diff options
| author | Alexander Graf <agraf@suse.de> | 2013-06-23 00:22:50 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-07-01 01:11:17 +0200 |
| commit | a1014f25ef54bbbdaf571873a1254f85d6dcf132 (patch) | |
| tree | e942930ffabd3b5fd84363773687cb252cfb592f | |
| parent | 9761ad757182be663fa31af99abad959ac63b17f (diff) | |
PPC: Add clock-frequency export for Mac machines
Support in fwcfg has been around for exposure of the clock-frequency
CPU property. OpenBIOS reads it, we just never exposed it.
Since Mac OS X is very picky about its clock frequency values, let's
just take a known good value and always expose that.
Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Alexander Graf <agraf@suse.de>
| -rw-r--r-- | hw/ppc/mac_newworld.c | 2 | ||||
| -rw-r--r-- | hw/ppc/mac_oldworld.c | 2 | ||||
| -rw-r--r-- | include/hw/ppc/ppc.h | 1 |
3 files changed, 5 insertions, 0 deletions
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index d8e4db3b6a..c6889d1055 100644 --- a/hw/ppc/mac_newworld.c +++ b/hw/ppc/mac_newworld.c @@ -449,6 +449,8 @@ static void ppc_core99_init(QEMUMachineInitArgs *args) } else { fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec()); } + /* Mac OS X requires a "known good" clock-frequency value; pass it one. */ + fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, 266000000); qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); } diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c index 3acca94432..8faff300ff 100644 --- a/hw/ppc/mac_oldworld.c +++ b/hw/ppc/mac_oldworld.c @@ -333,6 +333,8 @@ static void ppc_heathrow_init(QEMUMachineInitArgs *args) } else { fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec()); } + /* Mac OS X requires a "known good" clock-frequency value; pass it one. */ + fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, 266000000); qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); } diff --git a/include/hw/ppc/ppc.h b/include/hw/ppc/ppc.h index acaf0d6580..dfcad259b2 100644 --- a/include/hw/ppc/ppc.h +++ b/include/hw/ppc/ppc.h @@ -87,6 +87,7 @@ enum { #define FW_CFG_PPC_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01) #define FW_CFG_PPC_DEPTH (FW_CFG_ARCH_LOCAL + 0x02) #define FW_CFG_PPC_TBFREQ (FW_CFG_ARCH_LOCAL + 0x03) +#define FW_CFG_PPC_CLOCKFREQ (FW_CFG_ARCH_LOCAL + 0x04) #define FW_CFG_PPC_IS_KVM (FW_CFG_ARCH_LOCAL + 0x05) #define FW_CFG_PPC_KVM_HC (FW_CFG_ARCH_LOCAL + 0x06) #define FW_CFG_PPC_KVM_PID (FW_CFG_ARCH_LOCAL + 0x07) |