@@ -469,6 +469,13 @@ void riscv_cpu_list(void);
bool riscv_cpu_exec_interrupt(CPUState *cs, int interrupt_request);
void riscv_cpu_swap_hypervisor_regs(CPURISCVState *env);
int riscv_cpu_claim_interrupts(RISCVCPU *cpu, uint64_t interrupts);
+
+/*
+ * riscv_cpu_release_unclaimed_interrupts:
+ * Release previously claimed interrupts by riscv_cpu_claim_interrupts().
+ */
+void riscv_cpu_release_claimed_interrupts(RISCVCPU *cpu, uint64_t interrupts);
+
uint64_t riscv_cpu_update_mip(RISCVCPU *cpu, uint64_t mask, uint64_t value);
#define BOOL_TO_MASK(x) (-!!(x)) /* helper for riscv_cpu_update_mip value */
void riscv_cpu_set_rdtime_fn(CPURISCVState *env, uint64_t (*fn)(uint32_t),
@@ -596,6 +596,14 @@ int riscv_cpu_claim_interrupts(RISCVCPU *cpu, uint64_t interrupts)
}
}
+void riscv_cpu_release_claimed_interrupts(RISCVCPU *cpu, uint64_t interrupts)
+{
+ CPURISCVState *env = &cpu->env;
+ /* ensure all claimed interrupt are really there */
+ g_assert((env->miclaim & interrupts) == interrupts);
+ env->miclaim &= ~interrupts;
+}
+
uint64_t riscv_cpu_update_mip(RISCVCPU *cpu, uint64_t mask, uint64_t value)
{
CPURISCVState *env = &cpu->env;
This function will be used to undo an interrupt claim made by a previous call to riscv_cpu_claim_interrupts(). Signed-off-by: Damien Hedde <damien.hedde@greensocs.com> --- target/riscv/cpu.h | 7 +++++++ target/riscv/cpu_helper.c | 8 ++++++++ 2 files changed, 15 insertions(+)