From e83e31f41a623262714d9c56dde7dfc51ac078f7 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 12 May 2008 15:43:39 +0200 Subject: x86: compressed/head_64.S cleanup - use predefined flags from processor-flags.h We should better use already defined flags from processor-flags.h instead of defining own ones [>>> object code check >>>] original md5sum: 129f24be6df396fb7d8bf998c01fc716 arch/x86/boot/compressed/head_64.o text data bss dec hex filename 705 48 45056 45809 b2f1 arch/x86/boot/compressed/head_64.o patched md5sum: 129f24be6df396fb7d8bf998c01fc716 arch/x86/boot/compressed/head_64-new.o text data bss dec hex filename 705 48 45056 45809 b2f1 arch/x86/boot/compressed/head_64-new.o [<<< object code check <<<] Signed-off-by: Cyrill Gorcunov Acked-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/boot/compressed/head_64.S | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'arch/x86/boot/compressed') diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index d8819efac81..1d5dff4123e 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -30,6 +30,7 @@ #include #include #include +#include #include .section ".text.head" @@ -109,7 +110,7 @@ startup_32: /* Enable PAE mode */ xorl %eax, %eax - orl $(1 << 5), %eax + orl $(X86_CR4_PAE), %eax movl %eax, %cr4 /* @@ -170,7 +171,7 @@ startup_32: pushl %eax /* Enter paged protected Mode, activating Long Mode */ - movl $0x80000001, %eax /* Enable Paging and Protected mode */ + movl $(X86_CR0_PG | X86_CR0_PE), %eax /* Enable Paging and Protected mode */ movl %eax, %cr0 /* Jump from 32bit compatibility mode into 64bit mode. */ -- cgit v1.2.3-70-g09d2 From 23968f71b26ece45ed52895d41b0208b90a516e7 Mon Sep 17 00:00:00 2001 From: Kristian Høgsberg Date: Thu, 29 May 2008 18:31:14 -0400 Subject: x86: Use structs instead of hardcoded offsets in x86 boot decompressor. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Replace hardcoded offsets embedded in macros in arch/x86/boot/compressed with proper structure references. Signed-off-by: Kristian Høgsberg Signed-off-by: H. Peter Anvin --- arch/x86/boot/compressed/misc.c | 26 +++++++++++--------------- 1 file changed, 11 insertions(+), 15 deletions(-) (limited to 'arch/x86/boot/compressed') diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 90456cee47c..74ed3c075ee 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -30,6 +30,7 @@ #include #include #include +#include /* WARNING!! * This code is compiled with -fPIC and it is relocated dynamically @@ -187,13 +188,7 @@ static void gzip_release(void **); /* * This is set up by the setup-routine at boot-time */ -static unsigned char *real_mode; /* Pointer to real-mode data */ - -#define RM_EXT_MEM_K (*(unsigned short *)(real_mode + 0x2)) -#ifndef STANDARD_MEMORY_BIOS_CALL -#define RM_ALT_MEM_K (*(unsigned long *)(real_mode + 0x1e0)) -#endif -#define RM_SCREEN_INFO (*(struct screen_info *)(real_mode+0)) +static struct boot_params *real_mode; /* Pointer to real-mode data */ extern unsigned char input_data[]; extern int input_len; @@ -276,12 +271,13 @@ static void putstr(const char *s) char c; #ifdef CONFIG_X86_32 - if (RM_SCREEN_INFO.orig_video_mode == 0 && lines == 0 && cols == 0) + if (real_mode->screen_info.orig_video_mode == 0 && + lines == 0 && cols == 0) return; #endif - x = RM_SCREEN_INFO.orig_x; - y = RM_SCREEN_INFO.orig_y; + x = real_mode->screen_info.orig_x; + y = real_mode->screen_info.orig_y; while ((c = *s++) != '\0') { if (c == '\n') { @@ -302,8 +298,8 @@ static void putstr(const char *s) } } - RM_SCREEN_INFO.orig_x = x; - RM_SCREEN_INFO.orig_y = y; + real_mode->screen_info.orig_x = x; + real_mode->screen_info.orig_y = y; pos = (x + cols * y) * 2; /* Update cursor position */ outb(14, vidport); @@ -430,7 +426,7 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, { real_mode = rmode; - if (RM_SCREEN_INFO.orig_video_mode == 7) { + if (real_mode->screen_info.orig_video_mode == 7) { vidmem = (char *) 0xb0000; vidport = 0x3b4; } else { @@ -438,8 +434,8 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, vidport = 0x3d4; } - lines = RM_SCREEN_INFO.orig_video_lines; - cols = RM_SCREEN_INFO.orig_video_cols; + lines = real_mode->screen_info.orig_video_lines; + cols = real_mode->screen_info.orig_video_cols; window = output; /* Output buffer (Normally at 1M) */ free_mem_ptr = heap; /* Heap */ -- cgit v1.2.3-70-g09d2 From 3b6b9293d0f8e1b11630102013ca2a1dcef17d44 Mon Sep 17 00:00:00 2001 From: Kristian Høgsberg Date: Thu, 29 May 2008 18:31:15 -0400 Subject: x86: Honor 'quiet' command line option in real mode boot decompressor. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch lets the early real mode code look for the 'quiet' option on the kernel command line and pass a loadflag to the decompressor. When this flag is set, we suppress the "Decompressing Linux... Parsing ELF... done." messages. Signed-off-by: Kristian Høgsberg Signed-off-by: H. Peter Anvin --- arch/x86/boot/compressed/misc.c | 13 ++++++++++--- arch/x86/boot/main.c | 4 ++++ include/asm-x86/bootparam.h | 1 + 3 files changed, 15 insertions(+), 3 deletions(-) (limited to 'arch/x86/boot/compressed') diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 74ed3c075ee..d10e7274e1f 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -189,6 +189,7 @@ static void gzip_release(void **); * This is set up by the setup-routine at boot-time */ static struct boot_params *real_mode; /* Pointer to real-mode data */ +static int quiet; extern unsigned char input_data[]; extern int input_len; @@ -391,7 +392,8 @@ static void parse_elf(void *output) return; } - putstr("Parsing ELF... "); + if (!quiet) + putstr("Parsing ELF... "); phdrs = malloc(sizeof(*phdrs) * ehdr.e_phnum); if (!phdrs) @@ -426,6 +428,9 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, { real_mode = rmode; + if (real_mode->hdr.loadflags & QUIET_FLAG) + quiet = 1; + if (real_mode->screen_info.orig_video_mode == 7) { vidmem = (char *) 0xb0000; vidport = 0x3b4; @@ -461,9 +466,11 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, #endif makecrc(); - putstr("\nDecompressing Linux... "); + if (!quiet) + putstr("\nDecompressing Linux... "); gunzip(); parse_elf(output); - putstr("done.