Support v2 xnu boot arguments.
* grub-core/loader/i386/xnu.c (grub_cpu_xnu_fill_devicetree): New argument fsbfreq_out. (grub_xnu_set_video): Receive an argument grub_xnu_boot_params_common. (grub_xnu_boot): Support v2 arguments. Disable PIC so that APIC can be used. * grub-core/loader/machoXX.c (grub_macho_load): New argument darwin_version. * grub-core/loader/xnu.c (grub_xnu_darwin_version): New variable. * include/grub/i386/xnu.h (grub_xnu_boot_params_common): New struct. (grub_xnu_boot_params): Rename to ... (grub_xnu_boot_params_v1): ...this. Use grub_xnu_boot_params_common. (grub_xnu_boot_params_v2): New struct.
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
dc693fe67c
commit
83ddae2333
7 changed files with 154 additions and 52 deletions
17
ChangeLog
17
ChangeLog
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@ -1,3 +1,20 @@
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2012-02-27 Vladimir Serbinenko <phcoder@gmail.com>
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Support v2 xnu boot arguments.
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* grub-core/loader/i386/xnu.c (grub_cpu_xnu_fill_devicetree):
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New argument fsbfreq_out.
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(grub_xnu_set_video): Receive an argument grub_xnu_boot_params_common.
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(grub_xnu_boot): Support v2 arguments. Disable PIC so that APIC can
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be used.
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* grub-core/loader/machoXX.c (grub_macho_load): New argument
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darwin_version.
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* grub-core/loader/xnu.c (grub_xnu_darwin_version): New variable.
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* include/grub/i386/xnu.h (grub_xnu_boot_params_common): New struct.
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(grub_xnu_boot_params): Rename to ...
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(grub_xnu_boot_params_v1): ...this. Use grub_xnu_boot_params_common.
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(grub_xnu_boot_params_v2): New struct.
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2012-02-27 Vladimir Serbinenko <phcoder@gmail.com>
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* grub-core/efiemu/prepare.c (grub_efiemu_crc): Add missing
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@ -33,6 +33,7 @@
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#include <grub/command.h>
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#include <grub/i18n.h>
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#include <grub/bitmap_scale.h>
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#include <grub/cpu/io.h>
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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@ -623,8 +624,8 @@ grub_cmd_devprop_load (grub_command_t cmd __attribute__ ((unused)),
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/* Fill device tree. */
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/* FIXME: some entries may be platform-agnostic. Move them to loader/xnu.c. */
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grub_err_t
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grub_cpu_xnu_fill_devicetree (void)
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static grub_err_t
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grub_cpu_xnu_fill_devicetree (grub_uint64_t *fsbfreq_out)
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{
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struct grub_xnu_devtree_key *efikey;
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struct grub_xnu_devtree_key *cfgtablekey;
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@ -702,13 +703,14 @@ grub_cpu_xnu_fill_devicetree (void)
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/* First see if user supplies the value. */
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const char *fsbvar = grub_env_get ("fsb");
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if (! fsbvar)
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*((grub_uint64_t *) curval->data) = 0;
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else
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*((grub_uint64_t *) curval->data) = readfrequency (fsbvar);
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grub_uint64_t fsbfreq = 0;
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if (fsbvar)
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fsbfreq = readfrequency (fsbvar);
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/* Try autodetect. */
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if (! *((grub_uint64_t *) curval->data))
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*((grub_uint64_t *) curval->data) = guessfsb ();
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if (! fsbfreq)
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fsbfreq = guessfsb ();
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*((grub_uint64_t *) curval->data) = fsbfreq;
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*fsbfreq_out = fsbfreq;
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grub_dprintf ("xnu", "fsb autodetected as %llu\n",
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(unsigned long long) *((grub_uint64_t *) curval->data));
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@ -845,7 +847,7 @@ grub_xnu_boot_resume (void)
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/* Setup video for xnu. */
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static grub_err_t
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grub_xnu_set_video (struct grub_xnu_boot_params *params)
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grub_xnu_set_video (struct grub_xnu_boot_params_common *params)
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{
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struct grub_video_mode_info mode_info;
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char *tmp;
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@ -950,7 +952,8 @@ grub_xnu_set_video (struct grub_xnu_boot_params *params)
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grub_err_t
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grub_xnu_boot (void)
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{
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struct grub_xnu_boot_params *bootparams;
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union grub_xnu_boot_params_any *bootparams;
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struct grub_xnu_boot_params_common *bootparams_common;
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void *bp_in;
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grub_addr_t bootparams_target;
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grub_err_t err;
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@ -966,6 +969,9 @@ grub_xnu_boot (void)
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grub_size_t devtreelen;
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int i;
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struct grub_relocator32_state state;
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grub_uint64_t fsbfreq;
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int v2 = (grub_xnu_darwin_version >= 11);
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grub_uint32_t efi_system_table = 0;
