grml...

[seabios.git] / src / optionroms.c

diff --git a/src/optionroms.c b/src/optionroms.c
index 27c172f592242a3a1b44c33a756e258c3a5f68a3..27cfffd82a79e0e8e72b29f58949d4f8ed67c0a9 100644 (file)
--- a/src/optionroms.c
+++ b/src/optionroms.c
@@ -14,63 +14,12 @@
 #include "pci_ids.h" // PCI_CLASS_DISPLAY_VGA
 #include "boot.h" // IPL
 #include "paravirt.h" // qemu_cfg_*
-
+#include "optionroms.h" // struct rom_header
 
 /****************************************************************
  * Definitions
  ****************************************************************/
 
-struct rom_header {
-    u16 signature;
-    u8 size;
-    u8 initVector[4];
-    u8 reserved[17];
-    u16 pcioffset;
-    u16 pnpoffset;
-} PACKED;
-
-struct pci_data {
-    u32 signature;
-    u16 vendor;
-    u16 device;
-    u16 vitaldata;
-    u16 dlen;
-    u8 drevision;
-    u8 class_lo;
-    u16 class_hi;
-    u16 ilen;
-    u16 irevision;
-    u8 type;
-    u8 indicator;
-    u16 reserved;
-} PACKED;
-
-struct pnp_data {
-    u32 signature;
-    u8 revision;
-    u8 len;
-    u16 nextoffset;
-    u8 reserved_08;
-    u8 checksum;
-    u32 devid;
-    u16 manufacturer;
-    u16 productname;
-    u8 type_lo;
-    u16 type_hi;
-    u8 dev_flags;
-    u16 bcv;
-    u16 dv;
-    u16 bev;
-    u16 reserved_1c;
-    u16 staticresource;
-} PACKED;
-
-#define OPTION_ROM_SIGNATURE 0xaa55
-#define OPTION_ROM_ALIGN 2048
-#define OPTION_ROM_INITVECTOR offsetof(struct rom_header, initVector[0])
-#define PCI_ROM_SIGNATURE 0x52494350 // PCIR
-#define PCIROM_CODETYPE_X86 0
-
 // The end of the last deployed rom.
 u32 RomEnd = BUILD_ROM_START;
 
@@ -116,6 +65,8 @@ call_bcv(u16 seg, u16 ip)
     __callrom(MAKE_FLATPTR(seg, 0), ip, 0);
 }
 
+static int EnforceChecksum;
+
 // Verify that an option rom looks valid
 static int
 is_valid_rom(struct rom_header *rom)
@@ -131,7 +82,7 @@ is_valid_rom(struct rom_header *rom)
     if (sum != 0) {
         dprintf(1, "Found option rom with bad checksum: loc=%p len=%d sum=%x\n"
                 , rom, len, sum);
-        if (CONFIG_OPTIONROMS_CHECKSUM)
+        if (EnforceChecksum)
             return 0;
     }
     return 1;
@@ -228,10 +179,11 @@ getRomPriority(u64 *sources, struct rom_header *rom, int instance)
     if (!source)
         return -1;
     if (source & RS_PCIROM)
-        return bootprio_find_pci_rom(source, instance);
+        return bootprio_find_pci_rom((void*)(u32)source, instance);
     return bootprio_find_named_rom(romfile_name(source), instance);
 }
 
+
 /****************************************************************
  * Roms in CBFS
  ****************************************************************/
@@ -376,7 +328,7 @@ init_pcirom(struct pci_device *pci, int isvga, u64 *sources)
     if (! rom)
         // No ROM present.
         return -1;
-    setRomSource(sources, rom, RS_PCIROM | bdf);
+    setRomSource(sources, rom, RS_PCIROM | (u32)pci);
     return init_optionrom(rom, bdf, isvga);
 }
 
@@ -436,19 +388,18 @@ optionrom_setup(void)
                          , getRomPriority(sources, rom, 0));
             continue;
         }
-        // PnP rom.
-        if (pnp->bev) {
-            // Can boot system - add to IPL list.
-            boot_add_bev(FLATPTR_TO_SEG(rom), pnp->bev, pnp->productname
-                         , getRomPriority(sources, rom, 0));
-        } else {
-            // Check for BCV (there may be multiple).
-            int instance = 0;
-            while (pnp && pnp->bcv) {
+        // PnP rom - check for BEV and BCV boot capabilities.
+        int instance = 0;
+        while (pnp) {
+            if (pnp->bev)
+                boot_add_bev(FLATPTR_TO_SEG(rom), pnp->bev, pnp->productname
+                             , getRomPriority(sources, rom, instance++));
+            else if (pnp->bcv)
                 boot_add_bcv(FLATPTR_TO_SEG(rom), pnp->bcv, pnp->productname
                              , getRomPriority(sources, rom, instance++));
-                pnp = get_pnp_next(rom, pnp);
-            }
+            else
+                break;
+            pnp = get_pnp_next(rom, pnp);
         }
     }
 }
@@ -458,6 +409,9 @@ optionrom_setup(void)
  * VGA init
  ****************************************************************/
 
+static int S3ResumeVgaInit;
+int ScreenAndDebug;
+
 // Call into vga code to turn on console.
 void
 vga_setup(void)
@@ -467,19 +421,24 @@ vga_setup(void)
 
     dprintf(1, "Scan for VGA option rom\n");
 
+    // Load some config settings that impact VGA.
+    EnforceChecksum = romfile_loadint("etc/optionroms-checksum", 1);
+    S3ResumeVgaInit = romfile_loadint("etc/s3-resume-vga-init", 0);
+    ScreenAndDebug = romfile_loadint("etc/screen-and-debug", 1);
+
     if (CONFIG_OPTIONROMS_DEPLOYED) {
         // Option roms are already deployed on the system.
         init_optionrom((void*)BUILD_ROM_START, 0, 1);
     } else {
         // Clear option rom memory
-        memset((void*)RomEnd, 0, _max_rom() - RomEnd);
+        memset((void*)RomEnd, 0, max_rom() - RomEnd);
 
         // Find and deploy PCI VGA rom.
         struct pci_device *pci;
         foreachpci(pci) {
             if (!is_pci_vga(pci))
                 continue;
-            VGAbdf = pci->bdf;
+            vgahook_setup(pci);
             init_pcirom(pci, 1, NULL);
             break;
         }
@@ -500,7 +459,7 @@ vga_setup(void)
 void
 s3_resume_vga_init(void)
 {
-    if (!CONFIG_S3_RESUME_VGA_INIT)
+    if (!S3ResumeVgaInit)
         return;
     struct rom_header *rom = (void*)BUILD_ROM_START;
     if (! is_valid_rom(rom))