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-rw-r--r--grub-core/lib/mips/arc/reboot.c35
-rw-r--r--grub-core/lib/mips/loongson/reboot.c64
-rw-r--r--grub-core/lib/mips/qemu_mips/reboot.c27
-rw-r--r--grub-core/lib/mips/relocator.c147
-rw-r--r--grub-core/lib/mips/relocator_asm.S61
-rw-r--r--grub-core/lib/mips/setjmp.S71
6 files changed, 405 insertions, 0 deletions
diff --git a/grub-core/lib/mips/arc/reboot.c b/grub-core/lib/mips/arc/reboot.c
new file mode 100644
index 0000000..ecf12a7
--- /dev/null
+++ b/grub-core/lib/mips/arc/reboot.c
@@ -0,0 +1,35 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2011 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/arc/arc.h>
+#include <grub/misc.h>
+#include <grub/time.h>
+#include <grub/term.h>
+#include <grub/i18n.h>
+
+void
+grub_reboot (void)
+{
+ GRUB_ARC_FIRMWARE_VECTOR->restart ();
+
+ grub_millisleep (1500);
+
+ grub_puts_ (N_("Reboot failed"));
+ grub_refresh ();
+ while (1);
+}
diff --git a/grub-core/lib/mips/loongson/reboot.c b/grub-core/lib/mips/loongson/reboot.c
new file mode 100644
index 0000000..a20e574
--- /dev/null
+++ b/grub-core/lib/mips/loongson/reboot.c
@@ -0,0 +1,64 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2011 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/machine/ec.h>
+#include <grub/machine/kernel.h>
+#include <grub/machine/memory.h>
+#include <grub/misc.h>
+#include <grub/pci.h>
+#include <grub/cs5536.h>
+#include <grub/time.h>
+#include <grub/term.h>
+#include <grub/i18n.h>
+
+void
+grub_reboot (void)
+{
+ switch (grub_arch_machine)
+ {
+ case GRUB_ARCH_MACHINE_FULOONG2E:
+ grub_outl (grub_inl (0xbfe00104) & ~4, 0xbfe00104);
+ grub_outl (grub_inl (0xbfe00104) | 4, 0xbfe00104);
+ break;
+ case GRUB_ARCH_MACHINE_FULOONG2F:
+ {
+ grub_pci_device_t dev;
+ if (!grub_cs5536_find (&dev))
+ break;
+ grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_RESET,
+ grub_cs5536_read_msr (dev,
+ GRUB_CS5536_MSR_DIVIL_RESET)
+ | 1);
+ break;
+ }
+ case GRUB_ARCH_MACHINE_YEELOONG:
+ grub_write_ec (GRUB_MACHINE_EC_COMMAND_REBOOT);
+ break;
+ case GRUB_ARCH_MACHINE_YEELOONG_3A:
+ grub_millisleep (1);
+ grub_outb (0x4e, GRUB_MACHINE_PCI_IO_BASE_3A | 0x66);
+ grub_millisleep (1);
+ grub_outb (1, GRUB_MACHINE_PCI_IO_BASE_3A | 0x62);
+ grub_millisleep (5000);
+ }
+ grub_millisleep (1500);
+
+ grub_puts_ (N_("Reboot failed"));
+ grub_refresh ();
+ while (1);
+}
diff --git a/grub-core/lib/mips/qemu_mips/reboot.c b/grub-core/lib/mips/qemu_mips/reboot.c
new file mode 100644
index 0000000..ba0f6ac
--- /dev/null
+++ b/grub-core/lib/mips/qemu_mips/reboot.c
@@ -0,0 +1,27 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2011 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/misc.h>
+#include <grub/cpu/io.h>
+
+void
+grub_reboot (void)
+{
+ grub_outl (42, 0xbfbf0000);
+ while (1);
+}
diff --git a/grub-core/lib/mips/relocator.c b/grub-core/lib/mips/relocator.c
new file mode 100644
index 0000000..743b213
--- /dev/null
+++ b/grub-core/lib/mips/relocator.c
@@ -0,0 +1,147 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/mm.h>
