diff options
43 files changed, 844 insertions, 120 deletions
diff --git a/arch/m68k/Kbuild b/arch/m68k/Kbuild index 18abb35c26a1..7762af9f6def 100644 --- a/arch/m68k/Kbuild +++ b/arch/m68k/Kbuild @@ -17,3 +17,4 @@ obj-$(CONFIG_M68060) += ifpsp060/ obj-$(CONFIG_M68KFPU_EMU) += math-emu/ obj-$(CONFIG_M68000) += 68000/ obj-$(CONFIG_COLDFIRE) += coldfire/ +obj-$(CONFIG_VIRT) += virt/ diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index 16ea9a67723c..3d5da25c73b5 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -327,7 +327,7 @@ comment "Processor Specific Options" config M68KFPU_EMU bool "Math emulation support" - depends on MMU + depends on M68KCLASSIC && FPU help At some point in the future, this will cause floating-point math instructions to be emulated by the kernel on machines that lack a diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine index eeab4f3e6c19..188a8f8a0104 100644 --- a/arch/m68k/Kconfig.machine +++ b/arch/m68k/Kconfig.machine @@ -149,6 +149,23 @@ config SUN3 If you don't want to compile a kernel exclusively for a Sun 3, say N. +config VIRT + bool "Virtual M68k Machine support" + depends on MMU + select GENERIC_CLOCKEVENTS + select GOLDFISH + select GOLDFISH_TIMER + select GOLDFISH_TTY + select M68040 + select MMU_MOTOROLA if MMU + select RTC_CLASS + select RTC_DRV_GOLDFISH + select TTY + select VIRTIO_MMIO + help + This options enable a pure virtual machine based on m68k, + VIRTIO MMIO devices and GOLDFISH interfaces (TTY, RTC, PIC) + config PILOT bool diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig index 114aaa3f955a..c181030218bf 100644 --- a/arch/m68k/configs/amiga_defconfig +++ b/arch/m68k/configs/amiga_defconfig @@ -42,7 +42,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -581,6 +580,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -613,7 +613,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m CONFIG_GLOB_SELFTEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set @@ -638,7 +637,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -659,6 +657,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig index 30b9d932b930..40755648fb6c 100644 --- a/arch/m68k/configs/apollo_defconfig +++ b/arch/m68k/configs/apollo_defconfig @@ -38,7 +38,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -538,6 +537,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -570,7 +570,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -594,7 +593,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -615,6 +613,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig index 51ff3180e69d..be0d9155fc5b 100644 --- a/arch/m68k/configs/atari_defconfig +++ b/arch/m68k/configs/atari_defconfig @@ -45,7 +45,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -558,6 +557,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -590,7 +590,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m CONFIG_GLOB_SELFTEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set @@ -615,7 +614,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -636,6 +634,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig index 7d95ca4366e4..9af0e2d0d153 100644 --- a/arch/m68k/configs/bvme6000_defconfig +++ b/arch/m68k/configs/bvme6000_defconfig @@ -35,7 +35,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -530,6 +529,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -562,7 +562,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -586,7 +585,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -607,6 +605,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig index e306e3813607..49341d66feb6 100644 --- a/arch/m68k/configs/hp300_defconfig +++ b/arch/m68k/configs/hp300_defconfig @@ -37,7 +37,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -540,6 +539,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -572,7 +572,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -596,7 +595,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -617,6 +615,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig index 41316cf02441..92b33d5ffab1 100644 --- a/arch/m68k/configs/mac_defconfig +++ b/arch/m68k/configs/mac_defconfig @@ -36,7 +36,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -560,6 +559,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -592,7 +592,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m CONFIG_GLOB_SELFTEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set @@ -617,7 +616,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -638,6 +636,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig index 2fc3f0df6d43..6aaa947bc849 100644 --- a/arch/m68k/configs/multi_defconfig +++ b/arch/m68k/configs/multi_defconfig @@ -56,7 +56,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -646,6 +645,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -678,7 +678,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m CONFIG_GLOB_SELFTEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set @@ -703,7 +702,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -724,6 +722,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig index 9603f4396469..b62d65e59938 100644 --- a/arch/m68k/configs/mvme147_defconfig +++ b/arch/m68k/configs/mvme147_defconfig @@ -34,7 +34,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -529,6 +528,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -561,7 +561,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -585,7 +584,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -606,6 +604,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig index c9cabd3344df..8ecf261487d4 100644 --- a/arch/m68k/configs/mvme16x_defconfig +++ b/arch/m68k/configs/mvme16x_defconfig @@ -35,7 +35,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -530,6 +529,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -562,7 +562,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -586,7 +585,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -607,6 +605,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig index 5f994bf44fb8..7540d908897b 100644 --- a/arch/m68k/configs/q40_defconfig +++ b/arch/m68k/configs/q40_defconfig @@ -36,7 +36,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -547,6 +546,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -579,7 +579,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m CONFIG_GLOB_SELFTEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set @@ -604,7 +603,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -625,6 +623,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig index 183e33f7d4a0..832b45944617 100644 --- a/arch/m68k/configs/sun3_defconfig +++ b/arch/m68k/configs/sun3_defconfig @@ -32,7 +32,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -529,6 +528,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -561,7 +561,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -584,7 +583,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -605,6 +603,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig index 8214263b9ab8..9171b687e565 100644 --- a/arch/m68k/configs/sun3x_defconfig +++ b/arch/m68k/configs/sun3x_defconfig @@ -32,7 +32,6 @@ CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_MQ_IOSCHED_KYBER=m CONFIG_IOSCHED_BFQ=m # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set -CONFIG_BINFMT_AOUT=m CONFIG_BINFMT_MISC=m # CONFIG_COMPACTION is not set CONFIG_ZPOOL=m @@ -528,6 +527,7 @@ CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m +CONFIG_CRYPTO_SM3=m CONFIG_CRYPTO_WP512=m CONFIG_CRYPTO_AES=y CONFIG_CRYPTO_AES_TI=m @@ -560,7 +560,6 @@ CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set CONFIG_PRIME_NUMBERS=m CONFIG_CRC32_SELFTEST=m -CONFIG_CRC64=m CONFIG_XZ_DEC_TEST=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y @@ -584,7 +583,6 @@ CONFIG_TEST_SCANF=m CONFIG_TEST_BITMAP=m CONFIG_TEST_UUID=m CONFIG_TEST_XARRAY=m -CONFIG_TEST_OVERFLOW=m CONFIG_TEST_RHASHTABLE=m CONFIG_TEST_SIPHASH=m CONFIG_TEST_IDA=m @@ -605,6 +603,5 @@ CONFIG_TEST_UDELAY=m CONFIG_TEST_STATIC_KEYS=m CONFIG_TEST_KMOD=m CONFIG_TEST_MEMCAT_P=m -CONFIG_TEST_STACKINIT=m CONFIG_TEST_MEMINIT=m CONFIG_TEST_FREE_PAGES=m diff --git a/arch/m68k/configs/virt_defconfig b/arch/m68k/configs/virt_defconfig new file mode 100644 index 000000000000..8059bd618370 --- /dev/null +++ b/arch/m68k/configs/virt_defconfig @@ -0,0 +1,68 @@ +CONFIG_LOCALVERSION="-virt" +CONFIG_SYSVIPC=y +CONFIG_CGROUPS=y +CONFIG_BLK_CGROUP=y +CONFIG_CGROUP_SCHED=y +CONFIG_CGROUP_PIDS=y +CONFIG_CGROUP_RDMA=y +CONFIG_CGROUP_FREEZER=y +CONFIG_CGROUP_DEVICE=y +CONFIG_CGROUP_CPUACCT=y +CONFIG_VIRT=y +CONFIG_PROC_HARDWARE=y +CONFIG_PARTITION_ADVANCED=y +CONFIG_AMIGA_PARTITION=y +CONFIG_ATARI_PARTITION=y +CONFIG_MAC_PARTITION=y +CONFIG_BSD_DISKLABEL=y +CONFIG_MINIX_SUBPARTITION=y +CONFIG_SOLARIS_X86_PARTITION=y +CONFIG_UNIXWARE_DISKLABEL=y +CONFIG_LDM_PARTITION=y +CONFIG_LDM_DEBUG=y +CONFIG_SUN_PARTITION=y +CONFIG_SYSV68_PARTITION=y +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_CGROUP_NET_PRIO=y +CONFIG_CGROUP_NET_CLASSID=y +CONFIG_NET_9P=y +CONFIG_NET_9P_VIRTIO=y +CONFIG_DEVTMPFS=y +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_RAM=y +CONFIG_VIRTIO_BLK=y +CONFIG_SCSI=y +CONFIG_BLK_DEV_SR=y +CONFIG_SCSI_VIRTIO=y +CONFIG_NETDEVICES=y +CONFIG_VIRTIO_NET=y +CONFIG_INPUT_MOUSEDEV=y +CONFIG_INPUT_EVDEV=y +CONFIG_VIRTIO_CONSOLE=y +CONFIG_HW_RANDOM_VIRTIO=y +CONFIG_DRM=y +CONFIG_DRM_VIRTIO_GPU=y +CONFIG_FB=y +CONFIG_SOUND=y +CONFIG_SND=y +CONFIG_SND_VIRTIO=y +CONFIG_VIRT_DRIVERS=y +CONFIG_VIRTIO_INPUT=y +CONFIG_EXT4_FS=y +CONFIG_AUTOFS_FS=y +CONFIG_ISO9660_FS=y +CONFIG_JOLIET=y +CONFIG_ZISOFS=y +CONFIG_UDF_FS=y +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +CONFIG_9P_FS=y +CONFIG_9P_FS_POSIX_ACL=y +CONFIG_9P_FS_SECURITY=y +CONFIG_EARLY_PRINTK=y diff --git a/arch/m68k/include/asm/config.h b/arch/m68k/include/asm/config.h index e73ffa23c4f5..9bb888ab5009 100644 --- a/arch/m68k/include/asm/config.h +++ b/arch/m68k/include/asm/config.h @@ -17,6 +17,7 @@ extern int mac_parse_bootinfo(const struct bi_record *record); extern int mvme147_parse_bootinfo(const struct bi_record *record); extern int mvme16x_parse_bootinfo(const struct bi_record *record); extern int q40_parse_bootinfo(const struct bi_record *record); +extern int virt_parse_bootinfo(const struct bi_record *record); extern void config_amiga(void); extern void config_apollo(void); @@ -29,5 +30,6 @@ extern void config_mvme16x(void); extern void config_q40(void); extern void config_sun3(void); extern void config_sun3x(void); +extern void config_virt(void); #endif /* _M68K_CONFIG_H */ diff --git a/arch/m68k/include/asm/io.h b/arch/m68k/include/asm/io.h index aabe6420ead2..aaeabc65e63c 100644 --- a/arch/m68k/include/asm/io.h +++ b/arch/m68k/include/asm/io.h @@ -8,6 +8,9 @@ #include <asm/io_mm.h> #endif +#define gf_ioread32 ioread32be +#define gf_iowrite32 iowrite32be + #include <asm-generic/io.h> #endif /* _M68K_IO_H */ diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h index 91dd493791d7..7829e955ca04 100644 --- a/arch/m68k/include/asm/irq.h +++ b/arch/m68k/include/asm/irq.h @@ -12,7 +12,8 @@ */ #if defined(CONFIG_COLDFIRE) #define NR_IRQS 256 -#elif defined(CONFIG_VME) || defined(CONFIG_SUN3) || defined(CONFIG_SUN3X) +#elif defined(CONFIG_VME) || defined(CONFIG_SUN3) || \ + defined(CONFIG_SUN3X) || defined(CONFIG_VIRT) #define NR_IRQS 200 #elif defined(CONFIG_ATARI) #define NR_IRQS 141 diff --git a/arch/m68k/include/asm/pgtable_mm.h b/arch/m68k/include/asm/pgtable_mm.h index 143ba7de9bda..9b4e2fe2ac82 100644 --- a/arch/m68k/include/asm/pgtable_mm.h +++ b/arch/m68k/include/asm/pgtable_mm.h @@ -80,6 +80,9 @@ #elif defined(CONFIG_COLDFIRE) #define KMAP_START 0xe0000000 #define KMAP_END 0xf0000000 +#elif defined(CONFIG_VIRT) +#define KMAP_START 0xdf000000 +#define KMAP_END 0xff000000 #else #define KMAP_START 0xd0000000 #define KMAP_END 0xf0000000 @@ -92,6 +95,10 @@ extern unsigned long m68k_vmalloc_end; #elif defined(CONFIG_COLDFIRE) #define VMALLOC_START 0xd0000000 #define VMALLOC_END 0xe0000000 +#elif defined(CONFIG_VIRT) +#define VMALLOC_OFFSET PAGE_SIZE +#define VMALLOC_START (((unsigned long) high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) +#define VMALLOC_END KMAP_START #else /* Just any arbitrary offset to the start of the vmalloc VM area: the * current 8MB value just means that there will be a 8MB "hole" after the diff --git