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authorPeter Maydell <peter.maydell@linaro.org>2020-05-06 15:38:02 +0100
committerPeter Maydell <peter.maydell@linaro.org>2020-05-06 15:38:02 +0100
commit570a9214827e3d42f7173c4d4c9f045b99834cf0 (patch)
tree8f88cdd57b9c0d59f80fa1c069c5d1a11400253f
parenta36d64f43325fa503075cc9408ddabb69b32f829 (diff)
parentf08085f49fb66a5cdc86653bd896d0e728bcee50 (diff)
Merge remote-tracking branch 'remotes/alistair/tags/pull-reg-to-apply-20200505' into staging
Pull request for RegisterAPI This is a single patch to add support to the RegisterAPI for different data sizes. # gpg: Signature made Wed 06 May 2020 00:08:15 BST # gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054 # gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full] # Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054 * remotes/alistair/tags/pull-reg-to-apply-20200505: hw/core/register: Add register_init_block8 helper. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/core/register.c46
-rw-r--r--include/hw/register.h8
2 files changed, 44 insertions, 10 deletions
diff --git a/hw/core/register.c b/hw/core/register.c
index 3c77396587..ddf91eb445 100644
--- a/hw/core/register.c
+++ b/hw/core/register.c
@@ -246,16 +246,18 @@ uint64_t register_read_memory(void *opaque, hwaddr addr,
return extract64(read_val, 0, size * 8);
}
-RegisterInfoArray *register_init_block32(DeviceState *owner,
- const RegisterAccessInfo *rae,
- int num, RegisterInfo *ri,
- uint32_t *data,
- const MemoryRegionOps *ops,
- bool debug_enabled,
- uint64_t memory_size)
+static RegisterInfoArray *register_init_block(DeviceState *owner,
+ const RegisterAccessInfo *rae,
+ int num, RegisterInfo *ri,
+ void *data,
+ const MemoryRegionOps *ops,
+ bool debug_enabled,
+ uint64_t memory_size,
+ size_t data_size_bits)
{
const char *device_prefix = object_get_typename(OBJECT(owner));
RegisterInfoArray *r_array = g_new0(RegisterInfoArray, 1);
+ int data_size = data_size_bits >> 3;
int i;
r_array->r = g_new0(RegisterInfo *, num);
@@ -264,12 +266,12 @@ RegisterInfoArray *register_init_block32(DeviceState *owner,
r_array->prefix = device_prefix;
for (i = 0; i < num; i++) {
- int index = rae[i].addr / 4;
+ int index = rae[i].addr / data_size;
RegisterInfo *r = &ri[index];
*r = (RegisterInfo) {
- .data = &data[index],
- .data_size = sizeof(uint32_t),
+ .data = data + data_size * index,
+ .data_size = data_size,
.access = &rae[i],
.opaque = owner,
};
@@ -284,6 +286,30 @@ RegisterInfoArray *register_init_block32(DeviceState *owner,
return r_array;
}
+RegisterInfoArray *register_init_block8(DeviceState *owner,
+ const RegisterAccessInfo *rae,
+ int num, RegisterInfo *ri,
+ uint8_t *data,
+ const MemoryRegionOps *ops,
+ bool debug_enabled,
+ uint64_t memory_size)
+{
+ return register_init_block(owner, rae, num, ri, (void *)
+ data, ops, debug_enabled, memory_size, 8);
+}
+
+RegisterInfoArray *register_init_block32(DeviceState *owner,
+ const RegisterAccessInfo *rae,
+ int num, RegisterInfo *ri,
+ uint32_t *data,
+ const MemoryRegionOps *ops,
+ bool debug_enabled,
+ uint64_t memory_size)
+{
+ return register_init_block(owner, rae, num, ri, (void *)
+ data, ops, debug_enabled, memory_size, 32);
+}
+
void register_finalize_block(RegisterInfoArray *r_array)
{
object_unparent(OBJECT(&r_array->mem));
diff --git a/include/hw/register.h b/include/hw/register.h
index 5796584588..5d2c565ae0 100644
--- a/include/hw/register.h
+++ b/include/hw/register.h
@@ -185,6 +185,14 @@ uint64_t register_read_memory(void *opaque, hwaddr addr, unsigned size);
* memory region (r_array->mem) the caller should add to a container.
*/
+RegisterInfoArray *register_init_block8(DeviceState *owner,
+ const RegisterAccessInfo *rae,
+ int num, RegisterInfo *ri,
+ uint8_t *data,
+ const MemoryRegionOps *ops,
+ bool debug_enabled,
+ uint64_t memory_size);
+
RegisterInfoArray *register_init_block32(DeviceState *owner,
const RegisterAccessInfo *rae,
int num, RegisterInfo *ri,