break;
+            case KERNELMQ_PROCESS_CREATED_FROM_MODULE:
+                logger_debug("  Created from module");
+                break;
+            }
+
+            logger_debug("  Command line: \"%s\"", process->cmdline);
+
+            for (
+                unsigned int area_index = 0;
+                area_index < process->areas_length;
+                ++area_index
+            ) {
+                const struct KernelMQ_Process_Area *const area =
+                    &process->areas[area_index];
+
+                logger_debug(
+                    "  Area %u (base: %u, size: %u, limit: %u)",
+                    area_index,
+                    area->base,
+                    area->size,
+                    area->limit
+                );
+            }
+        }
+    }
+}
+
 enum KernelMQ_Process_Error KernelMQ_Process_List_init(
     KernelMQ_Process_List *const process_list,
     const struct KernelMQ_Info *const kinfo
diff --git a/kernelmq/process.h b/kernelmq/process.h
index 9480830..3be97b4 100644
--- a/kernelmq/process.h
+++ b/kernelmq/process.h
@@ -48,6 +48,9 @@ struct KernelMQ_Process {
 typedef struct KernelMQ_Process
     KernelMQ_Process_List[KERNELMQ_PROCESS_LIST_LENGTH];
 
+void KernelMQ_Process_List_print(const KernelMQ_Process_List *process_list)
+__attribute__((nonnull));
+
 enum KernelMQ_Process_Error KernelMQ_Process_List_init(
     KernelMQ_Process_List *process_list,
     const struct KernelMQ_Info *kinfo
diff --git a/rootfs/boot/grub/grub.cfg b/rootfs/boot/grub/grub.cfg
index 96a9734..83af43f 100644
--- a/rootfs/boot/grub/grub.cfg
+++ b/rootfs/boot/grub/grub.cfg
@@ -1,7 +1,7 @@
 set timeout=0
 
 menuentry "KernelMQ" {
-    multiboot2 /boot/kernelmq.multiboot2
-    module2    /boot/procman
+    multiboot2 /boot/kernelmq.multiboot2 hello kernel
+    module2    /boot/procman hello module
     module2    /boot/memgr
 }