diff --git a/conf/mips-qemu-mipssim.rmk b/conf/mips-qemu-mipssim.rmk new file mode 100644 index 000000000..9000ae296 --- /dev/null +++ b/conf/mips-qemu-mipssim.rmk @@ -0,0 +1,4 @@ +# -*- makefile -*- +LINK_BASE = 0x80010000 +target_machine=qemu-mipssim +include $(srcdir)/conf/mips.mk diff --git a/conf/mips.rmk b/conf/mips.rmk index d03b5d8f5..6ebd7d665 100644 --- a/conf/mips.rmk +++ b/conf/mips.rmk @@ -84,7 +84,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \ grub_emu_LDFLAGS = $(LIBCURSES) -kernel_img_SOURCES = kern/mips/qemu-r4k/startup.S \ +kernel_img_SOURCES = kern/$(target_cpu)/$(target_machine)/startup.S \ kern/main.c kern/device.c kern/$(target_cpu)/$(target_machine)/init.c \ kern/disk.c kern/dl.c kern/err.c kern/file.c kern/fs.c \ kern/misc.c kern/mm.c kern/reader.c kern/term.c \ @@ -128,4 +128,16 @@ serial_mod_SOURCES = term/serial.c serial_mod_CFLAGS = $(COMMON_CFLAGS) serial_mod_LDFLAGS = $(COMMON_LDFLAGS) +# For ata.mod. +pkglib_MODULES += ata.mod +ata_mod_SOURCES = disk/ata.c +ata_mod_CFLAGS = $(COMMON_CFLAGS) +ata_mod_LDFLAGS = $(COMMON_LDFLAGS) + +# For pci.mod. +pkglib_MODULES += pci.mod +pci_mod_SOURCES = bus/pci.c +pci_mod_CFLAGS = $(COMMON_CFLAGS) +pci_mod_LDFLAGS = $(COMMON_LDFLAGS) + include $(srcdir)/conf/common.mk diff --git a/configure.ac b/configure.ac index 97486e421..98750280e 100644 --- a/configure.ac +++ b/configure.ac @@ -91,6 +91,8 @@ case "$target_cpu"-"$platform" in sparc64-ieee1275) ;; mipsel-qemu-r4k) ;; mips-qemu-r4k) ;; + mipsel-qemu-mipssim) ;; + mips-qemu-mipssim) ;; *) AC_MSG_ERROR([platform "$platform" is not supported for target CPU "$target_cpu"]) ;; esac diff --git a/disk/ata.c b/disk/ata.c index 78d396526..b8ce88df3 100644 --- a/disk/ata.c +++ b/disk/ata.c @@ -24,10 +24,11 @@ #include #include #include +#include /* At the moment, only two IDE ports are supported. */ -static const int grub_ata_ioaddress[] = { 0x1f0, 0x170 }; -static const int grub_ata_ioaddress2[] = { 0x3f6, 0x376 }; +static const grub_port_t grub_ata_ioaddress[] = { 0x1f0, 0x170 }; +static const grub_port_t grub_ata_ioaddress2[] = { 0x3f6, 0x376 }; static struct grub_ata_device *grub_ata_devices; diff --git a/include/grub/ata.h b/include/grub/ata.h index aaa2e147a..940e67102 100644 --- a/include/grub/ata.h +++ b/include/grub/ata.h @@ -98,8 +98,8 @@ struct grub_ata_device /* IO addresses on which the registers for this device can be found. */ - int ioaddress; - int ioaddress2; + grub_port_t ioaddress; + grub_port_t ioaddress2; /* Two devices can be connected to a single cable. Use this field to select device 0 (commonly known as "master") or device 1 diff --git a/include/grub/mips/libgcc.h b/include/grub/mips/libgcc.h index a65842522..a04a8f140 100644 --- a/include/grub/mips/libgcc.h +++ b/include/grub/mips/libgcc.h @@ -16,11 +16,10 @@ * along with GRUB. If not, see . */ -void *EXPORT_FUNC (memset) (void *s, int c, int n) __attribute__ ((weak)); -void EXPORT_FUNC (__ashldi3) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__ashrdi3) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__lshrdi3) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__trampoline_setup) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__ucmpdi2) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__bswapsi2) (void) __attribute__ ((weak)); -void EXPORT_FUNC (__bswapdi2) (void) __attribute__ ((weak)); +void *EXPORT_FUNC (memset) (void *s, int c, int n); +void EXPORT_FUNC (__ashldi3) (void); +void EXPORT_FUNC (__ashrdi3) (void); +void EXPORT_FUNC (__lshrdi3) (void); +void EXPORT_FUNC (__ucmpdi2) (void); +void EXPORT_FUNC (__bswapsi2) (void); +void EXPORT_FUNC (__bswapdi2) (void); diff --git a/include/grub/mips/pci.h b/include/grub/mips/pci.h new file mode 100644 index 000000000..38a95a467 --- /dev/null +++ b/include/grub/mips/pci.h @@ -0,0 +1,70 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 