diff options
author | Alexander Graf <agraf@suse.de> | 2014-07-13 22:29:02 +0200 |
---|---|---|
committer | Alexander Graf <agraf@suse.de> | 2014-09-08 12:50:52 +0200 |
commit | caae6c961107c4c55731a86572f9a1f53837636b (patch) | |
tree | 8bb4b61ea92dad1111774543b7612307ee79482c /hw/ppc/mac_oldworld.c | |
parent | 2d9907a3332888e43bc73fe9b98a32f8de662526 (diff) |
PPC: Mac: Move tbfreq into local variable
We already expose the real CPU's tb frequency to the guest via fw_cfg. Soon
we will need to also expose it to the MacIO, so let's move it to a variable
that we can leverage every time we need the frequency.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'hw/ppc/mac_oldworld.c')
-rw-r--r-- | hw/ppc/mac_oldworld.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c index ec7ed38343..863dd2fc3a 100644 --- a/hw/ppc/mac_oldworld.c +++ b/hw/ppc/mac_oldworld.c @@ -103,6 +103,7 @@ static void ppc_heathrow_init(MachineState *machine) uint16_t ppc_boot_device; DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; void *fw_cfg; + uint64_t tbfreq; linux_boot = (kernel_filename != NULL); @@ -250,6 +251,13 @@ static void ppc_heathrow_init(MachineState *machine) } } + /* Timebase Frequency */ + if (kvm_enabled()) { + tbfreq = kvmppc_get_tbfreq(); + } else { + tbfreq = TBFREQ; + } + /* init basic PC hardware */ if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) { hw_error("Only 6xx bus is supported on heathrow machine\n"); @@ -330,15 +338,13 @@ static void ppc_heathrow_init(MachineState *machine) #ifdef CONFIG_KVM uint8_t *hypercall; - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq()); hypercall = g_malloc(16); kvmppc_get_hypercall(env, hypercall, 16); fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16); fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid()); #endif - } else { - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, TBFREQ); } + fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq); /* Mac OS X requires a "known good" clock-frequency value; pass it one. */ fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ); fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ); |