From: Alexander Graf Date: Sat, 22 Jun 2013 22:22:50 +0000 (+0200) Subject: PPC: Add clock-frequency export for Mac machines X-Git-Tag: TizenStudio_2.0_p2.3.2~208^2~1643^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a1014f25ef54bbbdaf571873a1254f85d6dcf132;p=sdk%2Femulator%2Fqemu.git 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 Signed-off-by: Alexander Graf --- diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index d8e4db3..c6889d1 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 3acca94..8faff30 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 acaf0d6..dfcad25 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)