+#include <grub/misc.h>
+
+#include <grub/types.h>
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/cache.h>
+
+#include <grub/mips/relocator.h>
+#include <grub/relocator_private.h>
+
+/* Do we need mips64? */
+
+extern grub_uint8_t grub_relocator_forward_start;
+extern grub_uint8_t grub_relocator_forward_end;
+extern grub_uint8_t grub_relocator_backward_start;
+extern grub_uint8_t grub_relocator_backward_end;
+
+#define REGW_SIZEOF (2 * sizeof (grub_uint32_t))
+#define JUMP_SIZEOF (2 * sizeof (grub_uint32_t))
+
+#define RELOCATOR_SRC_SIZEOF(x) (&grub_relocator_##x##_end \
+ - &grub_relocator_##x##_start)
+#define RELOCATOR_SIZEOF(x) (RELOCATOR_SRC_SIZEOF(x) \
+ + REGW_SIZEOF * 3)
+grub_size_t grub_relocator_align = sizeof (grub_uint32_t);
+grub_size_t grub_relocator_forward_size;
+grub_size_t grub_relocator_backward_size;
+grub_size_t grub_relocator_jumper_size = JUMP_SIZEOF + REGW_SIZEOF;
+
+void
+grub_cpu_relocator_init (void)
+{
+ grub_relocator_forward_size = RELOCATOR_SIZEOF(forward);
+ grub_relocator_backward_size = RELOCATOR_SIZEOF(backward);
+}
+
+static void
+write_reg (int regn, grub_uint32_t val, void **target)
+{
+ /* lui $r, (val+0x8000). */
+ *(grub_uint32_t *) *target = ((0x3c00 | regn) << 16) | ((val + 0x8000) >> 16);
+ *target = ((grub_uint32_t *) *target) + 1;
+ /* addiu $r, $r, val. */
+ *(grub_uint32_t *) *target = (((0x2400 | regn << 5 | regn) << 16)
+ | (val & 0xffff));
+ *target = ((grub_uint32_t *) *target) + 1;
+}
+
+static void
+write_jump (int regn, void **target)
+{
+ /* j $r. */
+ *(grub_uint32_t *) *target = (regn<<21) | 0x8;
+ *target = ((grub_uint32_t *) *target) + 1;
+ /* nop. */
+ *(grub_uint32_t *) *target = 0;
+ *target = ((grub_uint32_t *) *target) + 1;
+}
+
+void
+grub_cpu_relocator_jumper (void *rels, grub_addr_t addr)
+{
+ write_reg (1, addr, &rels);
+ write_jump (1, &rels);
+}
+
+void
+grub_cpu_relocator_backward (void *ptr0, void *src, void *dest,
+ grub_size_t size)
+{
+ void *ptr = ptr0;
+ write_reg (8, (grub_uint32_t) src, &ptr);
+ write_reg (9, (grub_uint32_t) dest, &ptr);
+ write_reg (10, (grub_uint32_t) size, &ptr);
+ grub_memcpy (ptr, &grub_relocator_backward_start,
+ RELOCATOR_SRC_SIZEOF (backward));
+}
+
+void
+grub_cpu_relocator_forward (void *ptr0, void *src, void *dest,
+ grub_size_t size)
+{
+ void *ptr = ptr0;
+ write_reg (8, (grub_uint32_t) src, &ptr);
+ write_reg (9, (grub_uint32_t) dest, &ptr);
+ write_reg (10, (grub_uint32_t) size, &ptr);
+ grub_memcpy (ptr, &grub_relocator_forward_start,
+ RELOCATOR_SRC_SIZEOF (forward));
+}
+
+grub_err_t
+grub_relocator32_boot (struct grub_relocator *rel,
+ struct grub_relocator32_state state)
+{
+ grub_relocator_chunk_t ch;
+ void *ptr;
+ grub_err_t err;
+ void *relst;
+ grub_size_t relsize;
+ grub_size_t stateset_size = 31 * REGW_SIZEOF + JUMP_SIZEOF;
+ unsigned i;
+ grub_addr_t vtarget;
+
+ err = grub_relocator_alloc_chunk_align (rel, &ch, 0, UP_TO_TOP32 (stateset_size),
+ stateset_size, sizeof (grub_uint32_t),
+ GRUB_RELOCATOR_PREFERENCE_NONE, 0);
+ if (err)