\nBooting the kernel.\n"); + if (!quiet) + putstr("done.\nBooting the kernel.\n"); return; } diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c index 77569a4a3be..2296164b54d 100644 --- a/arch/x86/boot/main.c +++ b/arch/x86/boot/main.c @@ -165,6 +165,10 @@ void main(void) /* Set the video mode */ set_video(); + /* Parse command line for 'quiet' and pass it to decompressor. */ + if (cmdline_find_option_bool("quiet")) + boot_params.hdr.loadflags |= QUIET_FLAG; + /* Do the last things and invoke protected mode */ go_to_protected_mode(); } diff --git a/include/asm-x86/bootparam.h b/include/asm-x86/bootparam.h index f62f4733606..3e36ba8f288 100644 --- a/include/asm-x86/bootparam.h +++ b/include/asm-x86/bootparam.h @@ -40,6 +40,7 @@ struct setup_header { __u8 type_of_loader; __u8 loadflags; #define LOADED_HIGH (1<<0) +#define QUIET_FLAG (1<<5) #define KEEP_SEGMENTS (1<<6) #define CAN_USE_HEAP (1<<7) __u16 setup_move_size; -- cgit v1.2.3-70-g09d2 From d49c4288407b2ffa8cab270cb5bc6882abe969f6 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 8 Jun 2008 18:31:54 -0700 Subject: x86: make generic arch support NUMAQ ... so it could fall back to normal numa and we'd reduce the impact of the NUMAQ subarch. NUMAQ depends on GENERICARCH also decouple genericarch numa from acpi. also make it fall back to bigsmp if apicid > 8. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 74 ++++++++++++++--------------- arch/x86/Makefile | 18 ------- arch/x86/boot/compressed/misc.c | 4 -- arch/x86/kernel/acpi/boot.c | 4 +- arch/x86/kernel/io_apic_32.c | 9 ++-- arch/x86/kernel/mpparse.c | 73 ++++++++++++++++++++++++++-- arch/x86/kernel/numaq_32.c | 2 - arch/x86/kernel/summit_32.c | 2 + arch/x86/mach-es7000/Makefile | 1 - arch/x86/mach-es7000/es7000plat.c | 47 ------------------ arch/x86/mach-generic/Makefile | 10 ++-- arch/x86/mach-generic/bigsmp.c | 2 - arch/x86/mach-generic/numaq.c | 41 ++++++++++++++++ arch/x86/mach-generic/probe.c | 15 +++++- arch/x86/pci/Makefile_32 | 5 +- arch/x86/pci/numa.c | 29 ++--------- drivers/acpi/Kconfig | 1 - include/asm-x86/mach-generic/mach_mpparse.h | 7 ++- include/asm-x86/mach-numaq/mach_apic.h | 39 ++++----------- include/asm-x86/mach-numaq/mach_mpparse.h | 11 +---- include/asm-x86/mmzone_32.h | 18 ++----- include/asm-x86/mpspec.h | 6 +++ include/asm-x86/numaq.h | 5 +- include/asm-x86/srat.h | 12 +++-- 24 files changed, 219 insertions(+), 216 deletions(-) create mode 100644 arch/x86/mach-generic/numaq.c (limited to 'arch/x86/boot/compressed') diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9e976150442..8b89810fe3f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -268,36 +268,6 @@ config X86_VOYAGER If you do not specifically know you have a Voyager based machine, say N here, otherwise the kernel you build will not be bootable. -config X86_NUMAQ - bool "NUMAQ (IBM/Sequent)" - depends on SMP && X86_32 - select NUMA - help - This option is used for getting Linux to run on a (IBM/Sequent) NUMA - multiquad box. This changes the way that processors are bootstrapped, - and uses Clustered Logical APIC addressing mode instead of Flat Logical. - You will need a new lynxer.elf file to flash your firmware with - send - email to . - -config X86_SUMMIT - bool "Summit/EXA (IBM x440)" - depends on X86_32 && SMP - help - This option is needed for IBM systems that use the Summit/EXA chipset. - In particular, it is needed for the x440. - - If you don't have one of these computers, you should say N here. - If you want to build a NUMA kernel, you must select ACPI. - -config X86_BIGSMP - bool "Support for other sub-arch SMP systems with more than 8 CPUs" - depends on X86_32 && SMP - help - This option is needed for the systems that have more than 8 CPUs - and if the system is not of any sub-arch type above. - - If you don't have such a system, you should say N here. - config X86_VISWS bool "SGI 320/540 (Visual Workstation)" depends on X86_32 @@ -311,12 +281,33 @@ config X86_VISWS and vice versa. See for details. config X86_GENERICARCH - bool "Generic architecture (Summit, bigsmp, ES7000, default)" + bool "Generic architecture" depends on X86_32 help - This option compiles in the Summit, bigsmp, ES7000, default subarchitectures. - It is intended for a generic binary kernel. - If you want a NUMA kernel, select ACPI. We need SRAT for NUMA. + This option compiles in the NUMAQ, Summit, bigsmp, ES7000, default + subarchitectures. It is intended for a generic binary kernel. + if you select them all, kernel will probe it one by one. and will + fallback to default. + +if X86_GENERICARCH + +config X86_NUMAQ + bool "NUMAQ (IBM/Sequent)" + depends on SMP && X86_32 + select NUMA + help + This option is used for getting Linux to run on a NUMAQ (IBM/Sequent) + NUMA multiquad box. This changes the way that processors are + bootstrapped, and uses Clustered Logical APIC addressing mode instead + of Flat Logical. You will need a new lynxer.elf file to flash your + firmware with - send email to . + +config X86_SUMMIT + bool "Summit/EXA (IBM x440)" + depends on X86_32 && SMP + help + This option is needed for IBM systems that use the Summit/EXA chipset. + In particular, it is needed for the x440. config X86_ES7000 bool "Support for Unisys ES7000 IA32 series" @@ -324,8 +315,15 @@ config X86_ES7000 help Support for Unisys ES7000 systems. Say 'Y' here if this kernel is supposed to run on an IA32-based Unisys ES7000 system. - Only choose this option if you have such a system, otherwise you - should say N here. + +config X86_BIGSMP + bool "Support for big SMP systems with more than 8 CPUs" + depends on X86_32 && SMP + help + This option is needed for the systems that have more than 8 CPUs + and if the system is not of any sub-arch type above. + +endif config X86_RDC321X bool "RDC R-321x SoC" @@ -913,9 +911,9 @@ config X86_PAE config NUMA bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)" depends