diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 18:42:58 +0100 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 18:42:58 +0100 |
commit | e4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a (patch) | |
tree | 1db5a0540a4eecfad9b7daee476b985e82ddc810 /arch/x86/boot/compressed/misc.c | |
parent | ec62dbd7eb8e3dddb221da89ecbcea0fc3dee8c1 (diff) | |
parent | b2c1e07b81a126e5846dfc3d36f559d861df59f4 (diff) |
Merge branch 'for-2.6.36' into for-2.6.37
Fairly simple conflicts, the most serious ones are the i.MX ones which I
suspect now need another rename.
Conflicts:
arch/arm/mach-mx2/clock_imx27.c
arch/arm/mach-mx2/devices.c
arch/arm/mach-omap2/board-rx51-peripherals.c
arch/arm/mach-omap2/board-zoom2.c
sound/soc/fsl/mpc5200_dma.c
sound/soc/fsl/mpc5200_dma.h
sound/soc/fsl/mpc8610_hpcd.c
sound/soc/pxa/spitz.c
Diffstat (limited to 'arch/x86/boot/compressed/misc.c')
-rw-r--r-- | arch/x86/boot/compressed/misc.c | 56 |
1 files changed, 33 insertions, 23 deletions
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 51e240779a4..8f7bef8e9ff 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -9,23 +9,7 @@ * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996 */ -/* - * we have to be careful, because no indirections are allowed here, and - * paravirt_ops is a kind of one. As it will only run in baremetal anyway, - * we just keep it from happening - */ -#undef CONFIG_PARAVIRT -#ifdef CONFIG_X86_32 -#define _ASM_X86_DESC_H 1 -#endif - -#include <linux/linkage.h> -#include <linux/screen_info.h> -#include <linux/elf.h> -#include <linux/io.h> -#include <asm/page.h> -#include <asm/boot.h> -#include <asm/bootparam.h> +#include "misc.h" /* WARNING!! * This code is compiled with -fPIC and it is relocated dynamically @@ -123,15 +107,13 @@ static void error(char *m); /* * This is set up by the setup-routine at boot-time */ -static struct boot_params *real_mode; /* Pointer to real-mode data */ +struct boot_params *real_mode; /* Pointer to real-mode data */ static int quiet; +static int debug; void *memset(void *s, int c, size_t n); void *memcpy(void *dest, const void *src, size_t n); -static void __putstr(int, const char *); -#define putstr(__x) __putstr(0, __x) - #ifdef CONFIG_X86_64 #define memptr long #else @@ -170,7 +152,21 @@ static void scroll(void) vidmem[i] = ' '; } -static void __putstr(int error, const char *s) +#define XMTRDY 0x20 + +#define TXR 0 /* Transmit register (WRITE) */ +#define LSR 5 /* Line Status */ +static void serial_putchar(int ch) +{ + unsigned timeout = 0xffff; + + while ((inb(early_serial_base + LSR) & XMTRDY) == 0 && --timeout) + cpu_relax(); + + outb(ch, early_serial_base + TXR); +} + +void __putstr(int error, const char *s) { int x, y, pos; char c; @@ -179,6 +175,14 @@ static void __putstr(int error, const char *s) if (!error) return; #endif + if (early_serial_base) { + const char *str = s; + while (*str) { + if (*str == '\n') + serial_putchar('\r'); + serial_putchar(*str++); + } + } if (real_mode->screen_info.orig_video_mode == 0 && lines == 0 && cols == 0) @@ -305,8 +309,10 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, { real_mode = rmode; - if (real_mode->hdr.loadflags & QUIET_FLAG) + if (cmdline_find_option_bool("quiet")) quiet = 1; + if (cmdline_find_option_bool("debug")) + debug = 1; if (real_mode->screen_info.orig_video_mode == 7) { vidmem = (char *) 0xb0000; @@ -319,6 +325,10 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap, lines = real_mode->screen_info.orig_video_lines; cols = real_mode->screen_info.orig_video_cols; + console_init(); + if (debug) + putstr("early console in decompress_kernel\n"); + free_mem_ptr = heap; /* Heap */ free_mem_end_ptr = heap + BOOT_HEAP_SIZE; |