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 GRUB_CPU_PCI_H +#define GRUB_CPU_PCI_H 1 + +#include +#include + +#define GRUB_PCI_ADDR_REG 0x14000cf8 +#define GRUB_PCI_DATA_REG 0x14000cfc + +static inline grub_uint32_t +grub_pci_read (grub_pci_address_t addr) +{ + grub_outl (addr, GRUB_PCI_ADDR_REG); + return grub_inl (GRUB_PCI_DATA_REG); +} + +static inline grub_uint16_t +grub_pci_read_word (grub_pci_address_t addr) +{ + grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); + return grub_inw (GRUB_PCI_DATA_REG + (addr & 3)); +} + +static inline grub_uint8_t +grub_pci_read_byte (grub_pci_address_t addr) +{ + grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); + return grub_inb (GRUB_PCI_DATA_REG + (addr & 3)); +} + +static inline void +grub_pci_write (grub_pci_address_t addr, grub_uint32_t data) +{ + grub_outl (addr, GRUB_PCI_ADDR_REG); + grub_outl (data, GRUB_PCI_DATA_REG); +} + +static inline void +grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data) +{ + grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); + grub_outw (data, GRUB_PCI_DATA_REG + (addr & 3)); +} + +static inline void +grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data) +{ + grub_outl (addr & ~3, GRUB_PCI_ADDR_REG); + grub_outb (data, GRUB_PCI_DATA_REG + (addr & 3)); +} + +#endif /* GRUB_CPU_PCI_H */ diff --git a/include/grub/mips/qemu-mipssim/kernel.h b/include/grub/mips/qemu-mipssim/kernel.h new file mode 100644 index 000000000..6a10f2df1 --- /dev/null +++ b/include/grub/mips/qemu-mipssim/kernel.h @@ -0,0 +1,35 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2006,2007,2008,2009 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 GRUB_KERNEL_MACHINE_HEADER +#define GRUB_KERNEL_MACHINE_HEADER 1 + +#include + +#ifndef ASM_FILE + +void EXPORT_FUNC (grub_reboot) (void); +void EXPORT_FUNC (grub_halt) (void); + +/* The prefix which points to the directory where GRUB modules and its + configuration file are located. */ +extern char grub_prefix[]; + +#endif + +#endif /* ! GRUB_KERNEL_MACHINE_HEADER */ diff --git a/include/grub/mips/qemu-mipssim/machine.h b/include/grub/mips/qemu-mipssim/machine.h new file mode 100644 index 000000000..9062662bc --- /dev/null +++ b/include/grub/mips/qemu-mipssim/machine.h @@ -0,0 +1,24 @@ +/* + * 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 GRUB_MACHINE_MACHINE_HEADER +#define GRUB_MACHINE_MACHINE_HEADER 1 + +#define GRUB_MACHINE_MIPS_QEMU_MIPSSIM 1 + +#endif /* ! GRUB_MACHINE_MACHINE_HEADER */ diff --git a/include/grub/mips/qemu-mipssim/memory.h b/include/grub/mips/qemu-mipssim/memory.h new file mode 100644 index 000000000..87e68674e --- /dev/null +++ b/include/grub/mips/qemu-mipssim/memory.h @@ -0,0 +1,54 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 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 GRUB_MEMORY_MACHINE_HEADER +#define GRUB_MEMORY_MACHINE_HEADER 1 + +#ifndef ASM_FILE +#include +#include +#include +#endif + +#define GRUB_MACHINE_MEMORY_STACK_HIGH 0x80f00000 +#define GRUB_MACHINE_MEMORY_USABLE 0x81000000 + +#define GRUB_MACHINE_MEMORY_AVAILABLE 1 + +#ifndef ASM_FILE +grub_err_t EXPORT_FUNC (grub_machine_mmap_iterate) +(int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); +grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate) + (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t)); + +static inline grub_err_t +grub_machine_mmap_register (grub_uint64_t start __attribute__ ((unused)), + grub_uint64_t size __attribute__ ((unused)), + int type __attribute__ ((unused)), + int handle __attribute__ ((unused))) +{ + return GRUB_ERR_NONE; +} +static inline grub_err_t +grub_machine_mmap_unregister (int handle __attribute__ ((unused))) +{ + return GRUB_ERR_NONE; +} +#endif + +#endif diff --git a/include/grub/mips/qemu-mipssim/time.h b/include/grub/mips/qemu-mipssim/time.h new file mode 100644 index 000000000..5c8564e0d --- /dev/null +++ b/include/grub/mips/qemu-mipssim/time.h @@ -0,0 +1,35 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2003,2004,2005,2007 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_MACHINE_TIME_HEADER +#define KERNEL_MACHINE_TIME_HEADER 1 + +#include + +#define GRUB_TICKS_PER_SECOND 1000 + +/* Return the real time in ticks. */ +grub_uint32_t EXPORT_FUNC (grub_get_rtc) (void); + +static inline void +grub_cpu_idle(void) +{ + /* asm volatile ("wait");*/ +} + +#endif /* ! KERNEL_MACHINE_TIME_HEADER */ diff --git a/include/grub/mips/qemu-r4k/machine.h b/include/grub/mips/qemu-r4k/machine.h index 9bad5dca9..386cad750 100644 --- a/include/grub/mips/qemu-r4k/machine.h +++ b/include/grub/mips/qemu-r4k/machine.h @@ -19,6 +19,6 @@ #ifndef GRUB_MACHINE_MACHINE_HEADER #define GRUB_MACHINE_MACHINE_HEADER 1 -#define GRUB_MACHINE_MIPS_QEMU 1 +#define GRUB_MACHINE_MIPS_QEMU_R4K 1 #endif /* ! GRUB_MACHINE_MACHINE_HEADER */ diff --git a/kern/mips/qemu-mipssim/init.c b/kern/mips/qemu-mipssim/init.c new file mode 100644 index 000000000..d4001cf1c --- /dev/null +++ b/kern/mips/qemu-mipssim/init.c @@ -0,0 +1,76 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define RAMSIZE (64 << 20) + +grub_uint32_t +grub_get_rtc (void) +{ + static int calln = 0; + return calln++; +} + +void +grub_machine_init (void) +{ + grub_mm_init_region ((void *) GRUB_MACHINE_MEMORY_USABLE, + RAMSIZE - (GRUB_MACHINE_MEMORY_USABLE & 0x7fffffff)); + grub_install_get_time_ms (grub_rtc_get_time_ms); +} + +void +grub_machine_fini (void) +{ +} + +void +grub_exit (void) +{ + while (1); +} + +void +grub_halt (void) +{ + while (1); +} + +void +grub_reboot (void) +{ + while (1); +} + +void +grub_machine_set_prefix (void) +{ + grub_env_set ("prefix", grub_prefix); +} + +extern char _start[]; +extern char _end[]; + +grub_addr_t +grub_arch_modules_addr (void) +{ + return ALIGN_UP((grub_addr_t) _end + GRUB_MOD_GAP, GRUB_MOD_ALIGN); +} + +grub_err_t +grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, + grub_uint64_t, + grub_uint32_t)) +{ + hook (0, RAMSIZE, + GRUB_MACHINE_MEMORY_AVAILABLE); + return GRUB_ERR_NONE; +} diff --git a/kern/mips/qemu-mipssim/startup.S b/kern/mips/qemu-mipssim/startup.S new file mode 100644 index 000000000..19de4779d --- /dev/null +++ b/kern/mips/qemu-mipssim/startup.S @@ -0,0 +1,55 @@ +/* startup.S - Startup code for the MIPS. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2009 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 . + */ + +#include +#include +#include + +.extern __bss_start +.extern _end + + .globl __start, _start, start +__start: +_start: +start: + b codestart + . = _start + GRUB_KERNEL_CPU_PREFIX + +VARIABLE(grub_prefix) + /* to be filled by grub-mkelfimage */ + + /* + * Leave some breathing room for the prefix. + */ + + . = _start + GRUB_KERNEL_CPU_DATA_END +codestart: + lui $t1, %hi(__bss_start) + addiu $t1, %lo(__bss_start) + lui $t2, %hi(_end) + addiu $t2, %lo(_end) + +bsscont: + sb $0,0($t1) + addiu $t1,$t1,1 + sltu $t3,$t1,$t2 + bne $3, $0, bsscont + + li $sp, GRUB_MACHINE_MEMORY_STACK_HIGH + b grub_main \ No newline at end of file diff --git a/term/serial.c b/term/serial.c index 4b6ac981d..30f8bb91a 100644 --- a/term/serial.c +++ b/term/serial.c @@ -67,7 +67,10 @@ static struct serial_port serial_settings; #ifdef GRUB_MACHINE_PCBIOS static const unsigned short *serial_hw_io_addr = (const unsigned short *) GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR; #define GRUB_SERIAL_PORT_NUM 4 -#elif defined (GRUB_MACHINE_MIPS_QEMU) +#elif defined (GRUB_MACHINE_MIPS_QEMU_MIPSSIM) +static const grub_port_t serial_hw_io_addr[] = { 0x1fd003f8 }; +#define GRUB_SERIAL_PORT_NUM (ARRAY_SIZE(serial_hw_io_addr)) +#elif defined (GRUB_MACHINE_MIPS_QEMU_R4K) static const grub_port_t serial_hw_io_addr[] = { 0x140003f8 }; #define GRUB_SERIAL_PORT_NUM (ARRAY_SIZE(serial_hw_io_addr)) #else