on SMP - depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL) + depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || X86_GENERICARCH || X86_SUMMIT && ACPI) && EXPERIMENTAL) default n if X86_PC - default y if (X86_NUMAQ || X86_SUMMIT) + default y if (X86_NUMAQ || X86_SUMMIT || X86_GENERICARCH) help Enable NUMA (Non Uniform Memory Access) support. The kernel will try to allocate memory used by a CPU on the diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 30b046bcccb..d6650131659 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -117,29 +117,11 @@ mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager/ mflags-$(CONFIG_X86_VISWS) := -Iinclude/asm-x86/mach-visws mcore-$(CONFIG_X86_VISWS) := arch/x86/mach-visws/ -# NUMAQ subarch support -mflags-$(CONFIG_X86_NUMAQ) := -Iinclude/asm-x86/mach-numaq -mcore-$(CONFIG_X86_NUMAQ) := arch/x86/mach-default/ - -# BIGSMP subarch support -mflags-$(CONFIG_X86_BIGSMP) := -Iinclude/asm-x86/mach-bigsmp -mcore-$(CONFIG_X86_BIGSMP) := arch/x86/mach-default/ - -#Summit subarch support -mflags-$(CONFIG_X86_SUMMIT) := -Iinclude/asm-x86/mach-summit -mcore-$(CONFIG_X86_SUMMIT) := arch/x86/mach-default/ - # generic subarchitecture mflags-$(CONFIG_X86_GENERICARCH):= -Iinclude/asm-x86/mach-generic fcore-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/ mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default/ - -# ES7000 subarch support -mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-x86/mach-es7000 -fcore-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/ -mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default/ - # RDC R-321x subarch support mflags-$(CONFIG_X86_RDC321X) := -Iinclude/asm-x86/mach-rdc321x mcore-$(CONFIG_X86_RDC321X) := arch/x86/mach-default/ diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 90456cee47c..ba0be6a25ff 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -221,10 +221,6 @@ static char *vidmem; static int vidport; static int lines, cols; -#ifdef CONFIG_X86_NUMAQ -void *xquad_portio; -#endif - #include "../../../../lib/inflate.c" static void *malloc(int size) diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index f226bdc19f6..7dc2130046d 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -848,7 +848,7 @@ static int __init acpi_parse_madt_lapic_entries(void) #ifdef CONFIG_X86_IO_APIC #define MP_ISA_BUS 0 -#if defined(CONFIG_X86_ES7000) || defined(CONFIG_X86_GENERICARCH) +#ifdef CONFIG_X86_ES7000 extern int es7000_plat; #endif @@ -997,7 +997,7 @@ void __init mp_config_acpi_legacy_irqs(void) set_bit(MP_ISA_BUS, mp_bus_not_pci); Dprintk("Bus #%d is ISA\n", MP_ISA_BUS); -#if defined(CONFIG_X86_ES7000) || defined(CONFIG_X86_GENERICARCH) +#ifdef CONFIG_X86_ES7000 /* * Older generations of ES7000 have no legacy identity mappings */ diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index 2285b81ad1d..97e62a01f1e 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -1722,7 +1722,6 @@ void disable_IO_APIC(void) * by Matt Domsch Tue Dec 21 12:25:05 CST 1999 */ -#ifndef CONFIG_X86_NUMAQ static void __init setup_ioapic_ids_from_mpc(void) { union IO_APIC_reg_00 reg_00; @@ -1732,6 +1731,11 @@ static void __init setup_ioapic_ids_from_mpc(void) unsigned char old_id; unsigned long flags; +#ifdef CONFIG_X86_NUMAQ + if (found_numaq) + return; +#endif + /* * Don't check I/O APIC IDs for xAPIC systems. They have * no meaning without the serial APIC bus. @@ -1828,9 +1832,6 @@ static void __init setup_ioapic_ids_from_mpc(void) apic_printk(APIC_VERBOSE, " ok.\n"); } } -#else -static void __init setup_ioapic_ids_from_mpc(void) { } -#endif int no_timer_check __initdata; diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index 7591325e616..1cc7a4b8643 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -49,15 +49,73 @@ static int __init mpf_checksum(unsigned char *mp, int len) } #ifdef CONFIG_X86_NUMAQ +int found_numaq; /* * Have to match translation table entries to main table entries by counter * hence the mpc_record variable .... can't see a less disgusting way of * doing this .... */ +struct mpc_config_translation { + unsigned char mpc_type; + unsigned char trans_len; + unsigned char trans_type; + unsigned char trans_quad; + unsigned char trans_global; + unsigned char trans_local; + unsigned short trans_reserved; +}; + static int mpc_record; static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] __cpuinitdata; + +static inline int generate_logical_apicid(int quad, int phys_apicid) +{ + return (quad << 4) + (phys_apicid ? phys_apicid << 1 : 1); +} + + +static inline int mpc_apic_id(struct mpc_config_processor *m, + struct mpc_config_translation *translation_record) +{ + int quad = translation_record->trans_quad; + int logical_apicid = generate_logical_apicid(quad, m->mpc_apicid); + + printk(KERN_DEBUG "Processor #%d %u:%u APIC version %d (quad %d, apic %d)\n", + m->mpc_apicid, + (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8, + (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, + m->mpc_apicver, quad, logical_apicid); + return logical_apicid; +} + +int mp_bus_id_to_node[MAX_MP_BUSSES]; + +int mp_bus_id_to_local[MAX_MP_BUSSES]; + +static void mpc_oem_bus_info(struct mpc_config_bus *m, char *name, + struct mpc_config_translation *translation) +{ + int quad = translation->trans_quad; + int local = translation->trans_local; + + mp_bus_id_to_node[m->mpc_busid] = quad; + mp_bus_id_to_local[m->mpc_busid] = local; + printk(KERN_INFO "Bus #%d is %s (node %d)\n", + m->mpc_busid, name, quad); +} + +int quad_local_to_mp_bus_id [NR_CPUS/4][4]; +static void mpc_oem_pci_bus(struct mpc_config_bus *m, + struct mpc_config_translation *translation) +{ + int quad = translation->trans_quad; + int local = translation->trans_local; + + quad_local_to_mp_bus_id[quad][local] = m->mpc_busid; +} + #endif static void __cpuinit MP_processor_info(struct mpc_config_processor *m) @@ -321,11 +379,11 @@ static void __init smp_read_mpc_oem(struct mp_config_oemtable *oemtable, } } -static inline void mps_oem_check(struct mp_config_table *mpc, char *oem, +void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid) { if (strncmp(oem, "IBM NUMA", 8)) - printk("Warning! May not be a NUMA-Q system!