ROM Patch

Handle patch for ROM. More...

Data Structures
struct	patch_entry_desc

Macros
#define	PATCH_AON   0
#define	MAX_PATCH_ENTRIES   32
#define	QUOTE_ME(X)   #X
#define	PATCH(address, offset, func)
#define	PATCH_DATA(address, offset, data)
#define	PATCH_TAG   0x50544348

Functions
int	HAL_PATCH_install2 (struct patch_entry_desc *patch_entries, uint32_t size, int cer)
	Advanced API to install patches for LCPU/BCPU. More...
int	HAL_PATCH_install (void)
	Install patches LCPU/BCPU. More...
int	HAL_PATCH_save (struct patch_entry_desc *patch_entries, uint32_t size, uint32_t *cer)
	Save patches. More...
void	HAL_PATCH_Entry (void)
	Patch image entry, used to install hooks.

Detailed Description

Handle patch for ROM.

Function Documentation

HAL_PATCH_install()

int HAL_PATCH_install

(

void

)

Install patches LCPU/BCPU.

Return values

32-bit

value, each bit represent on patch installed.

HAL_PATCH_install2()

int HAL_PATCH_install2	(	struct patch_entry_desc *	patch_entries,
		uint32_t	size,
		int	cer
	)

Advanced API to install patches for LCPU/BCPU.

Parameters

patch_entries	Patch descriptor arrays
size	size of patch_entries in bytes.
cer	Previous patch enable register value, used in restore patch from standby.

Return values

32-bit

value, each bit represent on patch installed.

HAL_PATCH_save()

int HAL_PATCH_save	(	struct patch_entry_desc *	patch_entries,
		uint32_t	size,
		uint32_t *	cer
	)

Save patches.

Parameters

	patch_entries	Patch descriptor arrays
	size	size of patch_entries in bytes.
[out]	cer	Previous patch enable register value, used in restore patch from standby.

Return values

Save	patch numbers.