fix: corner case for x87 context restore on execve

[lunaix-os.git] / lunaix-os / includes / hal / acpi / acpi.h

diff --git a/lunaix-os/includes/hal/acpi/acpi.h b/lunaix-os/includes/hal/acpi/acpi.h
index 326a8d04aad1712bee3ae15c24cdfdac914f5c14..0e93f20d4ceb7386f67b746a7a047a1b43640df2 100644 (file)
--- a/lunaix-os/includes/hal/acpi/acpi.h
+++ b/lunaix-os/includes/hal/acpi/acpi.h
@@ -1,41 +1,53 @@
 #ifndef __LUNAIX_ACPI_ACPI_H
 #define __LUNAIX_ACPI_ACPI_H
 
 #ifndef __LUNAIX_ACPI_ACPI_H
 #define __LUNAIX_ACPI_ACPI_H
 

-#include <stdint.h>
-#include <stddef.h>

 #include <arch/x86/boot/multiboot.h>
 #include <arch/x86/boot/multiboot.h>

+#include <stddef.h>
+#include <stdint.h>

 
 

-#include "sdt.h"
+#include "fadt.h"

 #include "madt.h"
 #include "madt.h"

+#include "mcfg.h"
+#include "sdt.h"

 
 

-#define ACPI_RSDP_SIG_L       0x20445352      // 'RSD '
-#define ACPI_RSDP_SIG_H      0x20525450       // 'PTR '
+// * for quick conversion from a table name into ACPI favoured signature
+// * use `echo <TableName> | xxd -eg4`

 
 

-#define ACPI_MADT_SIG        0x43495041       // 'APIC'
+#define ACPI_RSDP_SIG_L 0x20445352 // 'RSD '
+#define ACPI_RSDP_SIG_H 0x20525450 // 'PTR '

 
 

-typedef struct {
-    uint32_t signature_l;
-    uint32_t signature_h;
-    uint8_t chksum;
+#define ACPI_MADT_SIG 0x43495041 // 'APIC'
+#define ACPI_FADT_SIG 0x50434146 // 'FACP' Notice that it is not 'FADT'.
+
+// 'MCFG' (Not part of ACPI standard. See PCI Firmware Spec.)
+#define ACPI_MCFG_SIG 0x4746434d
+
+typedef struct
+{
+    u32_t signature_l;
+    u32_t signature_h;
+    u8_t chksum;

     char oem_id[6];
     // Revision
     char oem_id[6];
     // Revision

-    uint8_t rev;
+    u8_t rev;

     acpi_rsdt_t* rsdt;
     acpi_rsdt_t* rsdt;

-    uint32_t length;
+    u32_t length;

     acpi_sdthdr_t* xsdt;
     acpi_sdthdr_t* xsdt;

-    uint8_t x_chksum;
-    char reserved[3];    // Reserved field
+    u8_t x_chksum;
+    char reserved[3]; // Reserved field

 } __attribute__((packed)) acpi_rsdp_t;
 
 /**
  * @brief Main TOC of ACPI tables, provide hassle-free access of ACPI info.
 } __attribute__((packed)) acpi_rsdp_t;
 
 /**
  * @brief Main TOC of ACPI tables, provide hassle-free access of ACPI info.

- * 
+ *

  */
 typedef struct
 {
     // Make it as null terminated
     char oem_id[7];
     acpi_madt_toc_t madt;
  */
 typedef struct
 {
     // Make it as null terminated
     char oem_id[7];
     acpi_madt_toc_t madt;

+    acpi_fadt_t fadt;
+    struct acpi_mcfg_toc mcfg;

 } acpi_context;
 
 int
 } acpi_context;
 
 int


@@ -44,4 +56,7 @@ acpi_init(multiboot_info_t* mb_info);
 acpi_context*
 acpi_get_context();
 
 acpi_context*
 acpi_get_context();
 

+u8_t
+acpi_gistranslate(u8_t old_irq);
+

 #endif /* __LUNAIX_ACPI_ACPI_H */
 #endif /* __LUNAIX_ACPI_ACPI_H */