From 0e8609977d9738a9992244e90ce0e6ef64562d75 Mon Sep 17 00:00:00 2001
From: Alex Kotov <kotovalexarian@gmail.com>
Date: Fri, 14 Jan 2022 09:27:55 +0500
Subject: [PATCH] Add field multiboot2_header_example2.tag_flags

---
 include/kernaux/multiboot2.h         |  5 ++++-
 tests/multiboot2_header_example2.h   | 15 +++++++++++++++
 tests/test_multiboot2_header_print.c |  8 ++++++--
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/include/kernaux/multiboot2.h b/include/kernaux/multiboot2.h
index 8188b8c..f98bbb8 100644
--- a/include/kernaux/multiboot2.h
+++ b/include/kernaux/multiboot2.h
@@ -30,7 +30,10 @@ extern "C" {
 #define KERNAUX_MULTIBOOT2_TAG_SIZE_ALIGN(tag_base) \
     (((tag_base)->size + 7) & ~7)
 
-#define KERNAUX_MULTIBOOT2_HTAG_FLAG_OPTIONAL 1
+#define KERNAUX_MULTIBOOT2_HTAG_BASE_FLAG_OPTIONAL 1
+
+#define KERNAUX_MULTIBOOT2_HTAG_FLAGS_REQUIRE_CONSOLE (1 << 0)
+#define KERNAUX_MULTIBOOT2_HTAG_FLAGS_EGA_SUPPORT     (1 << 1)
 
 /****************
  * Common types *
diff --git a/tests/multiboot2_header_example2.h b/tests/multiboot2_header_example2.h
index 75b8a3e..ded7ac0 100644
--- a/tests/multiboot2_header_example2.h
+++ b/tests/multiboot2_header_example2.h
@@ -12,6 +12,10 @@ static const struct {
 
     uint8_t _align1[4];
 
+    struct KernAux_Multiboot2_HTag_Flags tag_flags;
+
+    uint8_t _align2[4];
+
     struct KernAux_Multiboot2_HTag_None tag_none;
 } multiboot2_header_example2 = {
     .multiboot2_header = {
@@ -75,6 +79,17 @@ static const struct {
         },
         .entry_addr = 0,
     },
+    .tag_flags = {
+        .base = {
+            .type = KERNAUX_MULTIBOOT2_HTAG_FLAGS,
+            .flags = 0,
+            .size = sizeof(multiboot2_header_example2.tag_flags),
+        },
+        .console_flags = (
+            KERNAUX_MULTIBOOT2_HTAG_FLAGS_REQUIRE_CONSOLE |
+            KERNAUX_MULTIBOOT2_HTAG_FLAGS_EGA_SUPPORT
+        ),
+    },
     .tag_none = {
         .base = {
             .type = KERNAUX_MULTIBOOT2_HTAG_NONE,
diff --git a/tests/test_multiboot2_header_print.c b/tests/test_multiboot2_header_print.c
index 27560c6..02dd2a5 100644
--- a/tests/test_multiboot2_header_print.c
+++ b/tests/test_multiboot2_header_print.c
@@ -14,8 +14,8 @@ static const char output2[] =
     "Multiboot 2 header\n"
     "  magic: 920085129\n"
     "  arch: 1\n"
-    "  size: 160\n"
-    "  checksum: 3374882006\n"
+    "  size: 176\n"
+    "  checksum: 3374881990\n"
     "Multiboot 2 header tag\n"
     "  type: 1 (information request)\n"
     "  flags: 0\n"
@@ -29,6 +29,10 @@ static const char output2[] =
     "  flags: 0\n"
     "  size: 12\n"
     "Multiboot 2 header tag\n"
+    "  type: 4 (flags)\n"
+    "  flags: 0\n"
+    "  size: 12\n"
+    "Multiboot 2 header tag\n"
     "  type: 0 (none)\n"
     "  flags: 0\n"
     "  size: 8\n";