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err = grub_autoefi_prepare ();
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if (err)
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@ -975,7 +981,7 @@ grub_xnu_boot (void)
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if (err)
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return err;
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err = grub_cpu_xnu_fill_devicetree ();
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err = grub_cpu_xnu_fill_devicetree (&fsbfreq);
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if (err)
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return err;
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@ -995,7 +1001,8 @@ grub_xnu_boot (void)
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descriptor_size = 0;
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descriptor_version = 0;
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grub_dprintf ("xnu", "eip=%x\n", grub_xnu_entry_point);
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grub_dprintf ("xnu", "eip=%x, efi=%x\n", grub_xnu_entry_point,
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(int) grub_autoefi_system_table);
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const char *debug = grub_env_get ("debug");
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@ -1012,20 +1019,29 @@ grub_xnu_boot (void)
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return err;
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bootparams = bp_in;
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grub_memset (bootparams, 0, sizeof (*bootparams));
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if (v2)
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{
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bootparams_common = &bootparams->v2.common;
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bootparams->v2.fsbfreq = fsbfreq;
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}
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else
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bootparams_common = &bootparams->v1.common;
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/* Set video. */
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err = grub_xnu_set_video (bootparams);
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err = grub_xnu_set_video (bootparams_common);
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if (err != GRUB_ERR_NONE)
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{
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grub_print_error ();
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grub_errno = GRUB_ERR_NONE;
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grub_puts_ (N_("Booting in blind mode"));
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bootparams->lfb_mode = 0;
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bootparams->lfb_width = 0;
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bootparams->lfb_height = 0;
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bootparams->lfb_depth = 0;
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bootparams->lfb_line_len = 0;
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bootparams->lfb_base = 0;
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bootparams_common->lfb_mode = 0;
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bootparams_common->lfb_width = 0;
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bootparams_common->lfb_height = 0;
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bootparams_common->lfb_depth = 0;
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bootparams_common->lfb_line_len = 0;
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bootparams_common->lfb_base = 0;
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}
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if (grub_autoefi_get_memory_map (&memory_map_size, memory_map,
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@ -1045,11 +1061,11 @@ grub_xnu_boot (void)
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if (err)
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return err;
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grub_memcpy (bootparams->cmdline, grub_xnu_cmdline,
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sizeof (bootparams->cmdline));
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grub_memcpy (bootparams_common->cmdline, grub_xnu_cmdline,
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sizeof (bootparams_common->cmdline));
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bootparams->devtree = devtree_target;
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bootparams->devtreelen = devtreelen;
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bootparams_common->devtree = devtree_target;
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bootparams_common->devtreelen = devtreelen;
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err = grub_autoefi_finish_boot_services (&memory_map_size, memory_map,
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&map_key, &descriptor_size,
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@ -1057,7 +1073,10 @@ grub_xnu_boot (void)
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if (err)
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return err;
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bootparams->efi_system_table = (grub_addr_t) grub_autoefi_system_table;
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if (v2)
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bootparams->v2.efi_system_table = (grub_addr_t) grub_autoefi_system_table;
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else
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bootparams->v1.efi_system_table = (grub_addr_t) grub_autoefi_system_table;
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firstruntimepage = (((grub_addr_t) grub_xnu_heap_target_start
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+ grub_xnu_heap_size + GRUB_XNU_PAGESIZE - 1)
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@ -1080,7 +1099,7 @@ grub_xnu_boot (void)
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<= (grub_addr_t) grub_autoefi_system_table
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&& curdesc->physical_start + (curdesc->num_pages << 12)
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> (grub_addr_t) grub_autoefi_system_table)
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bootparams->efi_system_table
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efi_system_table
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= (grub_addr_t) grub_autoefi_system_table
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- curdesc->physical_start + curdesc->virtual_start;
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if (SIZEOF_OF_UINTN == 8 && grub_xnu_is_64bit)
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@ -1090,24 +1109,33 @@ grub_xnu_boot (void)
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lastruntimepage = curruntimepage;
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bootparams->efi_mmap = memory_map_target;
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bootparams->efi_mmap_size = memory_map_size;
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bootparams->efi_mem_desc_size = descriptor_size;
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bootparams->efi_mem_desc_version = descriptor_version;
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if (v2)
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{