+ return err;
+
+ ptr = get_virtual_current_address (ch);
+ for (i = 1; i < 32; i++)
+ write_reg (i, state.gpr[i], &ptr);
+ write_jump (state.jumpreg, &ptr);
+
+ vtarget = (grub_addr_t) grub_map_memory (get_physical_target_address (ch),
+ stateset_size);
+
+ err = grub_relocator_prepare_relocs (rel, vtarget, &relst, &relsize);
+ if (err)
+ return err;
+
+ grub_arch_sync_caches ((void *) relst, relsize);
+
+ ((void (*) (void)) relst) ();
+
+ /* Not reached. */
+ return GRUB_ERR_NONE;
+}
diff --git a/grub-core/lib/mips/relocator_asm.S b/grub-core/lib/mips/relocator_asm.S
new file mode 100644
index 0000000..1d142a4
--- /dev/null
+++ b/grub-core/lib/mips/relocator_asm.S
@@ -0,0 +1,61 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/symbol.h>
+
+ .p2align 4 /* force 16-byte alignment */
+
+ .set noreorder
+ .set nomacro
+
+VARIABLE (grub_relocator_forward_start)
+ move $a0, $9
+ move $a1, $10
+
+copycont1:
+ lb $11,0($8)
+ sb $11,0($9)
+ addiu $8, $8, 1
+ addiu $10, $10, -1
+ bne $10, $0, copycont1
+ addiu $9, $9, 1
+
+#include "../../kern/mips/cache_flush.S"
+
+VARIABLE (grub_relocator_forward_end)
+
+VARIABLE (grub_relocator_backward_start)
+ move $a0, $9
+ move $a1, $10
+
+ addu $9, $9, $10
+ addu $8, $8, $10
+ /* Backward movsl is implicitly off-by-one. compensate that. */
+ addiu $9, $9, -1
+ addiu $8, $8, -1
+copycont2:
+ lb $11,0($8)
+ sb $11,0($9)
+ addiu $8, $8, -1
+ addiu $10, $10, -1
+ bne $10, $0, copycont2
+ addiu $9, $9, -1
+
+#include "../../kern/mips/cache_flush.S"
+
+VARIABLE (grub_relocator_backward_end)
diff --git a/grub-core/lib/mips/setjmp.S b/grub-core/lib/mips/setjmp.S
new file mode 100644
index 0000000..895235b
--- /dev/null
+++ b/grub-core/lib/mips/setjmp.S
@@ -0,0 +1,71 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2003,2007,2009 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/symbol.h>
+#include <grub/dl.h>
+#include <grub/mips/asm.h>
+
+ .file "setjmp.S"
+
+GRUB_MOD_LICENSE "GPLv3+"
+
+ .text
+
+/*
+ * int grub_setjmp (grub_jmp_buf env)
+ */
+FUNCTION(grub_setjmp)
+ GRUB_ASM_REG_S $s0, 0($a0)
+ GRUB_ASM_REG_S $s1, 8($a0)
+ GRUB_ASM_REG_S $s2, 16($a0)
+ GRUB_ASM_REG_S $s3, 24($a0)
+ GRUB_ASM_REG_S $s4, 32($a0)
+ GRUB_ASM_REG_S $s5, 40($a0)
+ GRUB_ASM_REG_S $s6, 48($a0)
+ GRUB_ASM_REG_S $s7, 56($a0)
+ GRUB_ASM_REG_S $s8, 64($a0)
+ GRUB_ASM_REG_S $gp, 72($a0)
+ GRUB_ASM_REG_S $sp, 80($a0)
+ GRUB_ASM_REG_S $ra, 88($a0)
+ move $v0, $zero
+ move $v1, $zero
+ jr $ra
+ nop
+/*
+ * int grub_longjmp (grub_jmp_buf env, int val)
+ */
+FUNCTION(grub_longjmp)
+ GRUB_ASM_REG_L $s0, 0($a0)
+ GRUB_ASM_REG_L $s1, 8($a0)
+ GRUB_ASM_REG_L $s2, 16($a0)
+ GRUB_ASM_REG_L $s3, 24($a0)
+ GRUB_ASM_REG_L $s4, 32($a0)
+ GRUB_ASM_REG_L $s5, 40($a0)
+ GRUB_ASM_REG_L $s6, 48($a0)
+ GRUB_ASM_REG_L $s7, 56($a0)
+ GRUB_ASM_REG_L $s8, 64($a0)
+ GRUB_ASM_REG_L $gp, 72($a0)
+ GRUB_ASM_REG_L $sp, 80($a0)
+ GRUB_ASM_REG_L $ra, 88($a0)
+ move $v0, $a1
+ bne $v0, $zero, 1f
+ addiu $v0, $v0, 1
+1:
+ move $v1, $zero
+ jr $ra
+ nop
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