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spapr: Remove rtas_st_buffer_direct()

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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 <david@gibson.dropbear.id.au>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
This commit is contained in:
David Gibson 2016-01-19 15:57:54 +11:00
parent c920f7b42f
commit f201987b84
2 changed files with 10 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

17
hw/ppc/spapr_rtas.c
View file

@ -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: