diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2022-02-18 08:34:14 +0100 |
|---|---|---|
| committer | Cédric Le Goater <clg@kaod.org> | 2022-02-18 08:34:14 +0100 |
| commit | 93aeb702105e0dabaf70518bacc7f6fc102c1c34 (patch) | |
| tree | b0d67f28c7688c1f6724868c34bde9326df7d43c /hw/ppc | |
| parent | 5ff40b01244932734ee2ee0075580c653b6dd201 (diff) | |
ppc: allow the hdecr timer to be created/destroyed
Machines which don't emulate the HDEC facility are able to use the
timer for something else. Provide functions to start and stop the
hdecr timer.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[ clg: checkpatch fixes ]
Message-Id: <20220216102545.1808018-4-npiggin@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw/ppc')
| -rw-r--r-- | hw/ppc/ppc.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c index c6dfc5975f..9e99625ea9 100644 --- a/hw/ppc/ppc.c +++ b/hw/ppc/ppc.c @@ -1083,6 +1083,27 @@ clk_setup_cb cpu_ppc_tb_init (CPUPPCState *env, uint32_t freq) return &cpu_ppc_set_tb_clk; } +/* cpu_ppc_hdecr_init may be used if the timer is not used by HDEC emulation */ +void cpu_ppc_hdecr_init(CPUPPCState *env) +{ + PowerPCCPU *cpu = env_archcpu(env); + + assert(env->tb_env->hdecr_timer == NULL); + + env->tb_env->hdecr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, + &cpu_ppc_hdecr_cb, cpu); +} + +void cpu_ppc_hdecr_exit(CPUPPCState *env) +{ + PowerPCCPU *cpu = env_archcpu(env); + + timer_free(env->tb_env->hdecr_timer); + env->tb_env->hdecr_timer = NULL; + + cpu_ppc_hdecr_lower(cpu); +} + /*****************************************************************************/ /* PowerPC 40x timers */ |