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-rw-r--r--grub-core/efiemu/i386/coredetect.c27
-rw-r--r--grub-core/efiemu/i386/loadcore32.c121
-rw-r--r--grub-core/efiemu/i386/loadcore64.c138
-rw-r--r--grub-core/efiemu/i386/nocfgtables.c30
-rw-r--r--grub-core/efiemu/i386/pc/cfgtables.c69
5 files changed, 385 insertions, 0 deletions
diff --git a/grub-core/efiemu/i386/coredetect.c b/grub-core/efiemu/i386/coredetect.c
new file mode 100644
index 0000000..a262b53
--- /dev/null
+++ b/grub-core/efiemu/i386/coredetect.c
@@ -0,0 +1,27 @@
+/*
+ * 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/efiemu/efiemu.h>
+#include <grub/command.h>
+#include <grub/i386/cpuid.h>
+
+const char *
+grub_efiemu_get_default_core_name (void)
+{
+ return grub_cpuid_has_longmode ? "efiemu64.o" : "efiemu32.o";
+}
diff --git a/grub-core/efiemu/i386/loadcore32.c b/grub-core/efiemu/i386/loadcore32.c
new file mode 100644
index 0000000..e746df8
--- /dev/null
+++ b/grub-core/efiemu/i386/loadcore32.c
@@ -0,0 +1,121 @@
+/* i386 CPU-specific part of loadcore.c for 32-bit mode */
+/*
+ * 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/err.h>
+#include <grub/mm.h>
+#include <grub/misc.h>
+#include <grub/efiemu/efiemu.h>
+#include <grub/cpu/efiemu.h>
+#include <grub/elf.h>
+#include <grub/i18n.h>
+
+/* Check if EHDR is a valid ELF header. */
+int
+grub_arch_efiemu_check_header32 (void *ehdr)
+{
+ Elf32_Ehdr *e = ehdr;
+
+ /* Check the magic numbers. */
+ return (e->e_ident[EI_CLASS] == ELFCLASS32
+ && e->e_ident[EI_DATA] == ELFDATA2LSB
+ && e->e_machine == EM_386);
+}
+
+/* Relocate symbols. */
+grub_err_t
+grub_arch_efiemu_relocate_symbols32 (grub_efiemu_segment_t segs,
+ struct grub_efiemu_elf_sym *elfsyms,
+ void *ehdr)
+{
+ unsigned i;
+ Elf32_Ehdr *e = ehdr;
+ Elf32_Shdr *s;
+ grub_err_t err;
+
+ grub_dprintf ("efiemu", "relocating symbols %d %d\n",
+ e->e_shoff, e->e_shnum);
+
+ for (i = 0, s = (Elf32_Shdr *) ((char *) e + e->e_shoff);
+ i < e->e_shnum;
+ i++, s = (Elf32_Shdr *) ((char *) s + e->e_shentsize))
+ if (s->sh_type == SHT_REL)
+ {
+ grub_efiemu_segment_t seg;
+ grub_dprintf ("efiemu", "shtrel\n");
+
+ /* Find the target segment. */
+ for (seg = segs; seg; seg = seg->next)
+ if (seg->section == s->sh_info)
+ break;
+
+ if (seg)
+ {
+ Elf32_Rel *rel, *max;
+
+ for (rel = (Elf32_Rel *) ((char *) e + s->sh_offset),
+ max = rel + s->sh_size / s->sh_entsize;
+ rel < max;
+ rel++)
+ {
+ Elf32_Word *addr;
+ struct grub_efiemu_elf_sym sym;
+ if (seg->size < rel->r_offset)
+ return grub_error (GRUB_ERR_BAD_MODULE,
+ "reloc offset is out of the segment");
+
+ addr = (Elf32_Word *)
+ ((char *) grub_efiemu_mm_obtain_request (seg->handle)
+ + seg->off + rel->r_offset);
+ sym = elfsyms[ELF32_R_SYM (rel->r_info)];
+
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_386_32:
