[GIT PULL] m32r updates for 2.6.32-rc7
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[GIT PULL] m32r updates for 2.6.32-rc7
by Hirokazu Takata
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Hi Linus,
Here is m32r updates for 2.6.32-rc7. Please pull the following updates from: git://www.linux-m32r.org/git/takata/linux-2.6_dev.git for-linus Thanks, -- Takata The following changes since commit b419148e567728f6af0c3b01965c1cc141e3e13a: Linus Torvalds (1): Linux 2.6.32-rc6 are available in the git repository at: git://www.linux-m32r.org/git/takata/linux-2.6_dev.git for-linus Hirokazu Takata (2): m32r: add NOTES to vmlinux.lds.S to remove .note.gnu.build-id section m32r: bzip2/lzma kernel compression support Julia Lawall (1): arch/m32r: Use DIV_ROUND_CLOSEST Roel Kluin (1): m32r: Should index be positive? arch/m32r/Kconfig | 3 + arch/m32r/boot/compressed/Makefile | 16 +++- arch/m32r/boot/compressed/misc.c | 143 +++++++----------------------------- arch/m32r/kernel/smp.c | 2 +- arch/m32r/kernel/time.c | 6 +- arch/m32r/kernel/vmlinux.lds.S | 2 + 6 files changed, 48 insertions(+), 124 deletions(-) --- commit 45cdd473301aae36e1f10664b9fe7ef5aad3f182 Author: Roel Kluin <roel.kluin@...> Date: Sun Nov 1 15:33:06 2009 +0100 m32r: Should index be positive? Index `ipi_num' is signed, test whether it is negative to make sure we don't get a negative array element. Signed-off-by: Roel Kluin <roel.kluin@...> Signed-off-by: Hirokazu Takata <takata@...> diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c index 8a88f1f..31cef20 100644 --- a/arch/m32r/kernel/smp.c +++ b/arch/m32r/kernel/smp.c @@ -806,7 +806,7 @@ unsigned long send_IPI_mask_phys(cpumask_t physid_mask, int ipi_num, if (mask & ~physids_coerce(phys_cpu_present_map)) BUG(); - if (ipi_num >= NR_IPIS) + if (ipi_num >= NR_IPIS || ipi_num < 0) BUG(); mask <<= IPI_SHIFT; commit 337214e8c6b0c777713b2483749f9c03102a416c Author: Hirokazu Takata <takata@...> Date: Thu Oct 15 09:21:56 2009 +0900 m32r: bzip2/lzma kernel compression support - Support bzip2 and lzma kernel compression for m32r. - Clean up arch/m32r/boot/compressed/misc.c. Signed-off-by: Hirokazu Takata <takata@...> diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index c41234f..3a9319f 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -11,6 +11,9 @@ config M32R select HAVE_IDE select HAVE_OPROFILE select INIT_ALL_POSSIBLE + select HAVE_KERNEL_GZIP + select HAVE_KERNEL_BZIP2 + select HAVE_KERNEL_LZMA config SBUS bool diff --git a/arch/m32r/boot/compressed/Makefile b/arch/m32r/boot/compressed/Makefile index 560484a..1003880 100644 --- a/arch/m32r/boot/compressed/Makefile +++ b/arch/m32r/boot/compressed/Makefile @@ -4,8 +4,8 @@ # create a compressed vmlinux image from the original vmlinux # -targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o \ - piggy.o vmlinux.lds +targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ + vmlinux.bin.lzma head.o misc.o piggy.o vmlinux.lds OBJECTS = $(obj)/head.o $(obj)/misc.o @@ -27,6 +27,12 @@ $(obj)/vmlinux.bin: vmlinux FORCE $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE $(call if_changed,gzip) +$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE + $(call if_changed,bzip2) + +$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE + $(call if_changed,lzma) + CFLAGS_misc.o += -fpic ifdef CONFIG_MMU @@ -37,5 +43,9 @@ endif OBJCOPYFLAGS += -R .empty_zero_page -$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE +suffix_$(CONFIG_KERNEL_GZIP) = gz +suffix_$(CONFIG_KERNEL_BZIP2) = bz2 +suffix_$(CONFIG_KERNEL_LZMA) = lzma + +$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE $(call if_changed,ld) diff --git a/arch/m32r/boot/compressed/misc.c b/arch/m32r/boot/compressed/misc.c index d394292..370d608 100644 --- a/arch/m32r/boot/compressed/misc.c +++ b/arch/m32r/boot/compressed/misc.c @@ -9,140 +9,49 @@ * Adapted for SH by Stuart Menefy, Aug 1999 * * 2003-02-12: Support M32R by Takeo Takahashi - * This is based on arch/sh/boot/compressed/misc.c. */ -#include <linux/string.h> - /* * gzip declarations */ - -#define OF(args) args #define STATIC static #undef memset #undef memcpy #define memzero(s, n) memset ((s), 0, (n)) -typedef unsigned char uch; -typedef unsigned short ush; -typedef unsigned long ulg; - -#define WSIZE 0x8000 /* Window size must be at least 32k, */ - /* and a power of two */ - -static uch *inbuf; /* input buffer */ -static uch window[WSIZE]; /* Sliding window buffer */ - -static unsigned insize = 