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-rw-r--r--target/xtensa/cpu.h1
-rw-r--r--target/xtensa/overlay_tool.h1
-rw-r--r--target/xtensa/translate.c10
3 files changed, 12 insertions, 0 deletions
diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h
index d6e6bf6ca1..ba4ef2b6a7 100644
--- a/target/xtensa/cpu.h
+++ b/target/xtensa/cpu.h
@@ -466,6 +466,7 @@ struct XtensaConfig {
unsigned icache_ways;
unsigned dcache_ways;
+ unsigned dcache_line_bytes;
uint32_t memctl_mask;
XtensaMemory instrom;
diff --git a/target/xtensa/overlay_tool.h b/target/xtensa/overlay_tool.h
index b61c925398..4925b21f0e 100644
--- a/target/xtensa/overlay_tool.h
+++ b/target/xtensa/overlay_tool.h
@@ -425,6 +425,7 @@
#define CACHE_SECTION \
.icache_ways = XCHAL_ICACHE_WAYS, \
.dcache_ways = XCHAL_DCACHE_WAYS, \
+ .dcache_line_bytes = XCHAL_DCACHE_LINESIZE, \
.memctl_mask = \
(XCHAL_ICACHE_SIZE ? MEMCTL_IUSEWAYS_MASK : 0) | \
(XCHAL_DCACHE_SIZE ? \
diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index 782f2ec620..24eb70d619 100644
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -1620,6 +1620,12 @@ static void translate_depbits(DisasContext *dc, const OpcodeArg arg[],
arg[2].imm, arg[3].imm);
}
+static void translate_diwbuip(DisasContext *dc, const OpcodeArg arg[],
+ const uint32_t par[])
+{
+ tcg_gen_addi_i32(arg[0].out, arg[0].in, dc->config->dcache_line_bytes);
+}
+
static bool test_ill_entry(DisasContext *dc, const OpcodeArg arg[],
const uint32_t par[])
{
@@ -3098,6 +3104,10 @@ static const XtensaOpcodeOps core_ops[] = {
.translate = translate_nop,
.op_flags = XTENSA_OP_PRIVILEGED,
}, {
+ .name = "diwbui.p",
+ .translate = translate_diwbuip,
+ .op_flags = XTENSA_OP_PRIVILEGED,
+ }, {
.name = "dpfl",
.translate = translate_dcache,
.op_flags = XTENSA_OP_PRIVILEGED,