+ err = grub_efiemu_write_value (addr, sym.off + *addr,
+ sym.handle, 0,
+ seg->ptv_rel_needed,
+ sizeof (grub_uint32_t));
+ if (err)
+ return err;
+
+ break;
+
+ case R_386_PC32:
+ err = grub_efiemu_write_value (addr, sym.off + *addr
+ - rel->r_offset
+ - seg->off, sym.handle,
+ seg->handle,
+ seg->ptv_rel_needed,
+ sizeof (grub_uint32_t));
+ if (err)
+ return err;
+ break;
+ default:
+ return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
+ N_("relocation 0x%x is not implemented yet"),
+ ELF_R_TYPE (rel->r_info));
+ }
+ }
+ }
+ }
+
+ return GRUB_ERR_NONE;
+}
+
+
diff --git a/grub-core/efiemu/i386/loadcore64.c b/grub-core/efiemu/i386/loadcore64.c
new file mode 100644
index 0000000..ae476ef
--- /dev/null
+++ b/grub-core/efiemu/i386/loadcore64.c
@@ -0,0 +1,138 @@
+/* i386 CPU-specific part of loadcore.c for 32-bit mode */
+/*
+ * 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/err.h>
+#include <grub/mm.h>
+#include <grub/misc.h>
+#include <grub/efiemu/efiemu.h>
+#include <grub/cpu/efiemu.h>
+#include <grub/elf.h>
+#include <grub/i18n.h>
+
+/* Check if EHDR is a valid ELF header. */
+int
+grub_arch_efiemu_check_header64 (void *ehdr)
+{
+ Elf64_Ehdr *e = ehdr;
+
+ return (e->e_ident[EI_CLASS] == ELFCLASS64
+ && e->e_ident[EI_DATA] == ELFDATA2LSB
+ && e->e_machine == EM_X86_64);
+}
+
+/* Relocate symbols. */
+grub_err_t
+grub_arch_efiemu_relocate_symbols64 (grub_efiemu_segment_t segs,
+ struct grub_efiemu_elf_sym *elfsyms,
+ void *ehdr)
+{
+ unsigned i;
+ Elf64_Ehdr *e = ehdr;
+ Elf64_Shdr *s;
+ grub_err_t err;
+
+ for (i = 0, s = (Elf64_Shdr *) ((char *) e + e->e_shoff);
+ i < e->e_shnum;
+ i++, s = (Elf64_Shdr *) ((char *) s + e->e_shentsize))
+ if (s->sh_type == SHT_RELA)
+ {
+ grub_efiemu_segment_t seg;
+ grub_dprintf ("efiemu", "shtrel\n");
+
+ /* Find the target segment. */
+ for (seg = segs; seg; seg = seg->next)
+ if (seg->section == s->sh_info)
+ break;
+
+ if (seg)
+ {
+ Elf64_Rela *rel, *max;
+
+ for (rel = (Elf64_Rela *) ((char *) e + s->sh_offset),
+ max = rel + (unsigned long) s->sh_size
+ / (unsigned long)s->sh_entsize;
+ rel < max;
+ rel++)
+ {
+ void *addr;
+ grub_uint32_t *addr32;
+ grub_uint64_t *addr64;
+ struct grub_efiemu_elf_sym sym;
+ if (seg->size < rel->r_offset)
+ return grub_error (GRUB_ERR_BAD_MODULE,
+ "reloc offset is out of the segment");
+
+ addr =
+ ((char *) grub_efiemu_mm_obtain_request (seg->handle)
+ + seg->off + rel->r_offset);
+ addr32 = (grub_uint32_t *) addr;
+ addr64 = (grub_uint64_t *) addr;
+ sym = elfsyms[ELF64_R_SYM (rel->r_info)];
+
+ switch (ELF64_R_TYPE (rel->r_info))
+ {
+ case R_X86_64_64:
+ err = grub_efiemu_write_value (addr,
+ *addr64 + rel->r_addend
+ + sym.off, sym.handle,
+ 0, seg->ptv_rel_needed,
+ sizeof (grub_uint64_t));
+ if (err)
+ return err;
+ break;
+
