diff options
Diffstat (limited to 'arch/s390/include/asm/setup.h')
| -rw-r--r-- | arch/s390/include/asm/setup.h | 108 |
1 files changed, 17 insertions, 91 deletions
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 3a77aa96d092..7c57ac968bf6 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -10,32 +10,9 @@ #include <uapi/asm/setup.h> #include <linux/build_bug.h> -#define EP_OFFSET 0x10008 -#define EP_STRING "S390EP" #define PARMAREA 0x10400 -#define EARLY_SCCB_OFFSET 0x11000 -#define HEAD_END 0x12000 -/* - * Machine features detected in early.c - */ - -#define MACHINE_FLAG_VM BIT(0) -#define MACHINE_FLAG_KVM BIT(1) -#define MACHINE_FLAG_LPAR BIT(2) -#define MACHINE_FLAG_DIAG9C BIT(3) -#define MACHINE_FLAG_ESOP BIT(4) -#define MACHINE_FLAG_IDTE BIT(5) -#define MACHINE_FLAG_EDAT1 BIT(7) -#define MACHINE_FLAG_EDAT2 BIT(8) -#define MACHINE_FLAG_TOPOLOGY BIT(10) -#define MACHINE_FLAG_TE BIT(11) -#define MACHINE_FLAG_TLB_LC BIT(12) -#define MACHINE_FLAG_VX BIT(13) -#define MACHINE_FLAG_TLB_GUEST BIT(14) -#define MACHINE_FLAG_NX BIT(15) -#define MACHINE_FLAG_GS BIT(16) -#define MACHINE_FLAG_SCC BIT(17) +#define COMMAND_LINE_SIZE CONFIG_COMMAND_LINE_SIZE #define LPP_MAGIC BIT(31) #define LPP_PID_MASK _AC(0xffffffff, UL) @@ -45,28 +22,13 @@ #define STARTUP_NORMAL_OFFSET 0x10000 #define STARTUP_KDUMP_OFFSET 0x10010 -/* Offsets to parameters in kernel/head.S */ - -#define IPL_DEVICE_OFFSET 0x10400 -#define INITRD_START_OFFSET 0x10408 -#define INITRD_SIZE_OFFSET 0x10410 -#define OLDMEM_BASE_OFFSET 0x10418 -#define OLDMEM_SIZE_OFFSET 0x10420 -#define KERNEL_VERSION_OFFSET 0x10428 -#define COMMAND_LINE_OFFSET 0x10480 +#define LEGACY_COMMAND_LINE_SIZE 896 -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/lowcore.h> #include <asm/types.h> -#define IPL_DEVICE (*(unsigned long *) (IPL_DEVICE_OFFSET)) -#define INITRD_START (*(unsigned long *) (INITRD_START_OFFSET)) -#define INITRD_SIZE (*(unsigned long *) (INITRD_SIZE_OFFSET)) -#define OLDMEM_BASE (*(unsigned long *) (OLDMEM_BASE_OFFSET)) -#define OLDMEM_SIZE (*(unsigned long *) (OLDMEM_SIZE_OFFSET)) -#define COMMAND_LINE ((char *) (COMMAND_LINE_OFFSET)) - struct parmarea { unsigned long ipl_device; /* 0x10400 */ unsigned long initrd_start; /* 0x10408 */ @@ -74,10 +36,13 @@ struct parmarea { unsigned long oldmem_base; /* 0x10418 */ unsigned long oldmem_size; /* 0x10420 */ unsigned long kernel_version; /* 0x10428 */ - char pad1[0x10480 - 0x10430]; /* 0x10430 - 0x10480 */ - char command_line[ARCH_COMMAND_LINE_SIZE]; /* 0x10480 */ + unsigned long max_command_line_size; /* 0x10430 */ + char pad1[0x10480-0x10438]; /* 0x10438 - 0x10480 */ + char command_line[COMMAND_LINE_SIZE]; /* 0x10480 */ }; +extern char arch_hw_string[128]; + extern struct parmarea parmarea; extern unsigned int zlib_dfltcc_support; @@ -87,30 +52,12 @@ extern unsigned int zlib_dfltcc_support; #define ZLIB_DFLTCC_INFLATE_ONLY 3 #define ZLIB_DFLTCC_FULL_DEBUG 4 -extern int noexec_disabled; extern unsigned long ident_map_size; +extern unsigned long max_mappable; /* The Write Back bit position in the physaddr is given by the SLPC PCI */ extern unsigned long mio_wb_bit_mask; -#define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) -#define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) -#define MACHINE_IS_LPAR (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR) - -#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C) -#define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP) -#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE) -#define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1) -#define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2) -#define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) -#define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE) -#define MACHINE_HAS_TLB_LC (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC) -#define MACHINE_HAS_VX (S390_lowcore.machine_flags & MACHINE_FLAG_VX) -#define MACHINE_HAS_TLB_GUEST (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_GUEST) -#define MACHINE_HAS_NX (S390_lowcore.machine_flags & MACHINE_FLAG_NX) -#define MACHINE_HAS_GS (S390_lowcore.machine_flags & MACHINE_FLAG_GS) -#define MACHINE_HAS_SCC (S390_lowcore.machine_flags & MACHINE_FLAG_SCC) - /* * Console mode. Override with conmode= */ @@ -130,13 +77,7 @@ extern unsigned int console_irq; #define SET_CONSOLE_VT220 do { console_mode = 4; } while (0) #define SET_CONSOLE_HVC do { console_mode = 5; } while (0) -#ifdef CONFIG_PFAULT -extern int pfault_init(void); -extern void pfault_fini(void); -#else /* CONFIG_PFAULT */ -#define pfault_init() ({-1;}) -#define pfault_fini() do { } while (0) -#endif /* CONFIG_PFAULT */ +void register_early_console(void); #ifdef CONFIG_VMCP void vmcp_cma_reserve(void); @@ -146,35 +87,20 @@ static inline void vmcp_cma_reserve(void) { } void report_user_fault(struct pt_regs *regs, long signr, int is_mm_fault); -void cmma_init(void); -void cmma_init_nodat(void); - extern void (*_machine_restart)(char *command); extern void (*_machine_halt)(void); extern void (*_machine_power_off)(void); -extern unsigned long __kaslr_offset; -static inline unsigned long kaslr_offset(void) -{ - return __kaslr_offset; -} - -extern int is_full_image; +struct oldmem_data { + unsigned long start; + unsigned long size; +}; +extern struct oldmem_data oldmem_data; -static inline u32 gen_lpswe(unsigned long addr) +static __always_inline u32 gen_lpswe(unsigned long addr) { BUILD_BUG_ON(addr > 0xfff); return 0xb2b20000 | addr; } - -#else /* __ASSEMBLY__ */ - -#define IPL_DEVICE (IPL_DEVICE_OFFSET) -#define INITRD_START (INITRD_START_OFFSET) -#define INITRD_SIZE (INITRD_SIZE_OFFSET) -#define OLDMEM_BASE (OLDMEM_BASE_OFFSET) -#define OLDMEM_SIZE (OLDMEM_SIZE_OFFSET) -#define COMMAND_LINE (COMMAND_LINE_OFFSET) - -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_S390_SETUP_H */ |