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Refactoring: move code to separate tag functions

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This commit is contained in:
Braiden Vasco 2017-11-02 08:49:55 +00:00
parent 9d0d45b52a
commit 326f729ef9
1 changed files with 44 additions and 33 deletions
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77
arch/multiboot.c
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@ -71,6 +71,11 @@ static void printf(const char *format, ...);
static void print_multiboot_tag(const struct multiboot_tag *tag); static void print_multiboot_tag(const struct multiboot_tag *tag);
static void print_multiboot_tag_cmdline (const struct multiboot_tag_string *tag);
static void print_multiboot_tag_module (const struct multiboot_tag_module *tag);
static void print_multiboot_tag_basic_meminfo(const struct multiboot_tag_basic_meminfo *tag);
static void print_multiboot_tag_mmap (const struct multiboot_tag_mmap *tag);
void print_multiboot_info(struct KernelMQ_Multiboot_Info info) void print_multiboot_info(struct KernelMQ_Multiboot_Info info)
{ {
if (info.magic == MULTIBOOT_1_MAGIC) { if (info.magic == MULTIBOOT_1_MAGIC) {
@ -102,52 +107,58 @@ void print_multiboot_tag(const struct multiboot_tag *const tag)
switch (tag->type) switch (tag->type)
{ {
case MULTIBOOT_TAG_TYPE_CMDLINE: case MULTIBOOT_TAG_TYPE_CMDLINE:
printf( print_multiboot_tag_cmdline((struct multiboot_tag_string*)tag);
"Kernel command line: %s\n",
((struct multiboot_tag_string *) tag)->string
);
break; break;
case MULTIBOOT_TAG_TYPE_MODULE: case MULTIBOOT_TAG_TYPE_MODULE:
printf( print_multiboot_tag_module((struct multiboot_tag_module*)tag);
"Module at 0x%x-0x%x, command line: %s\n",
((struct multiboot_tag_module *) tag)->mod_start,
((struct multiboot_tag_module *) tag)->mod_end,
((struct multiboot_tag_module *) tag)->cmdline
);
break; break;
case MULTIBOOT_TAG_TYPE_BASIC_MEMINFO: case MULTIBOOT_TAG_TYPE_BASIC_MEMINFO:
printf( print_multiboot_tag_basic_meminfo((struct multiboot_tag_basic_meminfo*)tag);
"mem_lower = %uKB, mem_upper = %uKB\n",
((struct multiboot_tag_basic_meminfo *) tag)->mem_lower,
((struct multiboot_tag_basic_meminfo *) tag)->mem_upper
);
break; break;
case MULTIBOOT_TAG_TYPE_MMAP: case MULTIBOOT_TAG_TYPE_MMAP:
{ print_multiboot_tag_mmap((struct multiboot_tag_mmap*)tag);
printf("Memory map:\n");
for (
multiboot_memory_map_t *mmap = ((struct multiboot_tag_mmap *) tag)->entries;
(unsigned char *) mmap < (unsigned char *) tag + tag->size;
mmap = (multiboot_memory_map_t *)((unsigned long) mmap + ((struct multiboot_tag_mmap *) tag)->entry_size)
) {
printf(
" base_addr = 0x%x%x, length = 0x%x%x, type = 0x%x\n",
(unsigned) (mmap->addr >> 32),
(unsigned) (mmap->addr & 0xffffffff),
(unsigned) (mmap->len >> 32),
(unsigned) (mmap->len & 0xffffffff),
(unsigned) mmap->type
);
}
}
break; break;
} }
} }
void print_multiboot_tag_cmdline(const struct multiboot_tag_string *const tag)
{
printf("Kernel command line: %s\n", tag->string);
}
void print_multiboot_tag_module(const struct multiboot_tag_module *const tag)
{
printf("Module at 0x%x-0x%x, command line: %s\n", tag->mod_start, tag->mod_end, tag->cmdline);
}
void print_multiboot_tag_basic_meminfo(const struct multiboot_tag_basic_meminfo *const tag)
{
printf("mem_lower = %uKB, mem_upper = %uKB\n", tag->mem_lower, tag->mem_upper);
}
void print_multiboot_tag_mmap(const struct multiboot_tag_mmap *const tag)
{
printf("Memory map:\n");
for (
multiboot_memory_map_t *mmap = ((struct multiboot_tag_mmap *) tag)->entries;
(unsigned char *) mmap < (unsigned char *) tag + tag->size;
mmap = (multiboot_memory_map_t *)((unsigned long) mmap + ((struct multiboot_tag_mmap *) tag)->entry_size)
) {
printf(
" base_addr = 0x%x%x, length = 0x%x%x, type = 0x%x\n",
(unsigned) (mmap->addr >> 32),
(unsigned) (mmap->addr & 0xffffffff),
(unsigned) (mmap->len >> 32),
(unsigned) (mmap->len & 0xffffffff),
(unsigned) mmap->type
);
}
}
void itoa(char *buf, int base, int d) void itoa(char *buf, int base, int d)
{ {
char *p = buf; char *p = buf;