On 01/19/2016 03:30 PM, David Gibson wrote:
rtas_st_buffer_direct() is a not particularly useful wrapper around
cpu_physical_memory_write(). All the callers are in
rtas_ibm_configure_connector, where it's better handled by local helper.
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
Reviewed-by: Alexey Kardashevskiy <a...@ozlabs.ru>
---
hw/ppc/spapr_rtas.c | 17 ++++++++++-------
include/hw/ppc/spapr.h | 8 --------
2 files changed, 10 insertions(+), 15 deletions(-)
diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
index 32cdd66..96759be 100644
--- a/hw/ppc/spapr_rtas.c
+++ b/hw/ppc/spapr_rtas.c
@@ -506,6 +506,13 @@ out:
#define CC_VAL_DATA_OFFSET ((CC_IDX_PROP_DATA_OFFSET + 1) * 4)
#define CC_WA_LEN 4096
+static void configure_connector_st(target_ulong addr, target_ulong offset,
+ const void *buf, size_t len)
+{
+ cpu_physical_memory_write(ppc64_phys_to_real(addr + offset),
+ buf, MIN(len, CC_WA_LEN - offset));
+}
+
static void rtas_ibm_configure_connector(PowerPCCPU *cpu,
sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
@@ -571,8 +578,7 @@ static void rtas_ibm_configure_connector(PowerPCCPU *cpu,
/* provide the name of the next OF node */
wa_offset = CC_VAL_DATA_OFFSET;
rtas_st(wa_addr, CC_IDX_NODE_NAME_OFFSET, wa_offset);
- rtas_st_buffer_direct(wa_addr + wa_offset, CC_WA_LEN - wa_offset,
- (uint8_t *)name, strlen(name) + 1);
+ configure_connector_st(wa_addr, wa_offset, name, strlen(name) + 1);
resp = SPAPR_DR_CC_RESPONSE_NEXT_CHILD;
break;
case FDT_END_NODE:
@@ -597,8 +603,7 @@ static void rtas_ibm_configure_connector(PowerPCCPU *cpu,
/* provide the name of the next OF property */
wa_offset = CC_VAL_DATA_OFFSET;
rtas_st(wa_addr, CC_IDX_PROP_NAME_OFFSET, wa_offset);
- rtas_st_buffer_direct(wa_addr + wa_offset, CC_WA_LEN - wa_offset,
- (uint8_t *)name, strlen(name) + 1);
+ configure_connector_st(wa_addr, wa_offset, name, strlen(name) + 1);
/* provide the length and value of the OF property. data gets
* placed immediately after NULL terminator of the OF property's
@@ -607,9 +612,7 @@ static void rtas_ibm_configure_connector(PowerPCCPU *cpu,
wa_offset += strlen(name) + 1,
rtas_st(wa_addr, CC_IDX_PROP_LEN, prop_len);
rtas_st(wa_addr, CC_IDX_PROP_DATA_OFFSET, wa_offset);
- rtas_st_buffer_direct(wa_addr + wa_offset, CC_WA_LEN - wa_offset,
- (uint8_t *)((struct fdt_property
*)prop)->data,
- prop_len);
+ configure_connector_st(wa_addr, wa_offset, prop->data, prop_len);
resp = SPAPR_DR_CC_RESPONSE_NEXT_PROPERTY;
break;
case FDT_END:
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 1e10fc9..1f9e722 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -506,14 +506,6 @@ static inline void rtas_st(target_ulong phys, int n,
uint32_t val)
stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
}
-static inline void rtas_st_buffer_direct(target_ulong phys,
- target_ulong phys_len,
- uint8_t *buffer, uint16_t buffer_len)
-{
- cpu_physical_memory_write(ppc64_phys_to_real(phys), buffer,
- MIN(buffer_len, phys_len));
-}
-
typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
uint32_t token,
uint32_t nargs, target_ulong args,
--
Alexey