\n"); + printk("Warning! Not a NUMA-Q system!\n"); else found_numaq = 1; @@ -388,7 +446,16 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early) return 0; #ifdef CONFIG_X86_32 - mps_oem_check(mpc, oem, str); + /* + * need to make sure summit and es7000's mps_oem_check is safe to be + * called early via genericarch 's mps_oem_check + */ + if (early) { +#ifdef CONFIG_X86_NUMAQ + numaq_mps_oem_check(mpc, oem, str); +#endif + } else + mps_oem_check(mpc, oem, str); #endif /* save the local APIC address, it might be non-default */ diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c index 27b908254fb..f0f1de1c4a1 100644 --- a/arch/x86/kernel/numaq_32.c +++ b/arch/x86/kernel/numaq_32.c @@ -36,8 +36,6 @@ #define MB_TO_PAGES(addr) ((addr) << (20 - PAGE_SHIFT)) -int found_numaq; - /* * Function: smp_dump_qct() * diff --git a/arch/x86/kernel/summit_32.c b/arch/x86/kernel/summit_32.c index ae751094eba..d67ce5f044b 100644 --- a/arch/x86/kernel/summit_32.c +++ b/arch/x86/kernel/summit_32.c @@ -36,7 +36,9 @@ static struct rio_table_hdr *rio_table_hdr __initdata; static struct scal_detail *scal_devs[MAX_NUMNODES] __initdata; static struct rio_detail *rio_devs[MAX_NUMNODES*4] __initdata; +#ifndef CONFIG_X86_NUMAQ static int mp_bus_id_to_node[MAX_MP_BUSSES] __initdata; +#endif static int __init setup_pci_node_map_for_wpeg(int wpeg_num, int last_bus) { diff --git a/arch/x86/mach-es7000/Makefile b/arch/x86/mach-es7000/Makefile index 69dd4da218d..3ef8b43b62f 100644 --- a/arch/x86/mach-es7000/Makefile +++ b/arch/x86/mach-es7000/Makefile @@ -3,4 +3,3 @@ # obj-$(CONFIG_X86_ES7000) := es7000plat.o -obj-$(CONFIG_X86_GENERICARCH) := es7000plat.o diff --git a/arch/x86/mach-es7000/es7000plat.c b/arch/x86/mach-es7000/es7000plat.c index a41c77a4722..4354ce80488 100644 --- a/arch/x86/mach-es7000/es7000plat.c +++ b/arch/x86/mach-es7000/es7000plat.c @@ -177,53 +177,6 @@ find_unisys_acpi_oem_table(unsigned long *oem_addr) } #endif -/* - * This file also gets compiled if CONFIG_X86_GENERICARCH is set. Generic - * arch already has got following function definitions (asm-generic/es7000.c) - * hence no need to define these for that case. - */ -#ifndef CONFIG_X86_GENERICARCH -void es7000_sw_apic(void); -void __init enable_apic_mode(void) -{ - es7000_sw_apic(); - return; -} - -__init int mps_oem_check(struct mp_config_table *mpc, char *oem, - char *productid) -{ - if (mpc->mpc_oemptr) { - struct mp_config_oemtable *oem_table = - (struct mp_config_oemtable *)mpc->mpc_oemptr; - if (!strncmp(oem, "UNISYS", 6)) - return parse_unisys_oem((char *)oem_table); - } - return 0; -} -#ifdef CONFIG_ACPI -/* Hook from generic ACPI tables.c */ -int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) -{ - unsigned long oem_addr; - if (!find_unisys_acpi_oem_table(&oem_addr)) { - if (es7000_check_dsdt()) - return parse_unisys_oem((char *)oem_addr); - else { - setup_unisys(); - return 1; - } - } - return 0; -} -#else -int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) -{ - return 0; -} -#endif -#endif /* COFIG_X86_GENERICARCH */ - static void es7000_spin(int n) { diff --git a/arch/x86/mach-generic/Makefile b/arch/x86/mach-generic/Makefile index 19d6d407737..0dbd7803a1d 100644 --- a/arch/x86/mach-generic/Makefile +++ b/arch/x86/mach-generic/Makefile @@ -2,7 +2,11 @@ # Makefile for the generic architecture # -EXTRA_CFLAGS := -Iarch/x86/kernel +EXTRA_CFLAGS := -Iarch/x86/kernel -obj-y := probe.o summit.o bigsmp.o es7000.o default.o -obj-y += ../../x86/mach-es7000/ +obj-y := probe.o default.o +obj-$(CONFIG_X86_NUMAQ) += numaq.o +obj-$(CONFIG_X86_SUMMIT) += summit.o +obj-$(CONFIG_X86_BIGSMP) += bigsmp.o +obj-$(CONFIG_X86_ES7000) += es7000.o +obj-$(CONFIG_X86_ES7000) += ../../x86/mach-es7000/ diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c index 2a243019aca..59d77171455 100644 --- a/arch/x86/mach-generic/bigsmp.c +++ b/arch/x86/mach-generic/bigsmp.c @@ -23,10 +23,8 @@ static int dmi_bigsmp; /* can be set by dmi scanners */ static int hp_ht_bigsmp(const struct dmi_system_id *d) { -#ifdef CONFIG_X86_GENERICARCH printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident); dmi_bigsmp = 1; -#endif return 0; } diff --git a/arch/x86/mach-generic/numaq.c b/arch/x86/mach-generic/numaq.c new file mode 100644 index 00000000000..8091e68764c --- /dev/null +++ b/arch/x86/mach-generic/numaq.c @@ -0,0 +1,41 @@ +/* + * APIC driver for the IBM NUMAQ chipset. + */ +#define APIC_DEFINITION 1 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static int mps_oem_check(struct mp_config_table *mpc, char *oem, + char *productid) +{ + numaq_mps_oem_check(mpc, oem, productid); + return found_numaq; +} + +static int probe_numaq(void) +{ + /* already know from get_memcfg_numaq() */ + return found_numaq; +} + +/* Hook from generic ACPI tables.c */ +static int acpi_madt_oem_check(char *oem_id, char *oem_table_id) +{ + return 0; +} + +struct genapic apic_numaq = APIC_INIT("NUMAQ", probe_numaq); diff --git a/arch/x86/mach-generic/probe.c b/arch/x86/mach-generic/probe.c index c5ae751b994..ba18dec4855 100644 --- a/arch/x86/mach-generic/probe.c +++ b/arch/x86/mach-generic/probe.c @@ -16,6 +16,7 @@ #include #include +extern struct genapic apic_numaq; extern struct genapic apic_summit; extern struct genapic apic_bigsmp; extern struct genapic apic_es7000; @@ -24,9 +25,18 @@ extern struct genapic apic_default; struct genapic *genapic = &apic_default; static struct genapic *apic_probe[] __initdata = { +#ifdef CONFIG_X86_NUMAQ + &apic_numaq, +#endif +#ifdef CONFIG_X86_SUMMIT &apic_summit, +#endif +#ifdef CONFIG_X86_BIGSMP &apic_bigsmp, +#endif +#ifdef CONFIG_X86_ES7000 &apic_es7000, +#endif &apic_default, /* must be last */ NULL, }; @@ -54,6 +64,7 @@ early_param("apic", parse_apic); void __init generic_bigsmp_probe(void) { +#if CONFIG_X86_BIGSMP /* * This routine is used to