+ case R_X86_64_PC32:
+ case R_X86_64_PLT32:
+ err = grub_efiemu_write_value (addr,
+ *addr32 + rel->r_addend
+ + sym.off
+ - rel->r_offset - seg->off,
+ sym.handle, seg->handle,
+ seg->ptv_rel_needed,
+ sizeof (grub_uint32_t));
+ if (err)
+ return err;
+ break;
+
+ case R_X86_64_32:
+ case R_X86_64_32S:
+ err = grub_efiemu_write_value (addr,
+ *addr32 + rel->r_addend
+ + sym.off, sym.handle,
+ 0, seg->ptv_rel_needed,
+ sizeof (grub_uint32_t));
+ if (err)
+ return err;
+ break;
+ default:
+ {
+ char rel_info[17]; /* log16(2^64) = 16, plus NUL. */
+
+ grub_snprintf (rel_info, sizeof (rel_info) - 1, "%" PRIxGRUB_UINT64_T,
+ ELF_R_TYPE (rel->r_info));
+ return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
+ N_("relocation 0x%s is not implemented yet"), rel_info);
+ }
+ }
+ }
+ }
+ }
+
+ return GRUB_ERR_NONE;
+}
diff --git a/grub-core/efiemu/i386/nocfgtables.c b/grub-core/efiemu/i386/nocfgtables.c
new file mode 100644
index 0000000..775f1d0
--- /dev/null
+++ b/grub-core/efiemu/i386/nocfgtables.c
@@ -0,0 +1,30 @@
+/* Register SMBIOS and ACPI tables. */
+/*
+ * 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/err.h>
+#include <grub/efiemu/efiemu.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/acpi.h>
+
+grub_err_t
+grub_machine_efiemu_init_tables (void)
+{
+ return GRUB_ERR_NONE;
+}
diff --git a/grub-core/efiemu/i386/pc/cfgtables.c b/grub-core/efiemu/i386/pc/cfgtables.c
new file mode 100644
index 0000000..e5fffb7
--- /dev/null
+++ b/grub-core/efiemu/i386/pc/cfgtables.c
@@ -0,0 +1,69 @@
+/* Register SMBIOS and ACPI tables. */
+/*
+ * 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/err.h>
+#include <grub/efiemu/efiemu.h>
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/acpi.h>
+#include <grub/smbios.h>
+
+grub_err_t
+grub_machine_efiemu_init_tables (void)
+{
+ void *table;
+ grub_err_t err;
+ grub_efi_guid_t smbios = GRUB_EFI_SMBIOS_TABLE_GUID;
+ grub_efi_guid_t acpi20 = GRUB_EFI_ACPI_20_TABLE_GUID;
+ grub_efi_guid_t acpi = GRUB_EFI_ACPI_TABLE_GUID;
+
+ err = grub_efiemu_unregister_configuration_table (smbios);
+ if (err)
+ return err;
+ err = grub_efiemu_unregister_configuration_table (acpi);
+ if (err)
+ return err;
+ err = grub_efiemu_unregister_configuration_table (acpi20);
+ if (err)
+ return err;
+
+ table = grub_acpi_get_rsdpv1 ();
+ if (table)
+ {
+ err = grub_efiemu_register_configuration_table (acpi, 0, 0, table);
+ if (err)
+ return err;
+ }
+ table = grub_acpi_get_rsdpv2 ();
+ if (table)
+ {
+ err = grub_efiemu_register_configuration_table (acpi20, 0, 0, table);
+ if (err)
+ return err;
+ }
+ table = grub_smbios_get_eps ();
+ if (table)
+ {
+ err = grub_efiemu_register_configuration_table (smbios, 0, 0, table);
+ if (err)
+ return err;
+ }
+
+ return GRUB_ERR_NONE;
+}
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