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authorUros Majstorovic <majstor@majstor.org>2019-12-04 06:11:35 +0100
committerUros Majstorovic <majstor@majstor.org>2019-12-04 06:11:35 +0100
commit31578e285a21a749a49e3ac146feb8b02fcc7b52 (patch)
treee67f619360352a87fb6e0f410f5246468fbc1073 /code/fe310/include/sifive/devices/plic.h
parent2c981aec5e5c10f9fd036dfb48105b16f16e4233 (diff)
added new metal sdk
Diffstat (limited to 'code/fe310/include/sifive/devices/plic.h')
-rw-r--r--code/fe310/include/sifive/devices/plic.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/code/fe310/include/sifive/devices/plic.h b/code/fe310/include/sifive/devices/plic.h
new file mode 100644
index 0000000..e1ca5d6
--- /dev/null
+++ b/code/fe310/include/sifive/devices/plic.h
@@ -0,0 +1,31 @@
+// See LICENSE for license details.
+
+#ifndef PLIC_H
+#define PLIC_H
+
+#include <sifive/const.h>
+
+// 32 bits per source
+#define PLIC_PRIORITY_OFFSET _AC(0x0000,UL)
+#define PLIC_PRIORITY_SHIFT_PER_SOURCE 2
+// 1 bit per source (1 address)
+#define PLIC_PENDING_OFFSET _AC(0x1000,UL)
+#define PLIC_PENDING_SHIFT_PER_SOURCE 0
+
+//0x80 per target
+#define PLIC_ENABLE_OFFSET _AC(0x2000,UL)
+#define PLIC_ENABLE_SHIFT_PER_TARGET 7
+
+
+#define PLIC_THRESHOLD_OFFSET _AC(0x200000,UL)
+#define PLIC_CLAIM_OFFSET _AC(0x200004,UL)
+#define PLIC_THRESHOLD_SHIFT_PER_TARGET 12
+#define PLIC_CLAIM_SHIFT_PER_TARGET 12
+
+#define PLIC_MAX_SOURCE 1023
+#define PLIC_SOURCE_MASK 0x3FF
+
+#define PLIC_MAX_TARGET 15871
+#define PLIC_TARGET_MASK 0x3FFF
+
+#endif /* PLIC_H */