a/arch/m68k/include/asm/raw_io.h b/arch/m68k/include/asm/raw_io.h index 80eb2396d01e..3ba40bc1dfaa 100644 --- a/arch/m68k/include/asm/raw_io.h +++ b/arch/m68k/include/asm/raw_io.h @@ -80,14 +80,14 @@ ({ u16 __v = le16_to_cpu(*(__force volatile u16 *) (addr)); __v; }) #define rom_out_8(addr, b) \ - ({u8 __maybe_unused __w, __v = (b); u32 _addr = ((u32) (addr)); \ + (void)({u8 __maybe_unused __w, __v = (b); u32 _addr = ((u32) (addr)); \ __w = ((*(__force volatile u8 *) ((_addr | 0x10000) + (__v<<1)))); }) #define rom_out_be16(addr, w) \ - ({u16 __maybe_unused __w, __v = (w); u32 _addr = ((u32) (addr)); \ + (void)({u16 __maybe_unused __w, __v = (w); u32 _addr = ((u32) (addr)); \ __w = ((*(__force volatile u16 *) ((_addr & 0xFFFF0000UL) + ((__v & 0xFF)<<1)))); \ __w = ((*(__force volatile u16 *) ((_addr | 0x10000) + ((__v >> 8)<<1)))); }) #define rom_out_le16(addr, w) \ - ({u16 __maybe_unused __w, __v = (w); u32 _addr = ((u32) (addr)); \ + (void)({u16 __maybe_unused __w, __v = (w); u32 _addr = ((u32) (addr)); \ __w = ((*(__force volatile u16 *) ((_addr & 0xFFFF0000UL) + ((__v >> 8)<<1)))); \ __w = ((*(__force volatile u16 *) ((_addr | 0x10000) + ((__v & 0xFF)<<1)))); }) diff --git a/arch/m68k/include/asm/setup.h b/arch/m68k/include/asm/setup.h index 8f2023f8c1c4..2c99477aaf89 100644 --- a/arch/m68k/include/asm/setup.h +++ b/arch/m68k/include/asm/setup.h @@ -37,7 +37,8 @@ extern unsigned long m68k_machtype; #elif defined(CONFIG_ATARI) || defined(CONFIG_MAC) || defined(CONFIG_APOLLO) \ || defined(CONFIG_MVME16x) || defined(CONFIG_BVME6000) \ || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ - || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) + || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) \ + || defined(CONFIG_VIRT) # define MACH_IS_AMIGA (m68k_machtype == MACH_AMIGA) #else # define MACH_AMIGA_ONLY @@ -50,7 +51,8 @@ extern unsigned long m68k_machtype; #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_APOLLO) \ || defined(CONFIG_MVME16x) || defined(CONFIG_BVME6000) \ || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ - || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) + || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) \ + || defined(CONFIG_VIRT) # define MACH_IS_ATARI (m68k_machtype == MACH_ATARI) #else # define MACH_ATARI_ONLY @@ -63,7 +65,8 @@ extern unsigned long m68k_machtype; #elif defined(CONFIG_AMIGA) || defined(CONFIG_ATARI) || defined(CONFIG_APOLLO) \ || defined(CONFIG_MVME16x) || defined(CONFIG_BVME6000) \ || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ - || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) + || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) \ + || defined(CONFIG_VIRT) # define MACH_IS_MAC (m68k_machtype == MACH_MAC) #else # define MACH_MAC_ONLY @@ -84,7 +87,8 @@ extern unsigned long m68k_machtype; #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ || defined(CONFIG_MVME16x) || defined(CONFIG_BVME6000) \ || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ - || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) + || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) \ + || defined(CONFIG_VIRT) # define MACH_IS_APOLLO (m68k_machtype == MACH_APOLLO) #else # define MACH_APOLLO_ONLY @@ -97,7 +101,8 @@ extern unsigned long m68k_machtype; #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ || defined(CONFIG_APOLLO) || defined(CONFIG_BVME6000) \ || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ - || defined(CONFIG_SUN3X) || defined(CONFIG_MVME16x) + || defined(CONFIG_SUN3X) || defined(CONFIG_MVME16x) \ + || defined(CONFIG_VIRT) # define MACH_IS_MVME147 (m68k_machtype == MACH_MVME147) #else # define MACH_MVME147_ONLY @@ -110,7 +115,8 @@ extern unsigned long m68k_machtype; #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ || defined(CONFIG_APOLLO) || defined(CONFIG_BVME6000) \ || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ - || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) + || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) \ + || defined(CONFIG_VIRT) # define MACH_IS_MVME16x (m68k_machtype == MACH_MVME16x) #else # define MACH_MVME16x_ONLY @@ -123,7 +129,8 @@ extern unsigned long m68k_machtype; #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ || defined(CONFIG_APOLLO) || defined(CONFIG_MVME16x) \ || defined(CONFIG_HP300) || defined(CONFIG_Q40) \ - || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) + || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) \ + || defined(CONFIG_VIRT) # define MACH_IS_BVME6000 (m68k_machtype == MACH_BVME6000) #else # define MACH_BVME6000_ONLY @@ -136,7 +143,8 @@ extern unsigned long m68k_machtype; #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ || defined(CONFIG_APOLLO) || defined(CONFIG_MVME16x) \ || defined(CONFIG_BVME6000) || defined(CONFIG_Q40) \ - || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) + || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) \ + || defined(CONFIG_VIRT) # define MACH_IS_HP300 (m68k_machtype == MACH_HP300) #else # define MACH_HP300_ONLY @@ -149,7 +157,8 @@ extern unsigned long m68k_machtype; #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ || defined(CONFIG_APOLLO) || defined(CONFIG_MVME16x) \ || defined(CONFIG_BVME6000) || defined(CONFIG_HP300) \ - || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) + || defined(CONFIG_SUN3X) || defined(CONFIG_MVME147) \ + || defined(CONFIG_VIRT) # define MACH_IS_Q40 (m68k_machtype == MACH_Q40) #else # define MACH_Q40_ONLY @@ -162,7 +171,8 @@ extern unsigned long m68k_machtype; #elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ || defined(CONFIG_APOLLO) || defined(CONFIG_MVME16x) \ || defined(CONFIG_BVME6000) || defined(CONFIG_HP300) \ - || defined(CONFIG_Q40) || defined(CONFIG_MVME147) + || defined(CONFIG_Q40) || defined(CONFIG_MVME147) \ + || defined(CONFIG_VIRT) # define MACH_IS_SUN3X (m68k_machtype == MACH_SUN3X) #else # define CONFIG_SUN3X_ONLY @@ -170,6 +180,20 @@ extern unsigned long m68k_machtype; # define MACH_TYPE (MACH_SUN3X) #endif +#if !defined(CONFIG_VIRT) +# define MACH_IS_VIRT (0) +#elif defined(CONFIG_AMIGA) || defined(CONFIG_MAC) || defined(CONFIG_ATARI) \ + || defined(CONFIG_APOLLO) || defined(CONFIG_MVME16x) \ + || defined(CONFIG_BVME6000) || defined(CONFIG_HP300) \ + || defined(CONFIG_Q40) || defined(CONFIG_SUN3X) \ + || defined(CONFIG_MVME147) +# define MACH_IS_VIRT (m68k_machtype == MACH_VIRT) +#else +# define MACH_VIRT_ONLY +# define MACH_IS_VIRT (1) +# define MACH_TYPE (MACH_VIRT) +#endif + #ifndef MACH_TYPE # define MACH_TYPE (m68k_machtype) #endif diff --git a/arch/m68k/include/asm/virt.h b/arch/m68k/include/asm/virt.h new file mode 100644 index 000000000000..d3320c954796 --- /dev/null +++ b/arch/m68k/include/asm/virt.