switch to bigsmp mode when * - There is no apic= option specified by the user @@ -67,6 +78,7 @@ void __init generic_bigsmp_probe(void) printk(KERN_INFO "Overriding APIC driver with %s\n", genapic->name); } +#endif } void __init generic_apic_probe(void) @@ -88,7 +100,8 @@ void __init generic_apic_probe(void) /* These functions can switch the APIC even after the initial ->probe() */ -int __init mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid) +int __init mps_oem_check(struct mp_config_table *mpc, char *oem, + char *productid) { int i; for (i = 0; apic_probe[i]; ++i) { diff --git a/arch/x86/pci/Makefile_32 b/arch/x86/pci/Makefile_32 index 89ec35d00ef..962d96c0495 100644 --- a/arch/x86/pci/Makefile_32 +++ b/arch/x86/pci/Makefile_32 @@ -13,10 +13,11 @@ pci-y := fixup.o pci-$(CONFIG_ACPI) += acpi.o pci-y += legacy.o irq.o -# Careful: VISWS and NUMAQ overrule the pci-y above. The colons are +# Careful: VISWS overrule the pci-y above. The colons are # therefor correct. This needs a proper fix by distangling the code. pci-$(CONFIG_X86_VISWS) := visws.o fixup.o -pci-$(CONFIG_X86_NUMAQ) := numa.o irq.o + +pci-$(CONFIG_X86_NUMAQ) += numa.o # Necessary for NUMAQ as well pci-$(CONFIG_NUMA) += mp_bus_to_node.o diff --git a/arch/x86/pci/numa.c b/arch/x86/pci/numa.c index d9afbae5092..99f1ecd485b 100644 --- a/arch/x86/pci/numa.c +++ b/arch/x86/pci/numa.c @@ -6,45 +6,21 @@ #include #include #include +#include #include "pci.h" #define XQUAD_PORTIO_BASE 0xfe400000 #define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */ -int mp_bus_id_to_node[MAX_MP_BUSSES]; #define BUS2QUAD(global) (mp_bus_id_to_node[global]) -int mp_bus_id_to_local[MAX_MP_BUSSES]; #define BUS2LOCAL(global) (mp_bus_id_to_local[global]) -void mpc_oem_bus_info(struct mpc_config_bus *m, char *name, - struct mpc_config_translation *translation) -{ - int quad = translation->trans_quad; - int local = translation->trans_local; - - mp_bus_id_to_node[m->mpc_busid] = quad; - mp_bus_id_to_local[m->mpc_busid] = local; - printk(KERN_INFO "Bus #%d is %s (node %d)\n", - m->mpc_busid, name, quad); -} - -int quad_local_to_mp_bus_id [NR_CPUS/4][4]; #define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local]) -void mpc_oem_pci_bus(struct mpc_config_bus *m, - struct mpc_config_translation *translation) -{ - int quad = translation->trans_quad; - int local = translation->trans_local; - - quad_local_to_mp_bus_id[quad][local] = m->mpc_busid; -} /* Where the IO area was mapped on multiquad, always 0 otherwise */ void *xquad_portio; -#ifdef CONFIG_X86_NUMAQ EXPORT_SYMBOL(xquad_portio); -#endif #define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port) @@ -179,6 +155,9 @@ static int __init pci_numa_init(void) { int quad; + if (!found_numaq) + return 0; + raw_pci_ops = &pci_direct_conf1_mq; if (pcibios_scanned++) diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index c52fca83326..860f15f36ce 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -4,7 +4,6 @@ menuconfig ACPI bool "ACPI (Advanced Configuration and Power Interface) Support" - depends on !X86_NUMAQ depends on !X86_VISWS depends on !IA64_HP_SIM depends on IA64 || X86 diff --git a/include/asm-x86/mach-generic/mach_mpparse.h b/include/asm-x86/mach-generic/mach_mpparse.h index 0d0b5ba2e9d..586cadbf378 100644 --- a/include/asm-x86/mach-generic/mach_mpparse.h +++ b/include/asm-x86/mach-generic/mach_mpparse.h @@ -1,7 +1,10 @@ #ifndef _MACH_MPPARSE_H #define _MACH_MPPARSE_H 1 -int mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid); -int acpi_madt_oem_check(char *oem_id, char *oem_table_id); + +extern int mps_oem_check(struct mp_config_table *mpc, char *oem, + char *productid); + +extern int acpi_madt_oem_check(char *oem_id, char *oem_table_id); #endif diff --git a/include/asm-x86/mach-numaq/mach_apic.h b/include/asm-x86/mach-numaq/mach_apic.h index 75a56e5afbe..d802465e026 100644 --- a/include/asm-x86/mach-numaq/mach_apic.h +++ b/include/asm-x86/mach-numaq/mach_apic.h @@ -20,8 +20,14 @@ static inline cpumask_t target_cpus(void) #define INT_DELIVERY_MODE dest_LowestPrio #define INT_DEST_MODE 0 /* physical delivery on LOCAL quad */ -#define check_apicid_used(bitmap, apicid) physid_isset(apicid, bitmap) -#define check_apicid_present(bit) physid_isset(bit, phys_cpu_present_map) +static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) +{ + return physid_isset(apicid, bitmap); +} +static inline unsigned long check_apicid_present(int bit) +{ + return physid_isset(bit, phys_cpu_present_map); +} #define apicid_cluster(apicid) (apicid & 0xF0) static inline int apic_id_registered(void) @@ -77,11 +83,6 @@ static inline int cpu_present_to_apicid(int mps_cpu) return BAD_APICID; } -static inline int generate_logical_apicid(int quad, int phys_apicid) -{ - return (quad << 4) + (phys_apicid ? phys_apicid << 1 : 1); -} - static inline int apicid_to_node(int logical_apicid) { return logical_apicid >> 4; @@ -95,30 +96,6 @@ static inline physid_mask_t apicid_to_cpu_present(int logical_apicid) return physid_mask_of_physid(cpu + 4*node); } -struct mpc_config_translation { - unsigned char mpc_type; - unsigned char trans_len; - unsigned char trans_type; - unsigned char trans_quad; - unsigned char trans_global; - unsigned char trans_local; - unsigned short trans_reserved; -}; - -static inline int mpc_apic_id(struct mpc_config_processor *m, - struct mpc_config_translation *translation_record) -{ - int quad = translation_record->trans_quad; - int logical_apicid = generate_logical_apicid(quad, m->mpc_apicid); - - printk("Processor #%d %u:%u APIC version %d (quad %d, apic %d)\n", - m->mpc_apicid, - (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8, - (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, - m->mpc_apicver, quad, logical_apicid); - return logical_apicid; -} - extern void *xquad_portio; static inline void setup_portio_remap(void) diff --git a/include/asm-x86/mach-numaq/mach_mpparse.h b/include/asm-x86/mach-numaq/mach_mpparse.h index 459b1240118..626aef6b155 100644 --- a/include/asm-x86/mach-numaq/mach_mpparse.h +++ b/include/asm-x86/mach-numaq/mach_mpparse.h @@ -1,14 +1,7 @@ #ifndef __ASM_MACH_MPPARSE_H #define __ASM_MACH_MPPARSE_H -extern void mpc_oem_bus_info(struct mpc_config_bus *m, char *name, - struct mpc_config_translation *translation); -extern void mpc_oem_pci_bus(struct mpc_config_bus *m, - struct mpc_config_translation *translation); - -/* Hook from generic ACPI tables.c */ -static inline void acpi_madt_oem_check(char *oem_id, char *oem_table_id) -{ -} +extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem, + char *productid); #endif /* __ASM_MACH_MPPARSE_H */ diff --git a/include/asm-x86/mmzone_32.h b/include/asm-x86/mmzone_32.h index ab0012888c4..b2298a22756 100644 --- a/include/asm-x86/mmzone_32.h +++ b/include/asm-x86/mmzone_32.h @@ -12,11 +12,9 @@ extern struct pglist_data *node_data[]; #define NODE_DATA(nid) (node_data[nid]) -#ifdef CONFIG_X86_NUMAQ - #include -#elif defined(CONFIG_ACPI_SRAT)/* summit or generic arch */ - #include -#endif +#include +/* summit or generic arch */ +#include extern int get_memcfg_numa_flat(void); /* @@ -26,14 +24,11 @@ extern int get_memcfg_numa_flat(void); */ static inline void get_memcfg_numa(void) { -#ifdef CONFIG_X86_NUMAQ + if (get_memcfg_numaq()) return; -#elif defined(CONFIG_ACPI_SRAT) if (get_memcfg_from_srat()) return; -#endif - get_memcfg_numa_flat(); } @@ -42,7 +37,6 @@ extern int early_pfn_to_nid(unsigned long pfn); #else /* !CONFIG_NUMA */ #define get_memcfg_numa get_memcfg_numa_flat -#define get_zholes_size(n) (0) #endif /* CONFIG_NUMA */ @@ -83,9 +77,6 @@ static inline int pfn_to_nid(unsigned long pfn) __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \ }) -#ifdef CONFIG_X86_NUMAQ /* we have contiguous memory on NUMA-Q */ -#define pfn_valid(pfn) ((pfn) < num_physpages) -#else static inline int pfn_valid(int pfn) { int nid = pfn_to_nid(pfn); @@ -94,7 +85,6 @@ static inline int pfn_valid(int pfn) return (pfn < node_end_pfn(nid)); return 0; } -#endif /* CONFIG_X86_NUMAQ */ #endif /* CONFIG_DISCONTIGMEM */ diff --git a/include/asm-x86/mpspec.h b/include/asm-x86/mpspec.h index 4451d720ee0..6e9c9588b1f 100644 --- a/include/asm-x86/mpspec.h +++ b/include/asm-x86/mpspec.h @@ -13,6 +13,12 @@ extern int apic_version[MAX_APICS]; extern u8 apicid_2_node[]; extern int pic_mode; +#ifdef CONFIG_X86_NUMAQ +extern int mp_bus_id_to_node[MAX_MP_BUSSES]; +extern int mp_bus_id_to_local[MAX_MP_BUSSES]; +extern int quad_local_to_mp_bus_id [NR_CPUS/4][4]; +#endif + #define MAX_APICID 256 #else diff --git a/include/asm-x86/numaq.h b/include/asm-x86/numaq.h index 739d16484b8..ef068d2465d 100644 --- a/include/asm-x86/numaq.h +++ b/include/asm-x86/numaq.h @@ -157,9 +157,10 @@ struct sys_cfg_data { struct eachquadmem eq[MAX_NUMNODES]; /* indexed by quad id */ }; -static inline unsigned long *get_zholes_size(int nid) +#else +static inline int get_memcfg_numaq(void) { - return NULL; + return 0; } #endif /* CONFIG_X86_NUMAQ */ #endif /* NUMAQ_H */ diff --git a/include/asm-x86/srat.h b/include/asm-x86/srat.h index f4bba131d06..456fe0b5a92 100644 --- a/include/asm-x86/srat.h +++ b/include/asm-x86/srat.h @@ -27,11 +27,13 @@ #ifndef _ASM_SRAT_H_ #define _ASM_SRAT_H_ -#ifndef CONFIG_ACPI_SRAT -#error CONFIG_ACPI_SRAT not defined, and srat.h header has been included -#endif - +#ifdef CONFIG_ACPI_SRAT extern int get_memcfg_from_srat(void); -extern unsigned long *get_zholes_size(int); +#else +static inline int get_memcfg_from_srat(void) +{ + return 0; +} +#endif #endif /* _ASM_SRAT_H_ */ -- cgit v1.2.3-70-g09d2 From 908ec7afacfdc83dc10938ed1d3c38b3526034ec Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Mon, 30 Jun 2008 14:42:18 -0700 Subject: x86: remove arbitrary ELF section limit in i386 relocatable kernel Impact: build failure in maximal configurations The 32-bit x86 relocatable kernel requires an auxilliary host program to process the relocations. This program had a hard-coded arbitrary limit of a 100 ELF sections. Instead of a hard-coded limit, allocate the structures dynamically. Signed-off-by: H. Peter Anvin Acked-by: Vivek Goyal --- arch/x86/boot/compressed/relocs.c | 198 +++++++++++++++++++++----------------- 1 file changed, 110 insertions(+), 88 deletions(-) (limited to 'arch/x86/boot/compressed') diff --git a/arch/x86/boot/compressed/relocs.c b/arch/x86/boot/compressed/relocs.c index edaadea90aa..a1310c52fc0 100644 --- a/arch/x86/boot/compressed/relocs.c +++ b/arch/x86/boot/compressed/relocs.c @@ -10,16 +10,20 @@ #define USE_BSD #include -#define MAX_SHDRS 100 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) static Elf32_Ehdr ehdr; -static Elf32_Shdr shdr[MAX_SHDRS]; -static Elf32_Sym *symtab[MAX_SHDRS]; -static Elf32_Rel *reltab[MAX_SHDRS]; -static char *strtab[MAX_SHDRS]; static unsigned long reloc_count, reloc_idx; static unsigned long *relocs; +struct section { + Elf32_Shdr shdr; + struct section *link; + Elf32_Sym *symtab; + Elf32_Rel *reltab; + char *strtab; +}; +static struct section *secs; + /* * Following symbols have been audited. There values are constant and do * not change if bzImage is loaded at a different physical address than @@ -35,7 +39,7 @@ static int is_safe_abs_reloc(const char* sym_name) { int i; - for(i = 0; i < ARRAY_SIZE(safe_abs_relocs); i++) { + for (i = 0; i < ARRAY_SIZE(safe_abs_relocs); i++) { if (!strcmp(sym_name, safe_abs_relocs[i])) /* Match found */ return 1; @@ -137,10 +141,10 @@ static const char *sec_name(unsigned shndx) { const char *sec_strtab; const char *name; - sec_strtab = strtab[ehdr.e_shstrndx]; + sec_strtab = secs[ehdr.e_shstrndx].strtab; name = ""; if (shndx < ehdr.e_shnum) { - name = sec_strtab + shdr[shndx].sh_name; + name = sec_strtab + secs[shndx].shdr.sh_name; } else if (shndx == SHN_ABS) { name = "ABSOLUTE"; @@ -159,7 +163,7 @@ static const char *sym_name(const char *sym_strtab, Elf32_Sym *sym) name = sym_strtab + sym->st_name; } else { - name = sec_name(shdr[sym->st_shndx].sh_name); + name = sec_name(secs[sym->st_shndx].shdr.sh_name); } return name; } @@ -244,29 +248,34 @@ static