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Add new defines GRUB_RSDP_SIGNATURE_SIZE and GRUB_RSDP_SIGNATURE.

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Vladimir 'phcoder' Serbinenko committed 2013-04-05 10:56:43 +02:00
1 parent 52eab6562d
commit ce7d92a9f2
4 files changed
+17 -10
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grub-core/commands/acpi.c
+5 -5
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@@ -217,7 +217,7 @@ grub_acpi_create_ebda (void)
{
grub_dprintf ("acpi", "Scanning EBDA for old rsdpv2\n");
for (; target < targetebda + 0x400 - v2->length; target += 0x10)
if (grub_memcmp (target, "RSD PTR ", 8) == 0
if (grub_memcmp (target, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0
&& grub_byte_checksum (target,
sizeof (struct grub_acpi_rsdp_v10)) == 0
&& ((struct grub_acpi_rsdp_v10 *) target)->revision != 0
@@ -238,7 +238,7 @@ grub_acpi_create_ebda (void)
grub_dprintf ("acpi", "Scanning EBDA for old rsdpv1\n");
for (; target < targetebda + 0x400 - sizeof (struct grub_acpi_rsdp_v10);
target += 0x10)
if (grub_memcmp (target, "RSD PTR ", 8) == 0
if (grub_memcmp (target, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0
&& grub_byte_checksum (target,
sizeof (struct grub_acpi_rsdp_v10)) == 0)
{
@@ -299,7 +299,7 @@ grub_acpi_create_ebda (void)
for (target = targetebda;
target < targetebda + 0x400 - sizeof (struct grub_acpi_rsdp_v10);
target += 0x10)
if (grub_memcmp (target, "RSD PTR ", 8) == 0
if (grub_memcmp (target, GRUB_RSDP_SIGNATURE, GRUB_RSDP_SIGNATURE_SIZE) == 0
&& grub_byte_checksum (target,
sizeof (struct grub_acpi_rsdp_v10)) == 0
&& target != v1inebda && target != v2inebda)
@@ -394,7 +394,7 @@ setv1table (void)
/* Create RSDP. */
rsdpv1_new = (struct grub_acpi_rsdp_v10 *) playground_ptr;
playground_ptr += sizeof (struct grub_acpi_rsdp_v10);
grub_memcpy (&(rsdpv1_new->signature), "RSD PTR ",
grub_memcpy (&(rsdpv1_new->signature), GRUB_RSDP_SIGNATURE,
sizeof (rsdpv1_new->signature));
grub_memcpy (&(rsdpv1_new->oemid), root_oemid, sizeof (rsdpv1_new->oemid));
rsdpv1_new->revision = 0;
@@ -438,7 +438,7 @@ setv2table (void)
/* Create RSDPv2. */
rsdpv2_new = (struct grub_acpi_rsdp_v20 *) playground_ptr;
playground_ptr += sizeof (struct grub_acpi_rsdp_v20);
grub_memcpy (&(rsdpv2_new->rsdpv1.signature), "RSD PTR ",
grub_memcpy (&(rsdpv2_new->rsdpv1.signature), GRUB_RSDP_SIGNATURE,
sizeof (rsdpv2_new->rsdpv1.signature));
grub_memcpy (&(rsdpv2_new->rsdpv1.oemid), root_oemid,
sizeof (rsdpv2_new->rsdpv1.oemid));