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[arm] Split out 32-bit-specific code to arch/arm32

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2016-05-08 00:18:35 +01:00
parent 2a187f480e
commit edea3a434c
20 changed files with 54 additions and 38 deletions
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26
src/arch/arm/core/arm_io.c
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@@ -33,7 +33,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
*/
/** An ARM I/O qword */
union arm_io_qword {
union arm32_io_qword {
uint64_t qword;
uint32_t dword[2];
};
@@ -44,12 +44,12 @@ union arm_io_qword {
* @v io_addr I/O address
* @ret data Value read
*
* This is not atomic for ARM.
* This is not atomic for ARM32.
*/
static uint64_t arm_readq ( volatile uint64_t *io_addr ) {
volatile union arm_io_qword *ptr =
container_of ( io_addr, union arm_io_qword, qword );
union arm_io_qword tmp;
static uint64_t arm32_readq ( volatile uint64_t *io_addr ) {
volatile union arm32_io_qword *ptr =
container_of ( io_addr, union arm32_io_qword, qword );
union arm32_io_qword tmp;
tmp.dword[0] = readl ( &ptr->dword[0] );
tmp.dword[1] = readl ( &ptr->dword[1] );
@@ -62,12 +62,12 @@ static uint64_t arm_readq ( volatile uint64_t *io_addr ) {
* @v data Value to write
* @v io_addr I/O address
*
* This is not atomic for ARM.
* This is not atomic for ARM32.
*/
static void arm_writeq ( uint64_t data, volatile uint64_t *io_addr ) {
volatile union arm_io_qword *ptr =
container_of ( io_addr, union arm_io_qword, qword );
union arm_io_qword tmp;
static void arm32_writeq ( uint64_t data, volatile uint64_t *io_addr ) {
volatile union arm32_io_qword *ptr =
container_of ( io_addr, union arm32_io_qword, qword );
union arm32_io_qword tmp;
tmp.qword = data;
writel ( tmp.dword[0], &ptr->dword[0] );
@@ -84,5 +84,5 @@ PROVIDE_IOAPI_INLINE ( arm, writew );
PROVIDE_IOAPI_INLINE ( arm, writel );
PROVIDE_IOAPI_INLINE ( arm, iodelay );
PROVIDE_IOAPI_INLINE ( arm, mb );
PROVIDE_IOAPI ( arm, readq, arm_readq );
PROVIDE_IOAPI ( arm, writeq, arm_writeq );
PROVIDE_IOAPI ( arm, readq, arm32_readq );
PROVIDE_IOAPI ( arm, writeq, arm32_writeq );