2007-10-15 Robert Millan * include/grub/time.h: New file. * include/grub/i386/time.h: Likewise. * include/grub/powerpc/time.h: Likewise. * include/grub/sparc64/time.h: Likewise. * include/grub/i386/pc/time.h (KERNEL_TIME_HEADER): Rename all instances to ... (KERNEL_MACHINE_TIME_HEADER): ... this. * include/grub/powerpc/ieee1275/time.h (KERNEL_TIME_HEADER): Rename all instances to ... (KERNEL_MACHINE_TIME_HEADER): ... this. * include/grub/sparc64/ieee1275/time.h (KERNEL_TIME_HEADER): Rename all instances to ... (KERNEL_MACHINE_TIME_HEADER): ... this. * kern/i386/efi/init.c: Include `grub/time.h'. (grub_millisleep): New function. * kern/i386/pc/init.c: Include `grub/time.h'. (grub_millisleep): New function. * kern/powerpc/ieee1275/init.c: Include `grub/time.h'. Remove `grub/machine/time.h' include. (grub_millisleep): New function. * kern/sparc64/ieee1275/init.c: Include `grub/time.h'. Remove `grub/machine/time.h' include. (grub_millisleep): New function. * kern/misc.c: Include `grub/time.h'. (grub_millisleep_generic): New function. diff -Nurp grub2/include/grub/i386/pc/time.h grub2.sleep/include/grub/i386/pc/time.h --- grub2/include/grub/i386/pc/time.h 2007-07-22 01:32:24.000000000 +0200 +++ grub2.sleep/include/grub/i386/pc/time.h 2007-10-16 20:58:23.000000000 +0200 @@ -16,8 +16,8 @@ * along with GRUB. If not, see . */ -#ifndef KERNEL_TIME_HEADER -#define KERNEL_TIME_HEADER 1 +#ifndef KERNEL_MACHINE_TIME_HEADER +#define KERNEL_MACHINE_TIME_HEADER 1 #include @@ -26,4 +26,4 @@ /* Return the real time in ticks. */ grub_uint32_t EXPORT_FUNC (grub_get_rtc) (void); -#endif /* ! KERNEL_TIME_HEADER */ +#endif /* ! KERNEL_MACHINE_TIME_HEADER */ diff -Nurp grub2/include/grub/i386/time.h grub2.sleep/include/grub/i386/time.h --- grub2/include/grub/i386/time.h 1970-01-01 01:00:00.000000000 +0100 +++ grub2.sleep/include/grub/i386/time.h 2007-10-16 21:00:04.000000000 +0200 @@ -0,0 +1,28 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef KERNEL_CPU_TIME_HEADER +#define KERNEL_CPU_TIME_HEADER 1 + +static __inline void +grub_cpu_idle () +{ + __asm__ __volatile__ ("hlt"); +} + +#endif /* ! KERNEL_CPU_TIME_HEADER */ diff -Nurp grub2/include/grub/powerpc/ieee1275/time.h grub2.sleep/include/grub/powerpc/ieee1275/time.h --- grub2/include/grub/powerpc/ieee1275/time.h 2007-07-22 01:32:24.000000000 +0200 +++ grub2.sleep/include/grub/powerpc/ieee1275/time.h 2007-10-16 20:58:23.000000000 +0200 @@ -16,8 +16,8 @@ * along with GRUB. If not, see . */ -#ifndef KERNEL_TIME_HEADER -#define KERNEL_TIME_HEADER 1 +#ifndef KERNEL_MACHINE_TIME_HEADER +#define KERNEL_MACHINE_TIME_HEADER 1 #include @@ -26,4 +26,4 @@ /* Return the real time in ticks. */ grub_uint32_t EXPORT_FUNC (grub_get_rtc) (void); -#endif /* ! KERNEL_TIME_HEADER */ +#endif /* ! KERNEL_MACHINE_TIME_HEADER */ diff -Nurp grub2/include/grub/powerpc/time.h grub2.sleep/include/grub/powerpc/time.h --- grub2/include/grub/powerpc/time.h 1970-01-01 01:00:00.000000000 +0100 +++ grub2.sleep/include/grub/powerpc/time.h 2007-10-16 21:00:48.000000000 +0200 @@ -0,0 +1,28 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef KERNEL_CPU_TIME_HEADER +#define KERNEL_CPU_TIME_HEADER 1 + +static __inline void +grub_cpu_idle () +{ + /* FIXME: not implemented */ +} + +#endif /* ! KERNEL_CPU_TIME_HEADER */ diff -Nurp grub2/include/grub/sparc64/ieee1275/time.h grub2.sleep/include/grub/sparc64/ieee1275/time.h --- grub2/include/grub/sparc64/ieee1275/time.h 2007-07-22 01:32:25.000000000 +0200 +++ grub2.sleep/include/grub/sparc64/ieee1275/time.h 2007-10-16 20:58:23.000000000 +0200 @@ -16,8 +16,8 @@ * along with GRUB. If not, see . */ -#ifndef KERNEL_TIME_HEADER -#define KERNEL_TIME_HEADER 1 +#ifndef KERNEL_MACHINE_TIME_HEADER +#define KERNEL_MACHINE_TIME_HEADER 1 #include @@ -26,4 +26,4 @@ /* Return the real time in ticks. */ grub_uint32_t EXPORT_FUNC (grub_get_rtc) (void); -#endif /* ! KERNEL_TIME_HEADER */ +#endif /* ! KERNEL_MACHINE_TIME_HEADER */ diff -Nurp grub2/include/grub/sparc64/time.h grub2.sleep/include/grub/sparc64/time.h --- grub2/include/grub/sparc64/time.h 1970-01-01 