#include <memrange.h>
#include <bootmem.h>
#include <bootstate.h>
#include <symbols.h>
#include <console/console.h>
#include <arch/memory_clear.h>
#include <string.h>
#include <security/memory/memory.h>
#include <cbmem.h>
#include <acpi/acpi.h>

Include dependency graph for memory_clear.c:

Macros
#define	memset_pae(a, b, c, d, e) 0

#define	MEMSET_PAE_PGTL_ALIGN 0

#define	MEMSET_PAE_PGTL_SIZE 0

#define	MEMSET_PAE_PGTL_SIZE 0

#define	MEMSET_PAE_VMEM_ALIGN 0

Functions
static uintptr_t	get_free_memory_range (struct memranges *mem, const resource_t align, const resource_t size)

static void	clear_memory (void *unused)

	BOOT_STATE_INIT_ENTRY (BS_DEV_INIT, BS_ON_EXIT, clear_memory, NULL)

Macro Definition Documentation

◆ memset_pae

#define memset_pae	(	a,
		b,
		c,
		d,
		e
	)	0

Definition at line 6 of file memory_clear.c.

◆ MEMSET_PAE_PGTL_ALIGN

#define MEMSET_PAE_PGTL_ALIGN 0

Definition at line 7 of file memory_clear.c.

◆ MEMSET_PAE_PGTL_SIZE [1/2]

#define MEMSET_PAE_PGTL_SIZE 0

Definition at line 9 of file memory_clear.c.

◆ MEMSET_PAE_PGTL_SIZE [2/2]

#define MEMSET_PAE_PGTL_SIZE 0

Definition at line 9 of file memory_clear.c.

◆ MEMSET_PAE_VMEM_ALIGN

#define MEMSET_PAE_VMEM_ALIGN 0

Definition at line 10 of file memory_clear.c.

Function Documentation

◆ BOOT_STATE_INIT_ENTRY()

BOOT_STATE_INIT_ENTRY	(	BS_DEV_INIT	,
		BS_ON_EXIT	,
		clear_memory	,
		NULL
	)

◆ clear_memory()

static void clear_memory ( void * unused )

static

Definition at line 54 of file memory_clear.c.

References acpi_is_wakeup_s3(), BIOS_DEBUG, BIOS_ERR, BIOS_SPEW, BM_MEM_RAM, BM_MEM_TABLE, cbmem_get_region(), ENV_X86, get_free_memory_range(), IORESOURCE_ASSIGNED, IORESOURCE_CACHEABLE, IORESOURCE_FIXED, IORESOURCE_MEM, IORESOURCE_STORED, memranges_each_entry, memranges_init, memranges_insert(), memranges_teardown(), memset(), memset_pae, MEMSET_PAE_PGTL_ALIGN, MEMSET_PAE_PGTL_SIZE, MEMSET_PAE_VMEM_ALIGN, NULL, printk, range_entry_base(), range_entry_end(), range_entry_size(), range_entry_tag(), and security_clear_dram_request().

Here is the call graph for this function:

◆ get_free_memory_range()

static uintptr_t get_free_memory_range	(	struct memranges *	mem,
		const resource_t	align,
		const resource_t	size
	)

static

Definition at line 25 of file memory_clear.c.

References ALIGN_UP, BIOS_ERR, BM_MEM_RAM, memranges_each_entry, printk, range_entry_base(), range_entry_end(), and range_entry_tag().

Referenced by clear_memory().