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hw/riscv: Provide rdtime callback for TCG in CLINT emulation

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This patch extends CLINT emulation to provide rdtime callback for
TCG. This rdtime callback will be called wheneven TIME CSRs are
read in privileged modes.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Anup Patel 2020-02-02 19:12:17 +05:30 • committed by Palmer Dabbelt
parent c695724868
commit 5f3616ccce
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6 changed files with 16 additions and 8 deletions
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3
include/hw/riscv/sifive_clint.h
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@ -41,7 +41,8 @@ typedef struct SiFiveCLINTState {
} SiFiveCLINTState;
DeviceState *sifive_clint_create(hwaddr addr, hwaddr size, uint32_t num_harts,
uint32_t sip_base, uint32_t timecmp_base, uint32_t time_base);
uint32_t sip_base, uint32_t timecmp_base, uint32_t time_base,
bool provide_rdtime);
enum {
SIFIVE_SIP_BASE = 0x0,