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bootparams->v2.efi_uintnbits = SIZEOF_OF_UINTN * 8;
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bootparams->v2.verminor = GRUB_XNU_BOOTARGSV2_VERMINOR;
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bootparams->v2.vermajor = GRUB_XNU_BOOTARGSV2_VERMAJOR;
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bootparams->v2.efi_system_table = efi_system_table;
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}
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else
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{
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bootparams->v1.efi_uintnbits = SIZEOF_OF_UINTN * 8;
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bootparams->v1.verminor = GRUB_XNU_BOOTARGSV1_VERMINOR;
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bootparams->v1.vermajor = GRUB_XNU_BOOTARGSV1_VERMAJOR;
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bootparams->v1.efi_system_table = efi_system_table;
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}
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bootparams->heap_start = grub_xnu_heap_target_start;
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bootparams->heap_size = grub_xnu_heap_size;
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bootparams->efi_runtime_first_page = firstruntimepage;
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bootparams->efi_runtime_npages = lastruntimepage - firstruntimepage;
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bootparams->efi_uintnbits = SIZEOF_OF_UINTN * 8;
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bootparams->verminor = GRUB_XNU_BOOTARGS_VERMINOR;
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bootparams->vermajor = GRUB_XNU_BOOTARGS_VERMAJOR;
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bootparams_common->efi_runtime_first_page = firstruntimepage;
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bootparams_common->efi_runtime_npages = lastruntimepage - firstruntimepage;
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bootparams_common->efi_mem_desc_size = descriptor_size;
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bootparams_common->efi_mem_desc_version = descriptor_version;
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bootparams_common->efi_mmap = memory_map_target;
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bootparams_common->efi_mmap_size = memory_map_size;
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bootparams_common->heap_start = grub_xnu_heap_target_start;
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bootparams_common->heap_size = grub_xnu_heap_size;
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/* Parameters for asm helper. */
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grub_xnu_stack = bootparams->heap_start
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+ bootparams->heap_size + GRUB_XNU_PAGESIZE;
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grub_xnu_stack = bootparams_common->heap_start
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+ bootparams_common->heap_size + GRUB_XNU_PAGESIZE;
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grub_xnu_arg1 = bootparams_target;
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grub_autoefi_set_virtual_address_map (memory_map_size, descriptor_size,
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@ -1117,6 +1145,11 @@ grub_xnu_boot (void)
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state.eax = grub_xnu_arg1;
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state.esp = grub_xnu_stack;
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state.ebp = grub_xnu_stack;
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/* XNU uses only APIC. Disable PIC. */
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grub_outb (0xff, 0x21);
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grub_outb (0xff, 0xa1);
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return grub_relocator32_boot (grub_xnu_relocator, state);
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}
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@ -164,7 +164,7 @@ SUFFIX (grub_macho_size) (grub_macho_t macho, grub_macho_addr_t *segments_start,
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/* Load every loadable segment into memory specified by `_load_hook'. */
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grub_err_t
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SUFFIX (grub_macho_load) (grub_macho_t macho, const char *filename,
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char *offset, int flags)
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char *offset, int flags, int *darwin_version)
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{
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auto int NESTED_FUNC_ATTR do_load(grub_macho_t _macho,
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struct grub_macho_cmd *hdr0,
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@ -201,6 +201,23 @@ SUFFIX (grub_macho_load) (grub_macho_t macho, const char *filename,
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return 1;
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}
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if (darwin_version)
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{
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const char *ptr = offset + hdr->vmaddr;
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const char *end = ptr + min (hdr->filesize, hdr->vmsize)
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- (sizeof ("Darwin Kernel Version ") - 1);
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for (; ptr < end; ptr++)
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if (grub_memcmp (ptr, "Darwin Kernel Version ",
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sizeof ("Darwin Kernel Version ") - 1) == 0)
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{
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ptr += sizeof ("Darwin Kernel Version ") - 1;
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*darwin_version = 0;
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end += (sizeof ("Darwin Kernel Version ") - 1);
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while (ptr < end && grub_isdigit (*ptr))
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*darwin_version = (*ptr++ - '0') + *darwin_version * 10;
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break;
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}
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}
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}
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if (hdr->filesize < hdr->vmsize)
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@ -209,6 +226,9 @@ SUFFIX (grub_macho_load) (grub_macho_t macho, const char *filename,
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return 0;
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}
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if (darwin_version)
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*darwin_version = 0;
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grub_macho_cmds_iterate (macho, do_load, 0);
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return grub_errno;
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@ -44,6 +44,7 @@ struct grub_xnu_devtree_key *grub_xnu_devtree_root = 0;
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static int driverspackagenum = 0;
