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-rw-r--r--hw/ppc/pnv_bmc.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/hw/ppc/pnv_bmc.c b/hw/ppc/pnv_bmc.c
index 2e1a03daa4..67ebb16c4d 100644
--- a/hw/ppc/pnv_bmc.c
+++ b/hw/ppc/pnv_bmc.c
@@ -140,6 +140,27 @@ static uint16_t bytes_to_blocks(uint32_t bytes)
return bytes >> BLOCK_SHIFT;
}
+static uint32_t blocks_to_bytes(uint16_t blocks)
+{
+ return blocks << BLOCK_SHIFT;
+}
+
+static int hiomap_erase(PnvPnor *pnor, uint32_t offset, uint32_t size)
+{
+ MemTxResult result;
+ int i;
+
+ for (i = 0; i < size / 4; i++) {
+ result = memory_region_dispatch_write(&pnor->mmio, offset + i * 4,
+ 0xFFFFFFFF, MO_32,
+ MEMTXATTRS_UNSPECIFIED);
+ if (result != MEMTX_OK) {
+ return -1;
+ }
+ }
+ return 0;
+}
+
static void hiomap_cmd(IPMIBmcSim *ibs, uint8_t *cmd, unsigned int cmd_len,
RspBuffer *rsp)
{
@@ -155,10 +176,16 @@ static void hiomap_cmd(IPMIBmcSim *ibs, uint8_t *cmd, unsigned int cmd_len,
switch (cmd[2]) {
case HIOMAP_C_MARK_DIRTY:
case HIOMAP_C_FLUSH:
- case HIOMAP_C_ERASE:
case HIOMAP_C_ACK:
break;
+ case HIOMAP_C_ERASE:
+ if (hiomap_erase(pnor, blocks_to_bytes(cmd[5] << 8 | cmd[4]),
+ blocks_to_bytes(cmd[7] << 8 | cmd[6]))) {
+ rsp_buffer_set_error(rsp, IPMI_CC_UNSPECIFIED);
+ }
+ break;
+
case HIOMAP_C_GET_INFO:
rsp_buffer_push(rsp, 2); /* Version 2 */
rsp_buffer_push(rsp, BLOCK_SHIFT); /* block size */