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authorAlexander Graf <agraf@suse.de>2014-07-13 22:29:02 +0200
committerAlexander Graf <agraf@suse.de>2014-09-08 12:50:52 +0200
commitcaae6c961107c4c55731a86572f9a1f53837636b (patch)
tree8bb4b61ea92dad1111774543b7612307ee79482c /hw/ppc/mac_oldworld.c
parent2d9907a3332888e43bc73fe9b98a32f8de662526 (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.c12
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);