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static int driversnum = 0;
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int grub_xnu_is_64bit = 0;
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int grub_xnu_darwin_version = 0;
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grub_addr_t grub_xnu_heap_target_start = 0;
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grub_size_t grub_xnu_heap_size = 0;
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@ -387,7 +388,7 @@ grub_cmd_xnu_kernel (grub_command_t cmd __attribute__ ((unused)),
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/* Load kernel. */
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err = grub_macho_load32 (macho, args[0], (char *) loadaddr - startcode,
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GRUB_MACHO_NOBSS);
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GRUB_MACHO_NOBSS, &grub_xnu_darwin_version);
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if (err)
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{
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grub_macho_close (macho);
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@ -500,7 +501,7 @@ grub_cmd_xnu_kernel64 (grub_command_t cmd __attribute__ ((unused)),
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/* Load kernel. */
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err = grub_macho_load64 (macho, args[0], (char *) loadaddr - startcode,
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GRUB_MACHO_NOBSS);
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GRUB_MACHO_NOBSS, &grub_xnu_darwin_version);
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if (err)
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{
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grub_macho_close (macho);
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@ -28,10 +28,8 @@
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#define GRUB_XNU_PAGESIZE 4096
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typedef grub_uint32_t grub_xnu_ptr_t;
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struct grub_xnu_boot_params
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struct grub_xnu_boot_params_common
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{
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grub_uint16_t verminor;
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grub_uint16_t vermajor;
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/* Command line passed to xnu. */
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grub_uint8_t cmdline[1024];
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@ -59,17 +57,50 @@ struct grub_xnu_boot_params
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grub_xnu_ptr_t heap_start;
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/* Last used address by kernel or boot structures minus previous value. */
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grub_uint32_t heap_size;
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/* First memory page containing runtime code or data. */
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grub_uint32_t efi_runtime_first_page;
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/* First memory page containing runtime code or data minus previous value. */
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grub_uint32_t efi_runtime_npages;
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} __attribute__ ((packed));
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struct grub_xnu_boot_params_v1
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{
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grub_uint16_t verminor;
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grub_uint16_t vermajor;
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struct grub_xnu_boot_params_common common;
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grub_uint32_t efi_system_table;
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/* Size of grub_efi_uintn_t in bits. */
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grub_uint8_t efi_uintnbits;
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} __attribute__ ((packed));
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#define GRUB_XNU_BOOTARGS_VERMINOR 5
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#define GRUB_XNU_BOOTARGS_VERMAJOR 1
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#define GRUB_XNU_BOOTARGSV1_VERMINOR 5
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#define GRUB_XNU_BOOTARGSV1_VERMAJOR 1
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struct grub_xnu_boot_params_v2
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{
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grub_uint16_t verminor;
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grub_uint16_t vermajor;
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/* Size of grub_efi_uintn_t in bits. */
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grub_uint8_t efi_uintnbits;
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grub_uint8_t unused[3];
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struct grub_xnu_boot_params_common common;
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grub_uint64_t efi_runtime_first_page_virtual;
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grub_uint32_t efi_system_table;
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grub_uint32_t unused2[11];
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grub_uint64_t fsbfreq;
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grub_uint32_t unused3[734];
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} __attribute__ ((packed));
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#define GRUB_XNU_BOOTARGSV2_VERMINOR 0
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#define GRUB_XNU_BOOTARGSV2_VERMAJOR 2
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union grub_xnu_boot_params_any
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{
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struct grub_xnu_boot_params_v1 v1;
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struct grub_xnu_boot_params_v2 v2;
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};
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struct grub_xnu_devprop_header
|
||||
{
|
||||
|
|
@ -114,5 +145,4 @@ extern grub_uint32_t grub_xnu_stack;
|
|||
extern grub_uint32_t grub_xnu_arg1;
|
||||
extern char grub_xnu_cmdline[1024];
|
||||
grub_err_t grub_xnu_boot (void);
|
||||
grub_err_t grub_cpu_xnu_fill_devicetree (void);
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -58,9 +58,9 @@ grub_uint64_t grub_macho_get_entry_point64 (grub_macho_t macho);
|
|||
/* Ignore BSS segments when loading. */
|
||||
#define GRUB_MACHO_NOBSS 0x1
|
||||
grub_err_t grub_macho_load32 (grub_macho_t macho, const char *filename,
|
||||
char *offset, int flags);
|
||||
char *offset, int flags, int *darwin_version);
|
||||
grub_err_t grub_macho_load64 (grub_macho_t macho, const char *filename,
|
||||
char *offset, int flags);
|
||||
char *offset, int flags, int *darwin_version);
|
||||
|
||||
/* Like filesize and file_read but take only 32-bit part
|
||||
for current architecture. */
|
||||
|
|
|
|||
|
|
@ -115,4 +115,5 @@ typedef enum {GRUB_XNU_BITMAP_CENTER, GRUB_XNU_BITMAP_STRETCH}
|
|||
extern grub_xnu_bitmap_mode_t grub_xnu_bitmap_mode;
|
||||
extern int grub_xnu_is_64bit;
|
||||
extern grub_addr_t grub_xnu_heap_target_start;
|
||||
extern int grub_xnu_darwin_version;
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue