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UEFI: cleanup functions in boot.c file

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Remove the useless function named get_path().
Remove the useless function named print_ch().
Remove the useless function named isspace().
Move the function memory_map() from boot.c to malloc.c

Signed-off-by: Zheng, Gen <gen.zheng@intel.com>
This commit is contained in:
Zheng, Gen 2018-03-30 12:32:38 +08:00 committed by Jack Ren
parent edde39b368
commit 0762798543
2 changed files with 57 additions and 128 deletions
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128
bsp/uefi/efi/boot.c
View File

@ -41,84 +41,6 @@ EFI_SYSTEM_TABLE *sys_table;
EFI_BOOT_SERVICES *boot;
EFI_RUNTIME_SERVICES *runtime;
/**
* memory_map - Allocate and fill out an array of memory descriptors
* @map_buf: buffer containing the memory map
* @map_size: size of the buffer containing the memory map
* @map_key: key for the current memory map
* @desc_size: size of the desc
* @desc_version: memory descriptor version
*
* On success, @map_size contains the size of the memory map pointed
* to by @map_buf and @map_key, @desc_size and @desc_version are
* updated.
*/
EFI_STATUS
memory_map(EFI_MEMORY_DESCRIPTOR **map_buf, UINTN *map_size,
UINTN *map_key, UINTN *desc_size, UINT32 *desc_version)
{
EFI_STATUS err;
*map_size = sizeof(**map_buf) * 31;
get_map:
/*
* Because we're about to allocate memory, we may
* potentially create a new memory descriptor, thereby
* increasing the size of the memory map. So increase
* the buffer size by the size of one memory
* descriptor, just in case.
*/
*map_size += sizeof(**map_buf);
err = allocate_pool(EfiLoaderData, *map_size,
(void **)map_buf);
if (err != EFI_SUCCESS) {
Print(L"Failed to allocate pool for memory map");
goto failed;
}
err = get_memory_map(map_size, *map_buf, map_key,
desc_size, desc_version);
if (err != EFI_SUCCESS) {
if (err == EFI_BUFFER_TOO_SMALL) {
/*
* 'map_size' has been updated to reflect the
* required size of a map buffer.
*/
free_pool((void *)*map_buf);
goto get_map;
}
Print(L"Failed to get memory map");
goto failed;
}
failed:
return err;
}
static inline BOOLEAN isspace(CHAR8 ch)
{
return ((unsigned char)ch <= ' ');
}
#if 0
static void print_ch(char *str)
{
int j;
CHAR16 *buf;
int len = strlen(str);
buf = malloc((strlen(str) + 1)* 2);
for (j=0; j<len; j++)
buf[j] = str[j];
buf[j] = 0;
Print(L"CHAR16::: %s\n", buf);
free(buf);
}
#endif
static inline void hv_jump(EFI_PHYSICAL_ADDRESS hv_start,
struct multiboot_info *mbi, struct efi_ctx *efi_ctx)
{
@ -141,56 +63,6 @@ static inline void hv_jump(EFI_PHYSICAL_ADDRESS hv_start,
hf(MULTIBOOT_INFO_MAGIC, mbi);
}
EFI_STATUS get_path(CHAR16* name, EFI_LOADED_IMAGE *info, EFI_DEVICE_PATH **path)
{
unsigned int pathlen;
EFI_STATUS efi_status = EFI_SUCCESS;
CHAR16 *pathstr, *pathname;
int i;
for (i = 0; i < StrLen(name); i++) {
if (name[i] == '/')
name[i] = '\\';
}
pathstr = DevicePathToStr(info->FilePath);
for (i = 0; i < StrLen(pathstr); i++) {
if (pathstr[i] == '/')
pathstr[i] = '\\';
}
pathlen = StrLen(pathstr);
if (name[0] == '\\') {
*path = FileDevicePath(info->DeviceHandle, name);
goto out;
}
for (i=pathlen - 1; i > 0; i--) {
if (pathstr[i] == '\\') break;
}
pathstr[i] = '\0';
pathlen = StrLen(pathstr);
pathlen++;
pathname = AllocatePool((pathlen + 1 + StrLen(name))*sizeof(CHAR16));
if (!pathname) {
Print(L"Failed to allocate memory for pathname\n");
efi_status = EFI_OUT_OF_RESOURCES;
goto out;
}
StrCpy(pathname, pathstr);
StrCat(pathname, L"\\");
StrCat(pathname, name);
*path = FileDevicePath(info->DeviceHandle, pathname);
out:
FreePool(pathstr);
return efi_status;
}
static EFI_STATUS
switch_to_guest_mode(EFI_HANDLE image)
{

57
bsp/uefi/efi/malloc.c
View File

@ -36,6 +36,63 @@
#include "efilinux.h"
#include "stdlib.h"
/**
* memory_map - Allocate and fill out an array of memory descriptors
* @map_buf: buffer containing the memory map
* @map_size: size of the buffer containing the memory map
* @map_key: key for the current memory map
* @desc_size: size of the desc
* @desc_version: memory descriptor version
*
* On success, @map_size contains the size of the memory map pointed
* to by @map_buf and @map_key, @desc_size and @desc_version are
* updated.
*/
EFI_STATUS
memory_map(EFI_MEMORY_DESCRIPTOR **map_buf, UINTN *map_size,
UINTN *map_key, UINTN *desc_size, UINT32 *desc_version)
{
EFI_STATUS err;
*map_size = sizeof(**map_buf) * 31;
get_map:
/*
* Because we're about to allocate memory, we may
* potentially create a new memory descriptor, thereby
* increasing the size of the memory map. So increase
* the buffer size by the size of one memory
* descriptor, just in case.
*/
*map_size += sizeof(**map_buf);
err = allocate_pool(EfiLoaderData, *map_size,
(void **)map_buf);
if (err != EFI_SUCCESS) {
Print(L"Failed to allocate pool for memory map");
goto failed;
}
err = get_memory_map(map_size, *map_buf, map_key,
desc_size, desc_version);
if (err != EFI_SUCCESS) {
if (err == EFI_BUFFER_TOO_SMALL) {
/*
* 'map_size' has been updated to reflect the
* required size of a map buffer.
*/
free_pool((void *)*map_buf);
goto get_map;
}
Print(L"Failed to get memory map");
goto failed;
}
failed:
return err;
}
/**
* emalloc - Allocate memory with a strict alignment requirement
* @size: size in bytes of the requested allocation