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efi_loader: move dp_alloc() to efi_alloc()

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The incumbent function efi_alloc() is unused.

Replace dp_alloc() by a new function efi_alloc() that we can use more
widely.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Heinrich Schuchardt
2023-03-19 09:20:22 +01:00
parent 92b931b8ef
commit f606fab8da
3 changed files with 40 additions and 50 deletions
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46
lib/efi_loader/efi_memory.c
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@@ -5,9 +5,12 @@
* Copyright (c) 2016 Alexander Graf
*/
#define LOG_CATEGORY LOGC_EFI
#include <common.h>
#include <efi_loader.h>
#include <init.h>
#include <log.h>
#include <malloc.h>
#include <mapmem.h>
#include <watchdog.h>
@@ -533,27 +536,6 @@ efi_status_t efi_allocate_pages(enum efi_allocate_type type,
return EFI_SUCCESS;
}
/**
* efi_alloc() - allocate memory pages
*
* @len: size of the memory to be allocated
* @memory_type: usage type of the allocated memory
* Return: pointer to the allocated memory area or NULL
*/
void *efi_alloc(uint64_t len, int memory_type)
{
uint64_t ret = 0;
uint64_t pages = efi_size_in_pages(len);
efi_status_t r;
r = efi_allocate_pages(EFI_ALLOCATE_ANY_PAGES, memory_type, pages,
&ret);
if (r == EFI_SUCCESS)
return (void*)(uintptr_t)ret;
return NULL;
}
/**
* efi_free_pages() - free memory pages
*
@@ -672,6 +654,28 @@ efi_status_t efi_allocate_pool(enum efi_memory_type pool_type, efi_uintn_t size,
return r;
}
/**
* efi_alloc() - allocate boot services data pool memory
*
* Allocate memory from pool and zero it out.
*
* @size: number of bytes to allocate
* Return: pointer to allocated memory or NULL
*/
void *efi_alloc(size_t size)
{
void *buf;
if (efi_allocate_pool(EFI_BOOT_SERVICES_DATA, size, &buf) !=
EFI_SUCCESS) {
log_err("out of memory");
return NULL;
}
memset(buf, 0, size);
return buf;
}
/**
* efi_free_pool() - free memory from pool
*