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NOVA: Added syscall to read and write MSRs. This enables core to use performance counters.

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This commit is contained in:
Michael Mueller
2022-12-08 11:18:30 +01:00
parent e0a9f13197
commit 84a5e1ac0a
2 changed files with 18 additions and 1 deletions
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4
repos/base-nova/include/nova/syscall-generic.h
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@@ -246,6 +246,8 @@ namespace Nova {
EC_RESCHEDULE = 3U,
EC_MIGRATE = 4U,
EC_TIME = 5U,
EC_RDMSR = 6U,
EC_WRMSR = 7U,
};
enum Sc_op {
@@ -543,7 +545,7 @@ namespace Nova {
public:
enum { DEFAULT_QUANTUM = 1500, DEFAULT_PRIORITY = 64 };
enum { DEFAULT_QUANTUM = 10000, DEFAULT_PRIORITY = 64 };
Qpd(mword_t quantum = DEFAULT_QUANTUM,
mword_t priority = DEFAULT_PRIORITY)