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_VIRT_H +#define __ASM_VIRT_H + +#define NUM_VIRT_SOURCES 200 + +struct virt_booter_device_data { + u32 mmio; + u32 irq; +}; + +struct virt_booter_data { + u32 qemu_version; + struct virt_booter_device_data pic; + struct virt_booter_device_data rtc; + struct virt_booter_device_data tty; + struct virt_booter_device_data ctrl; + struct virt_booter_device_data virtio; +}; + +extern struct virt_booter_data virt_bi_data; + +extern void __init virt_init_IRQ(void); + +#endif diff --git a/arch/m68k/include/uapi/asm/bootinfo-virt.h b/arch/m68k/include/uapi/asm/bootinfo-virt.h new file mode 100644 index 000000000000..e4db7e2213ab --- /dev/null +++ b/arch/m68k/include/uapi/asm/bootinfo-virt.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * asm/bootinfo-virt.h -- Virtual-m68k-specific boot information definitions + */ + +#ifndef _UAPI_ASM_M68K_BOOTINFO_VIRT_H +#define _UAPI_ASM_M68K_BOOTINFO_VIRT_H + +#define BI_VIRT_QEMU_VERSION 0x8000 +#define BI_VIRT_GF_PIC_BASE 0x8001 +#define BI_VIRT_GF_RTC_BASE 0x8002 +#define BI_VIRT_GF_TTY_BASE 0x8003 +#define BI_VIRT_VIRTIO_BASE 0x8004 +#define BI_VIRT_CTRL_BASE 0x8005 + +#define VIRT_BOOTI_VERSION MK_BI_VERSION(2, 0) + +#endif /* _UAPI_ASM_M68K_BOOTINFO_MAC_H */ diff --git a/arch/m68k/include/uapi/asm/bootinfo.h b/arch/m68k/include/uapi/asm/bootinfo.h index 38d3140381fa..203d9cbf9630 100644 --- a/arch/m68k/include/uapi/asm/bootinfo.h +++ b/arch/m68k/include/uapi/asm/bootinfo.h @@ -83,6 +83,7 @@ struct mem_info { #define MACH_SUN3X 11 #define MACH_M54XX 12 #define MACH_M5441X 13 +#define MACH_VIRT 14 /* diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile index dbac7f8743fc..c0833da6a2ca 100644 --- a/arch/m68k/kernel/Makefile +++ b/arch/m68k/kernel/Makefile @@ -11,6 +11,7 @@ extra-$(CONFIG_VME) := head.o extra-$(CONFIG_HP300) := head.o extra-$(CONFIG_Q40) := head.o extra-$(CONFIG_SUN3X) := head.o +extra-$(CONFIG_VIRT) := head.o extra-$(CONFIG_SUN3) := sun3-head.o extra-y += vmlinux.lds diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 9434fca68de5..18f278bdbd21 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -181,7 +181,7 @@ do_trace_entry: movel #-ENOSYS,%sp@(PT_OFF_D0)| needed for strace subql #4,%sp SAVE_SWITCH_STACK - jbsr syscall_trace + jbsr syscall_trace_enter RESTORE_SWITCH_STACK addql #4,%sp movel %sp@(PT_OFF_ORIG_D0),%d0 @@ -194,7 +194,7 @@ badsys: do_trace_exit: subql #4,%sp SAVE_SWITCH_STACK - jbsr syscall_trace + jbsr syscall_trace_leave RESTORE_SWITCH_STACK addql #4,%sp jra .Lret_from_exception diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S index 493c95db0e51..9e812d8606be 100644 --- a/arch/m68k/kernel/head.S +++ b/arch/m68k/kernel/head.S @@ -262,6 +262,7 @@ #include <asm/bootinfo-hp300.h> #include <asm/bootinfo-mac.h> #include <asm/bootinfo-q40.h> +#include <asm/bootinfo-virt.h> #include <asm/bootinfo-vme.h> #include <asm/setup.h> #include <asm/entry.h> @@ -534,6 +535,7 @@ func_define putn,1 #define is_not_apollo(lab) cmpl &MACH_APOLLO,%pc@(m68k_machtype); jne lab #define is_not_q40(lab) cmpl &MACH_Q40,%pc@(m68k_machtype); jne lab #define is_not_sun3x(lab) cmpl &MACH_SUN3X,%pc@(m68k_machtype); jne lab +#define is_not_virt(lab) cmpl &MACH_VIRT,%pc@(m68k_machtype); jne lab #define hasnt_leds(lab) cmpl &MACH_HP300,%pc@(m68k_machtype); \ jeq 42f; \ @@ -647,6 +649,14 @@ ENTRY(__start) L(test_notmac): #endif /* CONFIG_MAC */ +#ifdef CONFIG_VIRT + is_not_virt(L(test_notvirt)) + + get_bi_record BI_VIRT_GF_TTY_BASE + lea %pc@(L(virt_gf_tty_base)),%a1 + movel %a0@,%a1@ +L(test_notvirt): +#endif /* CONFIG_VIRT */ /* * There are ultimately two pieces of information we want for all kinds of @@ -1237,6 +1247,13 @@ L(mmu_init_not_mac): L(notsun3x): #endif +#ifdef CONFIG_VIRT + is_not_virt(L(novirt)) + mmu_map_tt #1,#0xFF000000,#0x01000000,#_PAGE_NOCACHE_S + jbra L(mmu_init_done) +L(novirt): +#endif + #ifdef CONFIG_APOLLO is_not_apollo(L(notapollo)) @@ -3186,6 +3203,14 @@ func_start serial_putc,%d0/%d1/%a0/%a1 3: #endif +#ifdef CONFIG_VIRT + is_not_virt(1f) + + movel L(virt_gf_tty_base),%a1 + movel %d0,%a1@(GF_PUT_CHAR) +1: +#endif + L(serial_putc_done): func_return serial_putc @@ -3865,3 +3890,9 @@ q40_mem_cptr: L(q40_do_debug): .long 0 #endif + +#if defined(CONFIG_VIRT) +GF_PUT_CHAR = 0x00 +L(virt_gf_tty_base): + .long 0 +#endif /* CONFIG_VIRT */ diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index 6342ff4d2073..daebccdd2c09 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -270,12 +270,6 @@ out_eio: return -EIO; } -asmlinkage void syscall_trace(void) -{ - ptrace_report_syscall(0); -} - -#if defined(CONFIG_COLDFIRE) || !defined(CONFIG_MMU) asmlinkage int syscall_trace_enter(void) { int ret = 0; @@ -290,4 +284,3 @@ asmlinkage void syscall_trace_leave(void) if (test_thread_flag(TIF_SYSCALL_TRACE)) ptrace_report_syscall_exit(task_pt_regs(current), 0); } -#endif /* CONFIG_COLDFIRE */ diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c index 8f94feed969c..78ab562beb31 100644 --- a/arch/m68k/kernel/setup_mm.c +++ b/arch/m68k/kernel/setup_mm.c @@ -181,6 +181,8 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record) unknown = hp300_parse_bootinfo(record); else if (MACH_IS_APOLLO) unknown = apollo_parse_bootinfo(record); + else if (MACH_IS_VIRT) + unknown = virt_parse_bootinfo(record); else unknown = 1; } @@ -312,6 +314,11 @@ void __init setup_arch(char **cmdline_p) config_BSP(NULL, 0); break; #endif +#ifdef CONFIG_VIRT + case MACH_VIRT: + config_virt(); + break; +#endif default: panic("No configuration setup"); } diff --git a/arch/m68k/math-emu/fp_arith.c b/arch/m68k/math-emu/fp_arith.c index d9033238d097..f4a06492cd7a 100644 --- a/arch/m68k/math-emu/fp_arith.c +++ b/arch/m68k/math-emu/fp_arith.c @@ -243,7 +243,7 @@ fp_fdiv(struct fp_ext *dest, struct fp_ext *src) /* infinity / infinity = NaN (quiet, as always) */ if (IS_INF(src)) fp_set_nan(dest); - /* infinity / anything else = infinity (with approprate sign) */ + /* infinity / anything else = infinity (with appropriate sign) */ return dest; } if (IS_INF(src)) { diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c index 20ddf71b43d0..7594a945732b 100644 --- a/arch/m68k/mm/kmap.c +++ b/arch/m68k/mm/kmap.c @@ -179,6 +179,12 @@ void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cachefla return (void __iomem *)physaddr; } #endif +#ifdef CONFIG_VIRT + if (MACH_IS_VIRT) { + if (physaddr >= 0xff000000 && cacheflag == IOMAP_NOCACHE_SER) + return (void __iomem *)physaddr; + } +#endif #ifdef CONFIG_COLDFIRE if (__cf_internalio(physaddr)) return (void __iomem *) physaddr; @@ -293,17 +299,20 @@ EXPORT_SYMBOL(__ioremap); void iounmap(void __iomem *addr) { #ifdef CONFIG_AMIGA - if ((!MACH_IS_AMIGA) || - (((unsigned long)addr < 0x40000000) || - ((unsigned long)addr > 0x60000000))) - free_io_area((__force void *)addr); -#else + if (MACH_IS_AMIGA && + ((unsigned long)addr >= 0x40000000) && + ((unsigned long)addr < 0x60000000)) + return; +#endif +#ifdef CONFIG_VIRT + if (MACH_IS_VIRT && (unsigned long)addr >= 0xff000000) + return; +#endif #ifdef CONFIG_COLDFIRE if (cf_internalio(addr)) return; #endif free_io_area((__force void *)addr); -#endif } EXPORT_SYMBOL(iounmap); diff --git a/arch/m68k/virt/Makefile b/arch/m68k/virt/Makefile new file mode 100644 index 000000000000..54b9b2866654 --- /dev/null +++ b/arch/m68k/virt/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Makefile for Linux arch/m68k/virt source directory +# + +obj-y := config.o ints.o platform.o diff --git a/arch/m68k/virt/config.c b/arch/m68k/virt/config.c new file mode 100644 index 000000000000..68d29c8b87e1 --- /dev/null +++ b/arch/m68k/virt/config.c @@ -0,0 +1,130 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/serial_core.h> +#include <clocksource/timer-goldfish.h> + +#include <asm/bootinfo.h> +#include <asm/bootinfo-virt.h> +#include <asm/byteorder.h> +#include <asm/machdep.h> +#include <asm/virt.h> +#include <asm/config.h> + +struct virt_booter_data virt_bi_data; + +#define VIRT_CTRL_REG_FEATURES 0x00 +#define VIRT_CTRL_REG_CMD 0x04 + +static struct resource ctrlres; + +enum { + CMD_NOOP, + CMD_RESET, + CMD_HALT, + CMD_PANIC, +}; + +static void virt_get_model(char *str) +{ + /* str is 80 characters long */ + sprintf(str, "QEMU Virtual M68K Machine (%u.%u.%u)", + (u8)(virt_bi_data.qemu_version >> 24), + (u8)(virt_bi_data.qemu_version >> 16), + (u8)(virt_bi_data.qemu_version >> 8)); +} + +static void virt_halt(void) +{ + void __iomem *base = (void __iomem *)virt_bi_data.ctrl.mmio; + + iowrite32be(CMD_HALT, base + VIRT_CTRL_REG_CMD); + local_irq_disable(); + while (1) + ; +} + +static void virt_reset(void) +{ + void __iomem *base = (void __iomem *)virt_bi_data.ctrl.mmio; + + iowrite32be(CMD_RESET, base + VIRT_CTRL_REG_CMD); + local_irq_disable(); + while (1) + ; +} + +/* + * Parse a virtual-m68k-specific record in the bootinfo + */ + +int __init virt_parse_bootinfo(const struct bi_record *record) +{ + int unknown = 0; + const void *data = record->data; + + switch (be16_to_cpu(record->tag)) { + case BI_VIRT_QEMU_VERSION: + virt_bi_data.qemu_version = be32_to_cpup(data); + break; + case BI_VIRT_GF_PIC_BASE: + virt_bi_data.pic.mmio = be32_to_cpup(data); + data += 4; + virt_bi_data.pic.irq = be32_to_cpup(data); + break; + case BI_VIRT_GF_RTC_BASE: + virt_bi_data.rtc.mmio = be32_to_cpup(data); + data += 4; + virt_bi_data.rtc.irq = be32_to_cpup(data); + break; + case BI_VIRT_GF_TTY_BASE: + virt_bi_data.tty.mmio = be32_to_cpup(data); + data += 4; + virt_bi_data.tty.irq = be32_to_cpup(data); + break; + case BI_VIRT_CTRL_BASE: + virt_bi_data.ctrl.mmio = be32_to_cpup(data); + data += 4; + virt_bi_data.ctrl.irq = be32_to_cpup(data); + break; + case BI_VIRT_VIRTIO_BASE: + virt_bi_data.virtio.mmio = be32_to_cpup(data); + data += 4; + virt_bi_data.virtio.irq = be32_to_cpup(data); + break; + default: + unknown = 1; + break; + } + return unknown; +} + +static void __init virt_sched_init(void) +{ + goldfish_timer_init(virt_bi_data.rtc.irq, + (void __iomem *)virt_bi_data.rtc.mmio); +} + +void __init config_virt(void) +{ + char earlycon[24]; + + snprintf(earlycon, sizeof(earlycon), "early_gf_tty,0x%08x", + virt_bi_data.tty.mmio); + setup_earlycon(earlycon); + + ctrlres = (struct resource) + DEFINE_RES_MEM_NAMED(virt_bi_data.ctrl.mmio, 0x100, + "virtctrl"); + + if (request_resource(&iomem_resource, &ctrlres)) { + pr_err("Cannot allocate virt controller resource\n"); + return; + } + + mach_init_IRQ = virt_init_IRQ; + mach_sched_init = virt_sched_init; + mach_get_model = virt_get_model; + mach_reset = virt_reset; + mach_halt = virt_halt; + mach_power_off = virt_halt; +} diff --git a/arch/m68k/virt/ints.c b/arch/m68k/virt/ints.c new file mode 100644 index 000000000000..95818f901ebe --- /dev/null +++ b/arch/m68k/virt/ints.c @@ -0,0 +1,155 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/sched/debug.h> +#include <linux/types.h> +#include <linux/ioport.h> + +#include <asm/hwtest.h> +#include <asm/irq.h> +#include <asm/irq_regs.h> +#include <asm/virt.h> + +#define GFPIC_REG_IRQ_PENDING 0x04 +#define GFPIC_REG_IRQ_DISABLE_ALL 0x08 +#define GFPIC_REG_IRQ_DISABLE 0x0c +#define GFPIC_REG_IRQ_ENABLE 0x10 + +extern void show_registers(struct pt_regs *regs); + +static struct resource picres[6]; +static const char *picname[6] = { + "goldfish_pic.0", + "goldfish_pic.1", + "goldfish_pic.2", + "goldfish_pic.3", + "goldfish_pic.4", + "goldfish_pic.5" +}; + +/* + * 6 goldfish-pic for CPU IRQ #1 to IRQ #6 + * CPU IRQ #1 -> PIC #1 + * IRQ #1 to IRQ #31 -> unused + * IRQ #32 -> goldfish-tty + * CPU IRQ #2 -> PIC #2 + * IRQ #1 to IRQ #32 -> virtio-mmio from 1 to 32 + * CPU IRQ #3 -> PIC #3 + * IRQ #1 to IRQ #32 -> virtio-mmio from 33 to 64 + * CPU IRQ #4 -> PIC #4 + * IRQ #1 to IRQ #32 -> virtio-mmio from 65 to 96 + * CPU IRQ #5 -> PIC #5 + * IRQ #1 to IRQ #32 -> virtio-mmio from 97 to 128 + * CPU IRQ #6 -> PIC #6 + * IRQ #1 -> goldfish-timer + * IRQ #2 -> goldfish-rtc + * IRQ #3 to IRQ #32 -> unused + * CPU IRQ #7 -> NMI + */ + +static u32 gfpic_read(int pic, int reg) +{ + void __iomem *base = (void __iomem *)(virt_bi_data.pic.mmio + + pic * 0x1000); + + return ioread32be(base + reg); +} + +static void gfpic_write(u32 value, int pic, int reg) +{ + void __iomem *base = (void __iomem *)(virt_bi_data.pic.mmio + + pic * 0x1000); + + iowrite32be(value, base + reg); +} + +#define GF_PIC(irq) ((irq - IRQ_USER) / 32) +#define GF_IRQ(irq) ((irq - IRQ_USER) % 32) + +static void virt_irq_enable(struct irq_data *data) +{ + gfpic_write(BIT(GF_IRQ(data->irq)), GF_PIC(data->irq), + GFPIC_REG_IRQ_ENABLE); +} + +static void virt_irq_disable(struct irq_data *data) +{ + gfpic_write(BIT(GF_IRQ(data->irq)), GF_PIC(data->irq), + GFPIC_REG_IRQ_DISABLE); +} + +static unsigned int virt_irq_startup(struct irq_data *data) +{ + virt_irq_enable(data); + return 0; +} + +static irqreturn_t virt_nmi_handler(int irq, void *dev_id) +{ + static int in_nmi; + + if (READ_ONCE(in_nmi)) + return IRQ_HANDLED; + WRITE_ONCE(in_nmi, 1); + + pr_warn("Non-Maskable Interrupt\n"); + show_registers(get_irq_regs()); + + WRITE_ONCE(in_nmi, 0); + return IRQ_HANDLED; +} + +static struct irq_chip virt_irq_chip = { + .name = "virt", + .irq_enable = virt_irq_enable, + .irq_disable = virt_irq_disable, + .irq_startup = virt_irq_startup, + .irq_shutdown = virt_irq_disable, +}; + +static void goldfish_pic_irq(struct irq_desc *desc) +{ + u32 irq_pending; + unsigned int irq_num; + unsigned int pic = desc->irq_data.irq - 1; + + irq_pending = gfpic_read(pic, GFPIC_REG_IRQ_PENDING); + irq_num = IRQ_USER + pic * 32; + + do { + if (irq_pending & 1) + generic_handle_irq(irq_num); + ++irq_num; + irq_pending >>= 1; + } while (irq_pending); +} + +void __init virt_init_IRQ(void) +{ + unsigned int i; + + m68k_setup_irq_controller(&virt_irq_chip, handle_simple_irq, IRQ_USER, + NUM_VIRT_SOURCES - IRQ_USER); + + for (i = 0; i < 6; i++) { + + picres[i] = (struct resource) + DEFINE_RES_MEM_NAMED(virt_bi_data.pic.mmio + i * 0x1000, + 0x1000, picname[i]); + if (request_resource(&iomem_resource, &picres[i])) { + pr_err("Cannot allocate %s resource\n", picname[i]); + return; + } + + irq_set_chained_handler(virt_bi_data.pic.irq + i, + goldfish_pic_irq); + } + + if (request_irq(IRQ_AUTO_7, virt_nmi_handler, 0, "NMI", + virt_nmi_handler)) + pr_err("Couldn't register NMI\n"); +} diff --git a/arch/m68k/virt/platform.c b/arch/m68k/virt/platform.c new file mode 100644 index 000000000000..cb820f19a221 --- /dev/null +++ b/arch/m68k/virt/platform.c @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/memblock.h> +#include <asm/virt.h> +#include <asm/irq.h> + +#define VIRTIO_BUS_NB 128 + +static int __init virt_virtio_init(unsigned int id) +{ + const struct resource res[] = { + DEFINE_RES_MEM(virt_bi_data.virtio.mmio + id * 0x200, 0x200), + DEFINE_RES_IRQ(virt_bi_data.virtio.irq + id), + }; + struct platform_device *pdev; + + pdev = platform_device_register_simple("virtio-mmio", id, + res, ARRAY_SIZE(res)); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + return 0; +} + +static int __init virt_platform_init(void) +{ + const struct resource goldfish_tty_res[] = { + DEFINE_RES_MEM(virt_bi_data.tty.mmio, 1), + DEFINE_RES_IRQ(virt_bi_data.tty.irq), + }; + /* this is the second gf-rtc, the first one is used by the scheduler */ + const struct resource goldfish_rtc_res[] = { + DEFINE_RES_MEM(virt_bi_data.rtc.mmio + 0x1000, 0x1000), + DEFINE_RES_IRQ(virt_bi_data.rtc.irq + 1), + }; + struct platform_device *pdev; + unsigned int i; + + if (!MACH_IS_VIRT) + return -ENODEV; + + /* We need this to have DMA'able memory provided to goldfish-tty */ + min_low_pfn = 0; + + pdev = platform_device_register_simple("goldfish_tty", + PLATFORM_DEVID_NONE, + goldfish_tty_res, + ARRAY_SIZE(goldfish_tty_res)); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + pdev = platform_device_register_simple("goldfish_rtc", + PLATFORM_DEVID_NONE, + goldfish_rtc_res, + ARRAY_SIZE(goldfish_rtc_res)); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + for (i = 0; i < VIRTIO_BUS_NB; i++) { + int err; + + err = virt_virtio_init(i); + if (err) + return err; + } + + return 0; +} + +arch_initcall(virt_platform_init); diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 1589ae7d5abb..06866bfa1826 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -711,4 +711,11 @@ config MICROCHIP_PIT64B modes and high resolution. It is used as a clocksource and a clockevent. +config GOLDFISH_TIMER + bool "Clocksource using goldfish-rtc" + depends on M68K || COMPILE_TEST + depends on RTC_DRV_GOLDFISH + help + Support for the timer/counter of goldfish-rtc + endmenu diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile index 9c85ee2bb373..b839beb6ea53 100644 --- a/drivers/clocksource/Makefile +++ b/drivers/clocksource/Makefile @@ -88,3 +88,4 @@ obj-$(CONFIG_GX6605S_TIMER) += timer-gx6605s.o obj-$(CONFIG_HYPERV_TIMER) += hyperv_timer.o obj-$(CONFIG_MICROCHIP_PIT64B) += timer-microchip-pit64b.o obj-$(CONFIG_MSC313E_TIMER) += timer-msc313e.o +obj-$(CONFIG_GOLDFISH_TIMER) += timer-goldfish.o diff --git a/drivers/clocksource/timer-goldfish.c b/drivers/clocksource/timer-goldfish.c new file mode 100644 index 000000000000..0512d5eabc82 --- /dev/null +++ b/drivers/clocksource/timer-goldfish.c @@ -0,0 +1,153 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/clocksource.h> +#include <linux/clockchips.