X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/0e1309c02f0703c050df09b71346dab60fc6df87..58f0877fc16da760e2ed6910648ec67e9afff890:/lunaix-os/hal/acpi/acpi.c

diff --git a/lunaix-os/hal/acpi/acpi.c b/lunaix-os/hal/acpi/acpi.c
index 55c27ae..3f8a25f 100644
--- a/lunaix-os/hal/acpi/acpi.c
+++ b/lunaix-os/hal/acpi/acpi.c
@@ -36,7 +36,8 @@ acpi_init(multiboot_info_t* mb_info)
 
     size_t entry_n = (rsdt->header.length - sizeof(acpi_sdthdr_t)) >> 2;
     for (size_t i = 0; i < entry_n; i++) {
-        acpi_sdthdr_t* sdthdr = ((acpi_apic_t**)&(rsdt->entry))[i];
+        acpi_sdthdr_t* sdthdr =
+          (acpi_sdthdr_t*)((acpi_apic_t**)&(rsdt->entry))[i];
         switch (sdthdr->signature) {
             case ACPI_MADT_SIG:
                 madt_parse((acpi_madt_t*)sdthdr, ctx);
@@ -75,6 +76,16 @@ acpi_rsdp_validate(acpi_rsdp_t* rsdp)
     return sum == 0;
 }
 
+uint8_t
+acpi_gistranslate(uint8_t old_irq)
+{
+    if (old_irq >= 24) {
+        return old_irq;
+    }
+    acpi_intso_t* int_override = ctx->madt.irq_exception[old_irq];
+    return int_override ? (uint8_t)int_override->gsi : old_irq;
+}
+
 #define VIRTUAL_BOX_PROBLEM
 
 acpi_rsdp_t*