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[Qemu-devel] [PATCH v2 04/16] register: Add support for decoding informa
From: |
Alistair Francis |
Subject: |
[Qemu-devel] [PATCH v2 04/16] register: Add support for decoding information |
Date: |
Tue, 19 Jan 2016 14:35:04 -0800 |
From: Peter Crosthwaite <address@hidden>
Allow defining of optional address decoding information in register
definitions. This is useful for clients that want to associate
registers with specific addresses.
Signed-off-by: Peter Crosthwaite <address@hidden>
Signed-off-by: Alistair Francis <address@hidden>
---
changed since v4:
Remove extraneous unused defintions.
include/hw/register.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/hw/register.h b/include/hw/register.h
index a3c41db..90c0185 100644
--- a/include/hw/register.h
+++ b/include/hw/register.h
@@ -54,6 +54,11 @@ typedef struct RegisterAccessError {
* allowing this function to modify the value before return to the client.
*/
+#define REG_DECODE_READ (1 << 0)
+#define REG_DECODE_WRITE (1 << 1)
+#define REG_DECODE_EXECUTE (1 << 2)
+#define REG_DECODE_RW (REG_DECODE_READ | REG_DECODE_WRITE)
+
struct RegisterAccessInfo {
const char *name;
uint64_t ro;
@@ -71,6 +76,11 @@ struct RegisterAccessInfo {
void (*post_write)(RegisterInfo *reg, uint64_t val);
uint64_t (*post_read)(RegisterInfo *reg, uint64_t val);
+
+ struct {
+ hwaddr addr;
+ uint8_t flags;
+ } decode;
};
/**
--
2.5.0
- [Qemu-devel] [PATCH v2 00/16] data-driven device registers, Alistair Francis, 2016/01/19
- [Qemu-devel] [PATCH v2 01/16] memory: Allow subregions to not be printed by info mtree, Alistair Francis, 2016/01/19
- [Qemu-devel] [PATCH v2 02/16] register: Add Register API, Alistair Francis, 2016/01/19
- [Qemu-devel] [PATCH v2 03/16] register: Add Memory API glue, Alistair Francis, 2016/01/19
- [Qemu-devel] [PATCH v2 04/16] register: Add support for decoding information,
Alistair Francis <=
- [Qemu-devel] [PATCH v2 05/16] register: Define REG and FIELD macros, Alistair Francis, 2016/01/19
- [Qemu-devel] [PATCH v2 06/16] register: QOMify, Alistair Francis, 2016/01/19
- [Qemu-devel] [PATCH v2 07/16] register: Add block initialise helper, Alistair Francis, 2016/01/19
- [Qemu-devel] [PATCH v2 08/16] bitops: Add ONES macro, Alistair Francis, 2016/01/19
- [Qemu-devel] [PATCH v2 09/16] dma: Add Xilinx Zynq devcfg device model, Alistair Francis, 2016/01/19
- [Qemu-devel] [PATCH v2 10/16] xilinx_zynq: add devcfg to machine model, Alistair Francis, 2016/01/19