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/goldfish.h> +#include <clocksource/timer-goldfish.h> + +struct goldfish_timer { + struct clocksource cs; + struct clock_event_device ced; + struct resource res; + void __iomem *base; +}; + +static struct goldfish_timer *ced_to_gf(struct clock_event_device *ced) +{ + return container_of(ced, struct goldfish_timer, ced); +} + +static struct goldfish_timer *cs_to_gf(struct clocksource *cs) +{ + return container_of(cs, struct goldfish_timer, cs); +} + +static u64 goldfish_timer_read(struct clocksource *cs) +{ + struct goldfish_timer *timerdrv = cs_to_gf(cs); + void __iomem *base = timerdrv->base; + u32 time_low, time_high; + u64 ticks; + + /* + * time_low: get low bits of current time and update time_high + * time_high: get high bits of time at last time_low read + */ + time_low = gf_ioread32(base + TIMER_TIME_LOW); + time_high = gf_ioread32(base + TIMER_TIME_HIGH); + + ticks = ((u64)time_high << 32) | time_low; + + return ticks; +} + +static int goldfish_timer_set_oneshot(struct clock_event_device *evt) +{ + struct goldfish_timer *timerdrv = ced_to_gf(evt); + void __iomem *base = timerdrv->base; + + gf_iowrite32(0, base + TIMER_ALARM_HIGH); + gf_iowrite32(0, base + TIMER_ALARM_LOW); + gf_iowrite32(1, base + TIMER_IRQ_ENABLED); + + return 0; +} + +static int goldfish_timer_shutdown(struct clock_event_device *evt) +{ + struct goldfish_timer *timerdrv = ced_to_gf(evt); + void __iomem *base = timerdrv->base; + + gf_iowrite32(0, base + TIMER_IRQ_ENABLED); + + return 0; +} + +static int goldfish_timer_next_event(unsigned long delta, + struct clock_event_device *evt) +{ + struct goldfish_timer *timerdrv = ced_to_gf(evt); + void __iomem *base = timerdrv->base; + u64 now; + + now = goldfish_timer_read(&timerdrv->cs); + + now += delta; + + gf_iowrite32(upper_32_bits(now), base + TIMER_ALARM_HIGH); + gf_iowrite32(lower_32_bits(now), base + TIMER_ALARM_LOW); + + return 0; +} + +static irqreturn_t goldfish_timer_irq(int irq, void *dev_id) +{ + struct goldfish_timer *timerdrv = dev_id; + struct clock_event_device *evt = &timerdrv->ced; + void __iomem *base = timerdrv->base; + + gf_iowrite32(1, base + TIMER_CLEAR_INTERRUPT); + + evt->event_handler(evt); + + return IRQ_HANDLED; +} + +int __init goldfish_timer_init(int irq, void __iomem *base) +{ + struct goldfish_timer *timerdrv; + int ret; + + timerdrv = kzalloc(sizeof(*timerdrv), GFP_KERNEL); + if (!timerdrv) + return -ENOMEM; + + timerdrv->base = base; + + timerdrv->ced = (struct clock_event_device){ + .name = "goldfish_timer", + .features = CLOCK_EVT_FEAT_ONESHOT, + .set_state_shutdown = goldfish_timer_shutdown, + .set_state_oneshot = goldfish_timer_set_oneshot, + .set_next_event = goldfish_timer_next_event, + }; + + timerdrv->res = (struct resource){ + .name = "goldfish_timer", + .start = (unsigned long)base, + .end = (unsigned long)base + 0xfff, + }; + + ret = request_resource(&iomem_resource, &timerdrv->res); + if (ret) { + pr_err("Cannot allocate '%s' resource\n", timerdrv->res.name); + return ret; + } + + timerdrv->cs = (struct clocksource){ + .name = "goldfish_timer", + .rating = 400, + .read = goldfish_timer_read, + .mask = CLOCKSOURCE_MASK(64), + .flags = 0, + .max_idle_ns = LONG_MAX, + }; + + clocksource_register_hz(&timerdrv->cs, NSEC_PER_SEC); + + ret = request_irq(irq, goldfish_timer_irq, IRQF_TIMER, + "goldfish_timer", timerdrv); + if (ret) { + pr_err("Couldn't register goldfish-timer interrupt\n"); + return ret; + } + + clockevents_config_and_register(&timerdrv->ced, NSEC_PER_SEC, + 1, 0xffffffff); + + return 0; +} diff --git a/drivers/rtc/rtc-goldfish.c b/drivers/rtc/rtc-goldfish.c index 7ab95d052644..59c0f38cc08d 100644 --- a/drivers/rtc/rtc-goldfish.c +++ b/drivers/rtc/rtc-goldfish.c @@ -10,18 +10,8 @@ #include <linux/of.h> #include <linux/platform_device.h> #include <linux/rtc.h> - -#define TIMER_TIME_LOW 0x00 /* get low bits of current time */ - /* and update TIMER_TIME_HIGH */ -#define TIMER_TIME_HIGH 0x04 /* get high bits of time at last */ - /* TIMER_TIME_LOW read */ -#define TIMER_ALARM_LOW 0x08 /* set low bits of alarm and */ - /* activate it */ -#define TIMER_ALARM_HIGH 0x0c /* set high bits of next alarm */ -#define TIMER_IRQ_ENABLED 0x10 -#define TIMER_CLEAR_ALARM 0x14 -#define TIMER_ALARM_STATUS 0x18 -#define TIMER_CLEAR_INTERRUPT 0x1c +#include <linux/goldfish.h> +#include <clocksource/timer-goldfish.h> struct goldfish_rtc { void __iomem *base; @@ -41,8 +31,8 @@ static int goldfish_rtc_read_alarm(struct device *dev, rtcdrv = dev_get_drvdata(dev); base = rtcdrv->base; - rtc_alarm_low = readl(base + TIMER_ALARM_LOW); - rtc_alarm_high = readl(base + TIMER_ALARM_HIGH); + rtc_alarm_low = gf_ioread32(base + TIMER_ALARM_LOW); + rtc_alarm_high = gf_ioread32(base + TIMER_ALARM_HIGH); rtc_alarm = (rtc_alarm_high << 32) | rtc_alarm_low; do_div(rtc_alarm, NSEC_PER_SEC); @@ -50,7 +40,7 @@ static int goldfish_rtc_read_alarm(struct device *dev, rtc_time64_to_tm(rtc_alarm, &alrm->time); - if (readl(base + TIMER_ALARM_STATUS)) + if (gf_ioread32(base + TIMER_ALARM_STATUS)) alrm->enabled = 1; else alrm->enabled = 0; @@ -71,18 +61,18 @@ static int goldfish_rtc_set_alarm(struct device *dev, if (alrm->enabled) { rtc_alarm64 = rtc_tm_to_time64(&alrm->time) * NSEC_PER_SEC; - writel((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH); - writel(rtc_alarm64, base + TIMER_ALARM_LOW); - writel(1, base + TIMER_IRQ_ENABLED); + gf_iowrite32((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH); + gf_iowrite32(rtc_alarm64, base + TIMER_ALARM_LOW); + gf_iowrite32(1, base + TIMER_IRQ_ENABLED); } else { /* * if this function was called with enabled=0 * then it could mean that the application is * trying to cancel an ongoing alarm */ - rtc_status_reg = readl(base + TIMER_ALARM_STATUS); + rtc_status_reg = gf_ioread32(base + TIMER_ALARM_STATUS); if (rtc_status_reg) - writel(1, base + TIMER_CLEAR_ALARM); + gf_iowrite32(1, base + TIMER_CLEAR_ALARM); } return 0; @@ -98,9 +88,9 @@ static int goldfish_rtc_alarm_irq_enable(struct device *dev, base = rtcdrv->base; if (enabled) - writel(1, base + TIMER_IRQ_ENABLED); + gf_iowrite32(1, base + TIMER_IRQ_ENABLED); else - writel(0, base + TIMER_IRQ_ENABLED); + gf_iowrite32(0, base + TIMER_IRQ_ENABLED); return 0; } @@ -110,7 +100,7 @@ static irqreturn_t goldfish_rtc_interrupt(int irq, void *dev_id) struct goldfish_rtc *rtcdrv = dev_id; void __iomem *base = rtcdrv->base; - writel(1, base + TIMER_CLEAR_INTERRUPT); + gf_iowrite32(1, base + TIMER_CLEAR_INTERRUPT); rtc_update_irq(rtcdrv->rtc, 1, RTC_IRQF | RTC_AF); @@ -128,8 +118,8 @@ static int goldfish_rtc_read_time(struct device *dev, struct rtc_time *tm) rtcdrv = dev_get_drvdata(dev); base = rtcdrv->base; - time_low = readl(base + TIMER_TIME_LOW); - time_high = readl(base + TIMER_TIME_HIGH); + time_low = gf_ioread32(base + TIMER_TIME_LOW); + time_high = gf_ioread32(base + TIMER_TIME_HIGH); time = (time_high << 32) | time_low; do_div(time, NSEC_PER_SEC); @@ -149,8 +139,8 @@ static int goldfish_rtc_set_time(struct device *dev, struct rtc_time *tm) base = rtcdrv->base; now64 = rtc_tm_to_time64(tm) * NSEC_PER_SEC; - writel((now64 >> 32), base + TIMER_TIME_HIGH); - writel(now64, base + TIMER_TIME_LOW); + gf_iowrite32((now64 >> 32), base + TIMER_TIME_HIGH); + gf_iowrite32(now64, base + TIMER_TIME_LOW); return 0; } diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c index ad13532e92fe..9e8ccb8ed6d6 100644 --- a/drivers/tty/goldfish.c +++ b/drivers/tty/goldfish.c @@ -61,13 +61,13 @@ static void do_rw_io(struct goldfish_tty *qtty, spin_lock_irqsave(&qtty->lock, irq_flags); gf_write_ptr((void *)address, base + GOLDFISH_TTY_REG_DATA_PTR, base + GOLDFISH_TTY_REG_DATA_PTR_HIGH); - __raw_writel(count, base + GOLDFISH_TTY_REG_DATA_LEN); + gf_iowrite32(count, base + GOLDFISH_TTY_REG_DATA_LEN); if (is_write) - __raw_writel(GOLDFISH_TTY_CMD_WRITE_BUFFER, + gf_iowrite32(GOLDFISH_TTY_CMD_WRITE_BUFFER, base + GOLDFISH_TTY_REG_CMD); else - __raw_writel(GOLDFISH_TTY_CMD_READ_BUFFER, + gf_iowrite32(GOLDFISH_TTY_CMD_READ_BUFFER, base + GOLDFISH_TTY_REG_CMD); spin_unlock_irqrestore(&qtty->lock, irq_flags); @@ -142,7 +142,7 @@ static irqreturn_t goldfish_tty_interrupt(int irq, void *dev_id) unsigned char *buf; u32 count; - count = __raw_readl(base + GOLDFISH_TTY_REG_BYTES_READY); + count = gf_ioread32(base + GOLDFISH_TTY_REG_BYTES_READY); if (count == 0) return IRQ_NONE; @@ -159,7 +159,7 @@ static int goldfish_tty_activate(struct tty_port *port, struct tty_struct *tty) { struct goldfish_tty *qtty = container_of(port, struct goldfish_tty, port); - __raw_writel(GOLDFISH_TTY_CMD_INT_ENABLE, qtty->base + GOLDFISH_TTY_REG_CMD); + gf_iowrite32(GOLDFISH_TTY_CMD_INT_ENABLE, qtty->base + GOLDFISH_TTY_REG_CMD); return 0; } @@ -167,7 +167,7 @@ static void goldfish_tty_shutdown(struct tty_port *port) { struct goldfish_tty *qtty = container_of(port, struct goldfish_tty, port); - __raw_writel(GOLDFISH_TTY_CMD_INT_DISABLE, qtty->base + GOLDFISH_TTY_REG_CMD); + gf_iowrite32(GOLDFISH_TTY_CMD_INT_DISABLE, qtty->base + GOLDFISH_TTY_REG_CMD); } static int goldfish_tty_open(struct tty_struct *tty, struct file *filp) @@ -202,7 +202,7 @@ static unsigned int goldfish_tty_chars_in_buffer(struct tty_struct *tty) { struct goldfish_tty *qtty = &goldfish_ttys[tty->index]; void __iomem *base = qtty->base; - return __raw_readl(base + GOLDFISH_TTY_REG_BYTES_READY); + return gf_ioread32(base + GOLDFISH_TTY_REG_BYTES_READY); } static void goldfish_tty_console_write(struct console *co, const char *b, @@ -355,7 +355,7 @@ static int goldfish_tty_probe(struct platform_device *pdev) * on Ranchu emulator (qemu2) returns 1 here and * driver will use physical addresses. */ - qtty->version = __raw_readl(base + GOLDFISH_TTY_REG_VERSION); + qtty->version = gf_ioread32(base + GOLDFISH_TTY_REG_VERSION); /* * Goldfish TTY device on Ranchu emulator (qemu2) @@ -374,7 +374,7 @@ static int goldfish_tty_probe(struct platform_device *pdev) } } - __raw_writel(GOLDFISH_TTY_CMD_INT_DISABLE, base + GOLDFISH_TTY_REG_CMD); + gf_iowrite32(GOLDFISH_TTY_CMD_INT_DISABLE, base + GOLDFISH_TTY_REG_CMD); ret = request_irq(irq, goldfish_tty_interrupt, IRQF_SHARED, "goldfish_tty", qtty); @@ -436,7 +436,7 @@ static int goldfish_tty_remove(struct platform_device *pdev) #ifdef CONFIG_GOLDFISH_TTY_EARLY_CONSOLE static void gf_early_console_putchar(struct uart_port *port, unsigned char ch) { - __raw_writel(ch, port->membase); + gf_iowrite32(ch, port->membase); } static void gf_early_write(struct console *con, const char *s, unsigned int n) diff --git a/include/clocksource/timer-goldfish.h b/include/clocksource/timer-goldfish.h new file mode 100644 index 000000000000..05a3a4f610d6 --- /dev/null +++ b/include/clocksource/timer-goldfish.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * goldfish-timer clocksource + * Registers definition for the goldfish-timer device + */ + +#ifndef _CLOCKSOURCE_TIMER_GOLDFISH_H +#define _CLOCKSOURCE_TIMER_GOLDFISH_H + +/* + * TIMER_TIME_LOW get low bits of current time and update TIMER_TIME_HIGH + * TIMER_TIME_HIGH get high bits of time at last TIMER_TIME_LOW read + * TIMER_ALARM_LOW set low bits of alarm and activate it + * TIMER_ALARM_HIGH set high bits of next alarm + * TIMER_IRQ_ENABLED enable alarm interrupt + * TIMER_CLEAR_ALARM disarm an existing alarm + * TIMER_ALARM_STATUS alarm status (running or not) + * TIMER_CLEAR_INTERRUPT clear interrupt + */ +#define TIMER_TIME_LOW 0x00 +#define TIMER_TIME_HIGH 0x04 +#define TIMER_ALARM_LOW 0x08 +#define TIMER_ALARM_HIGH 0x0c +#define TIMER_IRQ_ENABLED 0x10 +#define TIMER_CLEAR_ALARM 0x14 +#define TIMER_ALARM_STATUS 0x18 +#define TIMER_CLEAR_INTERRUPT 0x1c + +extern int goldfish_timer_init(int irq, void __iomem *base); + +#endif /* _CLOCKSOURCE_TIMER_GOLDFISH_H */ diff --git a/include/linux/goldfish.h b/include/linux/goldfish.h index 12be1601fd84..bcc17f95b906 100644 --- a/include/linux/goldfish.h +++ b/include/linux/goldfish.h @@ -8,14 +8,21 @@ /* Helpers for Goldfish virtual platform */ +#ifndef gf_ioread32 +#define gf_ioread32 ioread32 +#endif +#ifndef gf_iowrite32 +#define gf_iowrite32 iowrite32 +#endif + static inline void gf_write_ptr(const void *ptr, void __iomem *portl, void __iomem *porth) { const unsigned long addr = (unsigned long)ptr; - __raw_writel(lower_32_bits(addr), portl); + gf_iowrite32(lower_32_bits(addr), portl); #ifdef CONFIG_64BIT - __raw_writel(upper_32_bits(addr), porth); + gf_iowrite32(upper_32_bits(addr), porth); #endif } @@ -23,9 +30,9 @@ static inline void gf_write_dma_addr(const dma_addr_t addr, void __iomem *portl, void __iomem *porth) { - __raw_writel(lower_32_bits(addr), portl); + gf_iowrite32(lower_32_bits(addr), portl); #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT - __raw_writel(upper_32_bits(addr), porth); + gf_iowrite32(upper_32_bits(addr), porth); #endif } |