0; /* valid bytes in inbuf */ -static unsigned inptr = 0; /* index of next byte to be processed in inbuf */ -static unsigned outcnt = 0; /* bytes in output buffer */ - -/* gzip flag byte */ -#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */ -#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */ -#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */ -#define ORIG_NAME 0x08 /* bit 3 set: original file name present */ -#define COMMENT 0x10 /* bit 4 set: file comment present */ -#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */ -#define RESERVED 0xC0 /* bit 6,7: reserved */ - -#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf()) - -/* Diagnostic functions */ -#ifdef DEBUG -# define Assert(cond,msg) {if(!(cond)) error(msg);} -# define Trace(x) fprintf x -# define Tracev(x) {if (verbose) fprintf x ;} -# define Tracevv(x) {if (verbose>1) fprintf x ;} -# define Tracec(c,x) {if (verbose && (c)) fprintf x ;} -# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;} -#else -# define Assert(cond,msg) -# define Trace(x) -# define Tracev(x) -# define Tracevv(x) -# define Tracec(c,x) -# define Tracecv(c,x) -#endif - -static int fill_inbuf(void); -static void flush_window(void); static void error(char *m); -static unsigned char *input_data; -static int input_len; - -static long bytes_out = 0; -static uch *output_data; -static unsigned long output_ptr = 0; - #include "m32r_sio.c" static unsigned long free_mem_ptr; static unsigned long free_mem_end_ptr; -#define HEAP_SIZE 0x10000 - -#include "../../../../lib/inflate.c" - -void* memset(void* s, int c, size_t n) +#ifdef CONFIG_KERNEL_BZIP2 +static void *memset(void *s, int c, size_t n) { - int i; - char *ss = (char*)s; + char *ss = s; - for (i=0;i<n;i++) ss[i] = c; + while (n--) + *ss++ = c; return s; } +#endif -void* memcpy(void* __dest, __const void* __src, - size_t __n) -{ - int i; - char *d = (char *)__dest, *s = (char *)__src; - - for (i=0;i<__n;i++) d[i] = s[i]; - return __dest; -} - -/* =========================================================================== - * Fill the input buffer. This is called only when the buffer is empty - * and at least one byte is really needed. - */ -static int fill_inbuf(void) -{ - if (insize != 0) { - error("ran out of input data"); - } - - inbuf = input_data; - insize = input_len; - inptr = 1; - return inbuf[0]; -} +#ifdef CONFIG_KERNEL_GZIP +#define BOOT_HEAP_SIZE 0x10000 +#include "../../../../lib/decompress_inflate.c" +#endif -/* =========================================================================== - * Write the output window window[0..outcnt-1] and update crc and bytes_out. - * (Used for the decompressed data only.) - */ -static void flush_window(void) -{ - ulg c = crc; /* temporary variable */ - unsigned n; - uch *in, *out, ch; +#ifdef CONFIG_KERNEL_BZIP2 +#define BOOT_HEAP_SIZE 0x400000 +#include "../../../../lib/decompress_bunzip2.c" +#endif - in = window; - out = &output_data[output_ptr]; - for (n = 0; n < outcnt; n++) { - ch = *out++ = *in++; - c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8); - } - crc = c; - bytes_out += (ulg)outcnt; - output_ptr += (ulg)outcnt; - outcnt = 0; -} +#ifdef CONFIG_KERNEL_LZMA +#define BOOT_HEAP_SIZE 0x10000 +#include "../../../../lib/decompress_unlzma.c" +#endif static void error(char *x) { @@ -153,20 +62,20 @@ static void error(char *x) while(1); /* Halt */ } -/* return decompressed size */ void decompress_kernel(int mmu_on, unsigned char *zimage_data, unsigned int zimage_len, unsigned long heap) { + unsigned char *input_data = zimage_data; + int input_len = zimage_len; + unsigned char *output_data; + output_data = (unsigned char *)CONFIG_MEMORY_START + 0x2000 + (mmu_on ? 0x80000000 : 0); free_mem_ptr = heap; - free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; - input_data = zimage_data; - input_len = zimage_len; + free_mem_end_ptr = free_mem_ptr + BOOT_HEAP_SIZE; - makecrc(); - puts("Uncompressing Linux... "); - gunzip(); - puts("Ok, booting the kernel.\n"); + puts("\nDecompressing Linux... "); + decompress(input_data, input_len, NULL, NULL, output_data, NULL, error); + puts("done.\nBooting the kernel.\n"); } commit e968b8d404ae8ab4ef218cd145f6dcb71e65154b Author: Hirokazu Takata <takata@...> Date: Mon Oct 5 00:10:55 2009 +0900 m32r: add NOTES to vmlinux.lds.S to remove .note.gnu.build-id section Building with --build-id option, .note.gnu.build-id section is added to vmlinux.bin. But some old buggy binutils creates a huge vmlinux.bin, and a bootloader fails to boot its zImage as well. This patch adds a NOTES macro to a linker script vmlinux.ld.S to put .note.gnu.build-id section into .note section. Then, the .note section will be removed, because "-R .note" option is specified in OBJCOPYFLAGS to make a vmlinux.bin binary. Signed-off-by: Hirokazu Takata <takata@...> diff --git a/arch/m32r/kernel/vmlinux.lds.S b/arch/m32r/kernel/vmlinux.lds.S index 8ceb618..7da94ea 100644 --- a/arch/m32r/kernel/vmlinux.lds.S +++ b/arch/m32r/kernel/vmlinux.lds.S @@ -42,6 +42,8 @@ SECTIONS _etext = .; /* End of text section */ EXCEPTION_TABLE(16) + NOTES + RODATA RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE) _edata = .; /* End of data section */ commit 560235857fb79da48d36e8f866a0ee3b10a232bf Author: Julia Lawall <julia@...> Date: Sun Aug 2 10:47:27 2009 +0200 arch/m32r: Use DIV_ROUND_CLOSEST The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d but is perhaps more readable. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @haskernel@ @@ @depends on haskernel@ expression x,__divisor; @@ - (((x) + ((__divisor) / 2)) / (__divisor)) + DIV_ROUND_CLOSEST(x,__divisor) // </smpl> Signed-off-by: Julia Lawall <julia@...> Signed-off-by: Hirokazu Takata <takata@...> diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c index e7fee0f..9cedcef 100644 --- a/arch/m32r/kernel/time.c +++ b/arch/m32r/kernel/time.c @@ -75,7 +75,7 @@ u32 arch_gettimeoffset(void) count = 0; count = (latch - count) * TICK_SIZE; - elapsed_time = (count + latch / 2) / latch; + elapsed_time = DIV_ROUND_CLOSEST(count, latch); /* NOTE: LATCH is equal to the "interval" value (= reload count). */ #else /* CONFIG_SMP */ @@ -93,7 +93,7 @@ u32 arch_gettimeoffset(void) p_count = count; count = (latch - count) * TICK_SIZE; - elapsed_time = (count + latch / 2) / latch; + elapsed_time = DIV_ROUND_CLOSEST(count, latch); /* NOTE: LATCH is equal to the "interval" value (= reload count). */ #endif /* CONFIG_SMP */ #elif defined(CONFIG_CHIP_M32310) @@ -211,7 +211,7 @@ void __init time_init(void) bus_clock = boot_cpu_data.bus_clock; divide = boot_cpu_data.timer_divide; - latch = (bus_clock/divide + HZ / 2) / HZ; + latch = DIV_ROUND_CLOSEST(bus_clock/divide, HZ); printk("Timer start : latch = %ld\n", latch); -- Hirokazu Takata <takata@...> Linux/M32R Project: http://www.linux-m32r.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@... More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |
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Re: [GIT PULL] m32r updates for 2.6.32-rc7
by Hirokazu Takata
::
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Hi Linus,
Just a small fix. There was a typo in the previous patch: m32r: bzip2/lzma kernel compression support 337214e8c6b0c777713b2483749f9c03102a416c Please pull from git://www.linux-m32r.org/git/takata/linux-2.6_dev.git for-linus Thanks, -- Takata --- The following changes since commit 7c9abfb884b8737f0afdc8a88bcea77526f0da87: Linus Torvalds (1): Merge branch 'kvm-updates/2.6.32' of git://git.kernel.org/pub/scm/virt/kvm/kvm are available in the git repository at: git://www.linux-m32r.org/git/takata/linux-2.6_dev.git for-linus Hirokazu Takata (1): m32r: fix arch/m32r/boot/compressed/Makefile arch/m32r/boot/compressed/Makefile | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) --- commit a556bec9955c8e47b40a87dbfeef6f24d3b2228f Author: Hirokazu Takata <takata@...> Date: Mon Nov 9 08:51:35 2009 +0900 m32r: fix arch/m32r/boot/compressed/Makefile - Fix a comment string - Fix a typo of $(suffix-y) Signed-off-by: Hirokazu Takata <takata@...> diff --git a/arch/m32r/boot/compressed/Makefile b/arch/m32r/boot/compressed/Makefile index 1003880..177716b 100644 --- a/arch/m32r/boot/compressed/Makefile +++ b/arch/m32r/boot/compressed/Makefile @@ -1,5 +1,5 @@ # -# linux/arch/sh/boot/compressed/Makefile +# linux/arch/m32r/boot/compressed/Makefile # # create a compressed vmlinux image from the original vmlinux # @@ -47,5 +47,5 @@ suffix_$(CONFIG_KERNEL_GZIP) = gz suffix_$(CONFIG_KERNEL_BZIP2) = bz2 suffix_$(CONFIG_KERNEL_LZMA) = lzma -$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix_y) FORCE +$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE $(call if_changed,ld) -- Hirokazu Takata <takata@...> Linux/M32R Project: http://www.linux-m32r.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@... More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |
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