diff options
Diffstat (limited to 'stand/efi/loader/arch/arm64/exec.c')
| -rw-r--r-- | stand/efi/loader/arch/arm64/exec.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/stand/efi/loader/arch/arm64/exec.c b/stand/efi/loader/arch/arm64/exec.c index 6cf4a4fd8e4d..a8cd80cd0fc6 100644 --- a/stand/efi/loader/arch/arm64/exec.c +++ b/stand/efi/loader/arch/arm64/exec.c @@ -81,6 +81,13 @@ elf64_exec(struct preloaded_file *fp) int err, revision; void (*entry)(vm_offset_t); + /* + * Report the RSDP to the kernel. The old code used the 'hints' method + * to communicate this to the kernel, but this is now considered legacy. + * Instead, move to setting different tunables that start with acpi. + * The old 'hints' can be removed before we branch for FreeBSD 15. + */ + rsdp = efi_get_table(&acpi20_guid); if (rsdp == NULL) { rsdp = efi_get_table(&acpi_guid); @@ -88,23 +95,29 @@ elf64_exec(struct preloaded_file *fp) if (rsdp != NULL) { sprintf(buf, "0x%016llx", (unsigned long long)rsdp); setenv("hint.acpi.0.rsdp", buf, 1); + setenv("acpi.rsdp", buf, 1); revision = rsdp->Revision; if (revision == 0) revision = 1; sprintf(buf, "%d", revision); setenv("hint.acpi.0.revision", buf, 1); + setenv("acpi.revision", buf, 1); strncpy(buf, rsdp->OemId, sizeof(rsdp->OemId)); buf[sizeof(rsdp->OemId)] = '\0'; setenv("hint.acpi.0.oem", buf, 1); + setenv("acpi.oem", buf, 1); sprintf(buf, "0x%016x", rsdp->RsdtPhysicalAddress); setenv("hint.acpi.0.rsdt", buf, 1); + setenv("acpi.rsdt", buf, 1); if (revision >= 2) { /* XXX extended checksum? */ sprintf(buf, "0x%016llx", (unsigned long long)rsdp->XsdtPhysicalAddress); setenv("hint.acpi.0.xsdt", buf, 1); + setenv("acpi.xsdt", buf, 1); sprintf(buf, "%d", rsdp->Length); setenv("hint.acpi.0.xsdt_length", buf, 1); + setenv("acpi.xsdt_length", buf, 1); } } |