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authorMax Filippov <jcmvbkbc@gmail.com>2012-12-05 07:15:20 +0400
committerBlue Swirl <blauwirbel@gmail.com>2012-12-08 18:48:26 +0000
commitfcc803d119a4c01a9b0ee5bda35fda1eeabffa33 (patch)
treebbd6697bd198b45b2322e5b43d3ab5159e093d98 /target-xtensa/cpu.h
parent536b558f5896ebbd635b57fa393e82faaa32ad52 (diff)
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target-xtensa: implement ATOMCTL SR
ATOMCTL SR controls s32c1i opcode behavior depending on targeted memory type. See ISA, 4.3.12.4 for details. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-xtensa/cpu.h')
-rw-r--r--target-xtensa/cpu.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/target-xtensa/cpu.h b/target-xtensa/cpu.h
index 74e9888..d240ab7 100644
--- a/target-xtensa/cpu.h
+++ b/target-xtensa/cpu.h
@@ -65,6 +65,7 @@ enum {
XTENSA_OPTION_FP_COPROCESSOR,
XTENSA_OPTION_MP_SYNCHRO,
XTENSA_OPTION_CONDITIONAL_STORE,
+ XTENSA_OPTION_ATOMCTL,
/* Interrupts and exceptions */
XTENSA_OPTION_EXCEPTION,
@@ -128,6 +129,7 @@ enum {
ITLBCFG = 91,
DTLBCFG = 92,
IBREAKENABLE = 96,
+ ATOMCTL = 99,
IBREAKA = 128,
DBREAKA = 144,
DBREAKC = 160,
@@ -193,6 +195,14 @@ enum {
#define REGION_PAGE_MASK 0xe0000000
+#define PAGE_CACHE_MASK 0x700
+#define PAGE_CACHE_SHIFT 8
+#define PAGE_CACHE_INVALID 0x000
+#define PAGE_CACHE_BYPASS 0x100
+#define PAGE_CACHE_WT 0x200
+#define PAGE_CACHE_WB 0x400
+#define PAGE_CACHE_ISOLATE 0x600
+
enum {
/* Static vectors */
EXC_RESET,