void read_ehdr(FILE *fp) static void read_shdrs(FILE *fp) { int i; - if (ehdr.e_shnum > MAX_SHDRS) { - die("%d section headers supported: %d\n", - ehdr.e_shnum, MAX_SHDRS); + Elf32_Shdr shdr; + + secs = calloc(ehdr.e_shnum, sizeof(struct section)); + if (!secs) { + die("Unable to allocate %d section headers\n", + ehdr.e_shnum); } if (fseek(fp, ehdr.e_shoff, SEEK_SET) < 0) { die("Seek to %d failed: %s\n", ehdr.e_shoff, strerror(errno)); } - if (fread(&shdr, sizeof(shdr[0]), ehdr.e_shnum, fp) != ehdr.e_shnum) { - die("Cannot read ELF section headers: %s\n", - strerror(errno)); - } - for(i = 0; i < ehdr.e_shnum; i++) { - shdr[i].sh_name = elf32_to_cpu(shdr[i].sh_name); - shdr[i].sh_type = elf32_to_cpu(shdr[i].sh_type); - shdr[i].sh_flags = elf32_to_cpu(shdr[i].sh_flags); - shdr[i].sh_addr = elf32_to_cpu(shdr[i].sh_addr); - shdr[i].sh_offset = elf32_to_cpu(shdr[i].sh_offset); - shdr[i].sh_size = elf32_to_cpu(shdr[i].sh_size); - shdr[i].sh_link = elf32_to_cpu(shdr[i].sh_link); - shdr[i].sh_info = elf32_to_cpu(shdr[i].sh_info); - shdr[i].sh_addralign = elf32_to_cpu(shdr[i].sh_addralign); - shdr[i].sh_entsize = elf32_to_cpu(shdr[i].sh_entsize); + for (i = 0; i < ehdr.e_shnum; i++) { + struct section *sec = &secs[i]; + if (fread(&shdr, sizeof shdr, 1, fp) != 1) + die("Cannot read ELF section headers %d/%d: %s\n", + i, ehdr.e_shnum, strerror(errno)); + sec->shdr.sh_name = elf32_to_cpu(shdr.sh_name); + sec->shdr.sh_type = elf32_to_cpu(shdr.sh_type); + sec->shdr.sh_flags = elf32_to_cpu(shdr.sh_flags); + sec->shdr.sh_addr = elf32_to_cpu(shdr.sh_addr); + sec->shdr.sh_offset = elf32_to_cpu(shdr.sh_offset); + sec->shdr.sh_size = elf32_to_cpu(shdr.sh_size); + sec->shdr.sh_link = elf32_to_cpu(shdr.sh_link); + sec->shdr.sh_info = elf32_to_cpu(shdr.sh_info); + sec->shdr.sh_addralign = elf32_to_cpu(shdr.sh_addralign); + sec->shdr.sh_entsize = elf32_to_cpu(shdr.sh_entsize); + if (sec->shdr.sh_link < ehdr.e_shnum) + sec->link = &secs[sec->shdr.sh_link]; } } @@ -274,20 +283,22 @@ static void read_shdrs(FILE *fp) static void read_strtabs(FILE *fp) { int i; - for(i = 0; i < ehdr.e_shnum; i++) { - if (shdr[i].sh_type != SHT_STRTAB) { + for (i = 0; i < ehdr.e_shnum; i++) { + struct section *sec = &secs[i]; + if (sec->shdr.sh_type != SHT_STRTAB) { continue; } - strtab[i] = malloc(shdr[i].sh_size); - if (!strtab[i]) { + sec->strtab = malloc(sec->shdr.sh_size); + if (!sec->strtab) { die("malloc of %d bytes for strtab failed\n", - shdr[i].sh_size); + sec->shdr.sh_size); } - if (fseek(fp, shdr[i].sh_offset, SEEK_SET) < 0) { + if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) { die("Seek to %d failed: %s\n", - shdr[i].sh_offset, strerror(errno)); + sec->shdr.sh_offset, strerror(errno)); } - if (fread(strtab[i], 1, shdr[i].sh_size, fp) != shdr[i].sh_size) { + if (fread(sec->strtab, 1, sec->shdr.sh_size, fp) + != sec->shdr.sh_size) { die("Cannot read symbol table: %s\n", strerror(errno)); } @@ -297,28 +308,31 @@ static void read_strtabs(FILE *fp) static void read_symtabs(FILE *fp) { int i,j; - for(i = 0; i < ehdr.e_shnum; i++) { - if (shdr[i].sh_type != SHT_SYMTAB) { + for (i = 0; i < ehdr.e_shnum; i++) { + struct section *sec = &secs[i]; + if (sec->shdr.sh_type != SHT_SYMTAB) { continue; } - symtab[i] = malloc(shdr[i].sh_size); - if (!symtab[i]) { + sec->symtab = malloc(sec->shdr.sh_size); + if (!sec->symtab) { die("malloc of %d bytes for symtab failed\n", - shdr[i].sh_size); + sec->shdr.sh_size); } - if (fseek(fp, shdr[i].sh_offset, SEEK_SET) < 0) { + if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) { die("Seek to %d failed: %s\n", - shdr[i].sh_offset, strerror(errno)); + sec->shdr.sh_offset, strerror(errno)); } - if (fread(symtab[i], 1, shdr[i].sh_size, fp) != shdr[i].sh_size) { + if (fread(sec->symtab, 1, sec->shdr.sh_size, fp) + != sec->shdr.sh_size) { die("Cannot read symbol table: %s\n", strerror(errno)); } - for(j = 0; j < shdr[i].sh_size/sizeof(symtab[i][0]); j++) { - symtab[i][j].st_name = elf32_to_cpu(symtab[i][j].st_name); - symtab[i][j].st_value = elf32_to_cpu(symtab[i][j].st_value); - symtab[i][j].st_size = elf32_to_cpu(symtab[i][j].st_size); - symtab[i][j].st_shndx = elf16_to_cpu(symtab[i][j].st_shndx); + for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Sym); j++) { + Elf32_Sym *sym = &sec->symtab[j]; + sym->st_name = elf32_to_cpu(sym->st_name); + sym->st_value = elf32_to_cpu(sym->st_value); + sym->st_size = elf32_to_cpu(sym->st_size); + sym->st_shndx = elf16_to_cpu(sym->st_shndx); } } } @@ -327,26 +341,29 @@ static void read_symtabs(FILE *fp) static void read_relocs(FILE *fp) { int i,j; - for(i = 0; i < ehdr.e_shnum; i++) { - if (shdr[i].sh_type != SHT_REL) { + for (i = 0; i < ehdr.e_shnum; i++) { + struct section *sec = &secs[i]; + if (sec->shdr.sh_type != SHT_REL) { continue; } - reltab[i] = malloc(shdr[i].sh_size); - if (!reltab[i]) { + sec->reltab = malloc(sec->shdr.sh_size); + if (!sec->reltab) { die("malloc of %d bytes for relocs failed\n", - shdr[i].sh_size); + sec->shdr.sh_size); } - if (fseek(fp, shdr[i].sh_offset, SEEK_SET) < 0) { + if (fseek(fp, sec->shdr.sh_offset, SEEK_SET) < 0) { die("Seek to %d failed: %s\n", - shdr[i].sh_offset, strerror(errno)); + sec->shdr.sh_offset, strerror(errno)); } - if (fread(reltab[i], 1, shdr[i].sh_size, fp) != shdr[i].sh_size) { + if (fread(sec->reltab, 1, sec->shdr.sh_size, fp) + != sec->shdr.sh_size) { die("Cannot read symbol table: %s\n", strerror(errno)); } - for(j = 0; j < shdr[i].sh_size/sizeof(reltab[0][0]); j++) { - reltab[i][j].r_offset = elf32_to_cpu(reltab[i][j].r_offset); - reltab[i][j].r_info = elf32_to_cpu(reltab[i][j].r_info); + for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) { + Elf32_Rel *rel = &sec->reltab[j]; + rel->r_offset = elf32_to_cpu(rel->r_offset); + rel->r_info = elf32_to_cpu(rel->r_info); } } } @@ -357,19 +374,21 @@ static void print_absolute_symbols(void) int i; printf("Absolute symbols\n"); printf(" Num: Value Size Type Bind Visibility Name\n"); - for(i = 0; i < ehdr.e_shnum; i++) { + for (i = 0; i < ehdr.e_shnum; i++) { + struct section *sec = &secs[i]; char *sym_strtab; Elf32_Sym *sh_symtab; int j; - if (shdr[i].sh_type != SHT_SYMTAB) { + + if (sec->shdr.sh_type != SHT_SYMTAB) { continue; } - sh_symtab = symtab[i]; - sym_strtab = strtab[shdr[i].sh_link]; - for(j = 0; j < shdr[i].sh_size/sizeof(symtab[0][0]); j++) { + sh_symtab = sec->symtab; + sym_strtab = sec->link->strtab; + for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Sym); j++) { Elf32_Sym *sym; const char *name; - sym = &symtab[i][j]; + sym = &sec->symtab[j]; name = sym_name(sym_strtab, sym); if (sym->st_shndx != SHN_ABS) { continue; @@ -389,26 +408,27 @@ static void print_absolute_relocs(void) { int i, printed = 0; - for(i = 0; i < ehdr.e_shnum; i++) { + for (i = 0; i < ehdr.e_shnum; i++) { + struct section *sec = &secs[i]; + struct section *sec_applies, *sec_symtab; char *sym_strtab; Elf32_Sym *sh_symtab; - unsigned sec_applies, sec_symtab; int j; - if (shdr[i].sh_type != SHT_REL) { + if (sec->shdr.sh_type != SHT_REL) { continue; } - sec_symtab = shdr[i].sh_link; - sec_applies = shdr[i].sh_info; - if (!(shdr[sec_applies].sh_flags & SHF_ALLOC)) { + sec_symtab = sec->link; + sec_applies = &secs[sec->shdr.sh_info]; + if (!(sec_applies->shdr.sh_flags & SHF_ALLOC)) { continue; } - sh_symtab = symtab[sec_symtab]; - sym_strtab = strtab[shdr[sec_symtab].sh_link]; - for(j = 0; j < shdr[i].sh_size/sizeof(reltab[0][0]); j++) { + sh_symtab = sec_symtab->symtab; + sym_strtab = sec_symtab->link->strtab; + for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) { Elf32_Rel *rel; Elf32_Sym *sym; const char *name; - rel = &reltab[i][j]; + rel = &sec->reltab[j]; sym = &sh_symtab[ELF32_R_SYM(rel->r_info)]; name = sym_name(sym_strtab, sym); if (sym->st_shndx != SHN_ABS) { @@ -456,26 +476,28 @@ static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym)) { int i; /* Walk through the relocations */ - for(i = 0; i < ehdr.e_shnum; i++) { + for (i = 0; i < ehdr.e_shnum; i++) { char *sym_strtab; Elf32_Sym *sh_symtab; - unsigned sec_applies, sec_symtab; + struct section *sec_applies, *sec_symtab; int j; - if (shdr[i].sh_type != SHT_REL) { + struct section *sec = &secs[i]; + + if (sec->shdr.sh_type != SHT_REL) { continue; } - sec_symtab = shdr[i].sh_link; - sec_applies = shdr[i].sh_info; - if (!(shdr[sec_applies].sh_flags & SHF_ALLOC)) { + sec_symtab = sec->link; + sec_applies = &secs[sec->shdr.sh_info]; + if (!(sec_applies->shdr.sh_flags & SHF_ALLOC)) { continue; } - sh_symtab = symtab[sec_symtab]; - sym_strtab = strtab[shdr[sec_symtab].sh_link]; - for(j = 0; j < shdr[i].sh_size/sizeof(reltab[0][0]); j++) { + sh_symtab = sec_symtab->symtab; + sym_strtab = sec->link->strtab; + for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) { Elf32_Rel *rel; Elf32_Sym *sym; unsigned r_type; - rel = &reltab[i][j]; + rel = &sec->reltab[j]; sym = &sh_symtab[ELF32_R_SYM(rel->r_info)]; r_type = ELF32_R_TYPE(rel->r_info); /* Don't visit relocations to absolute symbols */ @@ -539,7 +561,7 @@ static void emit_relocs(int as_text) */ printf(".section \".data.reloc\",\"a\"\n"); printf(".balign 4\n"); - for(i = 0; i < reloc_count; i++) { + for (i = 0; i < reloc_count; i++) { printf("\t .long 0x%08lx\n", relocs[i]); } printf("\n"); @@ -550,7 +572,7 @@ static void emit_relocs(int as_text) /* Print a stop */ printf("%c%c%c%c", buf[0], buf[1], buf[2], buf[3]); /* Now print each relocation */ - for(i = 0; i < reloc_count; i++) { + for (i = 0; i < reloc_count; i++) { buf[0] = (relocs[i] >> 0) & 0xff; buf[1] = (relocs[i] >> 8) & 0xff; buf[2] = (relocs[i] >> 16) & 0xff; @@ -577,7 +599,7 @@ int main(int argc, char **argv) show_absolute_relocs = 0; as_text = 0; fname = NULL; - for(i = 1; i < argc; i++) { + for (i = 1; i < argc; i++) { char *arg = argv[i]; if (*arg == '-') { if (strcmp(argv[1], "--abs-syms") == 0) { -- cgit v1.2.3-70-g09d2 From 6bcb13b35a2ea39be6c7cc0292b8ad1191b1a748 Mon Sep 17 00:00:00 2001 From: Ben Collins Date: Wed, 18 Jun 2008 14:04:35 -0400 Subject: x86: config option to disable info from decompression of the kernel This patch allows the disabling of decompression messages during x86 bootup. Signed-off-by: Ben Collins Signed-off-by: Ingo Molnar --- arch/x86/Kconfig.debug | 8 ++++++++ arch/x86/boot/compressed/misc.c | 16 +++++++++++----- 2 files changed, 19 insertions(+), 5 deletions(-) (limited to 'arch/x86/boot/compressed') diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index ac1e31ba479..14abaa51922 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -16,6 +16,14 @@ config NONPROMISC_DEVMEM obviously disasterous, but specific access can be used by people debugging the kernel. +config X86_VERBOSE_BOOTUP + bool "Enable verbose x86 bootup info messages" + default y + help + Enables the informational output from the decompression stage + (e.g. bzImage) of the boot. If you disable this you will still + see errors. Disable this if you want silent bootup. + config EARLY_PRINTK bool "Early printk" if EMBEDDED default y diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index d10e7274e1f..11629e903aa 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -202,7 +202,8 @@ static void free(void *where); static void *memset(void *s, int c, unsigned n); static void *memcpy(void *dest, const void *src, unsigned n); -static void putstr(const char *); +static void __putstr(int, const char *); +#define putstr(__x) __putstr(0, __x) #ifdef CONFIG_X86_64 #define memptr long @@ -266,11 +267,16 @@ static void scroll(void) vidmem[i] = ' '; } -static void putstr(const char *s) +static void __putstr(int error, const char *s) { int x, y, pos; char c; +#ifndef CONFIG_X86_VERBOSE_BOOTUP + if (!error) + return; +#endif + #ifdef CONFIG_X86_32 if (real_mode->screen_info.orig_video_mode == 0 && lines == 0 && cols == 0) @@ -363,9 +369,9 @@ static void flush_window(void) static void error(char *x) { - putstr("\n\n"); - putstr(x); - putstr("\n\n -- System halted"); + __putstr(1, "\n\n"); + __putstr(1, x); + __putstr(1, "\n\n -- System halted"); while (1) asm("hlt"); -- cgit v1.2.3-70-g09d2