01:00:00.000000000 +0100 +++ grub2.sleep/include/grub/sparc64/time.h 2007-10-16 21:01:08.000000000 +0200 @@ -0,0 +1,28 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef KERNEL_CPU_TIME_HEADER +#define KERNEL_CPU_TIME_HEADER 1 + +static __inline void +grub_cpu_idle () +{ + /* FIXME: not implemented */ +} + +#endif /* ! KERNEL_CPU_TIME_HEADER */ diff -Nurp grub2/include/grub/time.h grub2.sleep/include/grub/time.h --- grub2/include/grub/time.h 1970-01-01 01:00:00.000000000 +0100 +++ grub2.sleep/include/grub/time.h 2007-10-16 21:41:05.000000000 +0200 @@ -0,0 +1,38 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2007 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef KERNEL_TIME_HEADER +#define KERNEL_TIME_HEADER 1 + +#include +#include +#include + +void EXPORT_FUNC(grub_millisleep) (grub_uint32_t ms); +void EXPORT_FUNC(grub_millisleep_generic) (grub_uint32_t ms); + +static __inline void +grub_sleep (grub_uint32_t s) +{ + grub_millisleep (1000 * s); +} + +/* Duration of a tick in milliseconds, rounded up */ +#define TICK_DURATION_IN_MS ((1000 + GRUB_TICKS_PER_SECOND) / GRUB_TICKS_PER_SECOND) + +#endif /* ! KERNEL_TIME_HEADER */ diff -Nurp grub2/kern/i386/efi/init.c grub2.sleep/kern/i386/efi/init.c --- grub2/kern/i386/efi/init.c 2007-07-22 01:32:27.000000000 +0200 +++ grub2.sleep/kern/i386/efi/init.c 2007-10-16 21:54:31.000000000 +0200 @@ -25,6 +25,13 @@ #include #include #include +#include + +void +grub_millisleep (grub_uint32_t ms) +{ + grub_millisleep_generic (ms); +} void grub_machine_init (void) diff -Nurp grub2/kern/i386/pc/init.c grub2.sleep/kern/i386/pc/init.c --- grub2/kern/i386/pc/init.c 2007-09-07 23:55:26.000000000 +0200 +++ grub2.sleep/kern/i386/pc/init.c 2007-10-16 21:54:26.000000000 +0200 @@ -30,6 +30,7 @@ #include #include #include +#include struct mem_region { @@ -46,6 +47,12 @@ grub_addr_t grub_os_area_addr; grub_size_t grub_os_area_size; grub_size_t grub_lower_mem, grub_upper_mem; +void +grub_millisleep (grub_uint32_t ms) +{ + grub_millisleep_generic (ms); +} + void grub_arch_sync_caches (void *address __attribute__ ((unused)), grub_size_t len __attribute__ ((unused))) diff -Nurp grub2/kern/misc.c grub2.sleep/kern/misc.c --- grub2/kern/misc.c 2007-08-02 22:42:19.000000000 +0200 +++ grub2.sleep/kern/misc.c 2007-10-16 21:50:47.000000000 +0200 @@ -23,6 +23,7 @@ #include #include #include +#include void * grub_memmove (void *dest, const void *src, grub_size_t n) @@ -1041,6 +1042,23 @@ grub_utf8_to_ucs4 (grub_uint32_t *dest, return p - dest; } +void +grub_millisleep_generic (grub_uint32_t ms) +{ + grub_uint32_t time; + int i; + + for (; ms > 0; ms -= TICK_DURATION_IN_MS) + /* wait for the lowest fraction of milliseconds we can (rounded up) */ + for (i = 0; i < TICK_DURATION_IN_MS; i++) + { + /* wait for next tick */ + time = grub_get_rtc (); + while (time == grub_get_rtc ()) + grub_cpu_idle (); + } +} + /* Abort GRUB. This function does not return. */ void grub_abort (void) diff -Nurp grub2/kern/powerpc/ieee1275/init.c grub2.sleep/kern/powerpc/ieee1275/init.c --- grub2/kern/powerpc/ieee1275/init.c 2007-10-12 12:22:27.000000000 +0200 +++ grub2.sleep/kern/powerpc/ieee1275/init.c 2007-10-16 21:55:07.000000000 +0200 @@ -27,8 +27,8 @@ #include #include #include +#include #include -#include #include #include #include @@ -47,6 +47,12 @@ extern char _start[]; extern char _end[]; void +grub_millisleep (grub_uint32_t ms) +{ + grub_millisleep_generic (ms); +} + +void grub_exit (void) { /* Trap to Open Firmware. */ diff -Nurp grub2/kern/sparc64/ieee1275/init.c grub2.sleep/kern/sparc64/ieee1275/init.c --- grub2/kern/sparc64/ieee1275/init.c 2007-07-22 01:32:28.000000000 +0200 +++ grub2.sleep/kern/sparc64/ieee1275/init.c 2007-10-16 22:02:33.000000000 +0200 @@ -27,8 +27,8 @@ #include #include #include +#include #include -#include #include #include #include @@ -66,6 +66,12 @@ _start (uint64_t r0 __attribute__((unuse /* Never reached. */ } +void +grub_millisleep (grub_uint32_t ms) +{ + grub_millisleep_generic (ms); +} + int grub_ieee1275_test_flag (enum grub_ieee1275_flag flag) {