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target/loongarch: Add constant timer support

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Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-25-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Xiaojuan Yang 2022-06-06 20:43:14 +08:00 • committed by Richard Henderson
parent f757a2cd69
commit dd615fa48d
5 changed files with 77 additions and 0 deletions
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4
target/loongarch/cpu.h
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@ -11,6 +11,7 @@
#include "exec/cpu-defs.h"
#include "fpu/softfloat-types.h"
#include "hw/registerfields.h"
#include "qemu/timer.h"
#define TCG_GUEST_DEFAULT_MO (0)
@ -185,6 +186,8 @@ extern const char * const regnames[32];
extern const char * const fregnames[32];
#define N_IRQS 13
#define IRQ_TIMER 11
#define IRQ_IPI 12
#define LOONGARCH_STLB 2048 /* 2048 STLB */
#define LOONGARCH_MTLB 64 /* 64 MTLB */
@ -295,6 +298,7 @@ struct ArchCPU {
CPUNegativeOffsetState neg;
CPULoongArchState env;
QEMUTimer timer;
};
#define TYPE_LOONGARCH_CPU "loongarch-cpu"