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More procfs functionality

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This commit is contained in:
K. Lange 2018-07-20 19:24:37 +09:00
parent eb1c435697
commit e67470f77b
2 changed files with 60 additions and 0 deletions
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1
modules/debug_sh.c
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@ -457,6 +457,7 @@ static int shell_modules(fs_node_t * tty, int argc, char * argv[]) {
fprintf(tty, "\n");
}
free(hash_keys);
return 0;
}

59
modules/procfs.c
View File

@ -440,6 +440,63 @@ static uint32_t netif_func(fs_node_t *node, uint32_t offset, uint32_t size, uint
}
static uint32_t modules_func(fs_node_t *node, uint32_t offset, uint32_t size, uint8_t *buffer) {
char * buf = malloc(4096);
list_t * hash_keys = hashmap_keys(modules_get_list());
unsigned int soffset = 0;
foreach(_key, hash_keys) {
char * key = (char *)_key->value;
module_data_t * mod_info = hashmap_get(modules_get_list(), key);
soffset += sprintf(&buf[soffset], "0x%x {.init=0x%x, .fini=0x%x} %s",
mod_info->bin_data,
mod_info->mod_info->initialize,
mod_info->mod_info->finalize,
mod_info->mod_info->name);
if (mod_info->deps) {
unsigned int i = 0;
soffset += sprintf(&buf[soffset], " Deps: ");
while (i < mod_info->deps_length) {
soffset += sprintf(&buf[soffset], "%s ", &mod_info->deps[i]);
i += strlen(&mod_info->deps[i]) + 1;
}
}
soffset += sprintf(&buf[soffset], "\n");
}
free(hash_keys);
size_t _bsize = strlen(buf);
if (offset > _bsize) return 0;
if (size > _bsize - offset) size = _bsize - offset;
memcpy(buffer, buf, size);
free(buf);
return size;
}
extern hashmap_t * fs_types; /* from kernel/fs/vfs.c */
static uint32_t filesystems_func(fs_node_t *node, uint32_t offset, uint32_t size, uint8_t *buffer) {
char * buf = malloc(4096);
list_t * hash_keys = hashmap_keys(fs_types);
unsigned int soffset = 0;
foreach(_key, hash_keys) {
char * key = (char *)_key->value;
soffset += sprintf(&buf[soffset], "%s\n", key);
}
free(hash_keys);
size_t _bsize = strlen(buf);
if (offset > _bsize) return 0;
if (size > _bsize - offset) size = _bsize - offset;
memcpy(buffer, buf, size);
free(buf);
return size;
}
static struct procfs_entry std_entries[] = {
{-1, "cpuinfo", cpuinfo_func},
{-2, "meminfo", meminfo_func},
@ -449,6 +506,8 @@ static struct procfs_entry std_entries[] = {
{-6, "compiler", compiler_func},
{-7, "mounts", mounts_func},
{-8, "netif", netif_func},
{-9, "modules", modules_func},
{-10,"filesystems", filesystems_func},
};
static struct dirent * readdir_procfs_root(fs_node_t *node, uint32_t index) {