Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

2025-08-11 13:15:39 +00:00 · 2017-10-03 07:45:34 +00:00 · 2017-10-03 07:45:34 +00:00 · c2c66aff7d
commit c2c66aff7d
parent b94e2d8ca0
24198 changed files with 0 additions and 37285 deletions
--- a/boot/armllb/envir.c
+++ b/boot/armllb/envir.c
@ -0,0 +1,161 @@
+/*
+ * PROJECT:         ReactOS Boot Loader
+ * LICENSE:         BSD - See COPYING.ARM in the top level directory
+ * FILE:            boot/armllb/envir.c
+ * PURPOSE:         LLB Environment Variable Routines
+ * PROGRAMMERS:     ReactOS Portable Systems Group
+ */
+
+#include "precomp.h"
+
+ULONG LlbEnvHwPageSize;
+ULONG LlbEnvHwMemStart = 0;
+ULONG LlbEnvHwMemSize = 0;
+ULONG LlbEnvRamDiskStart = 0;
+ULONG LlbEnvRamDiskSize = 0;
+ULONG LlbEnvHwRevision;
+CHAR LlbEnvCmdLine[256];
+CHAR LlbValueData[32];
+    
+VOID
+NTAPI
+LlbEnvParseArguments(IN PATAG Arguments)
+{
+    PATAG Atag;
+    
+    /* Parse the ATAGs */
+    Atag = Arguments;
+    while (Atag->Hdr.Size)
+    {
+        /* Check tag type */
+        switch (Atag->Hdr.Tag)
+        {
+            case ATAG_CORE:
+            
+                /* Save page size */
+                LlbEnvHwPageSize = Atag->u.Core.PageSize;
+                break;
+                
+            case ATAG_REVISION:
+
+                /* Save page size */
+                LlbEnvHwRevision = Atag->u.Revision.Rev;
+                break;
+                
+            case ATAG_MEM:
+            
+                /* Save RAM start and size */
+                if (!LlbEnvHwMemStart) LlbEnvHwMemStart = Atag->u.Mem.Start;
+                LlbEnvHwMemSize += Atag->u.Mem.Size;
+                break;
+                
+            case ATAG_INITRD2:
+            
+                /* Save RAMDISK start and size */
+                LlbEnvRamDiskStart = Atag->u.InitRd2.Start;
+                LlbEnvRamDiskSize = Atag->u.InitRd2.Size;
+                
+#ifdef _BEAGLE_
+                /* Make sure it's 16MB-aligned */
+                LlbEnvRamDiskSize = (LlbEnvRamDiskSize + (16 * 1024 * 1024) - 1) 
+                                    &~ ((16 * 1024 * 1024) - 1);
+                
+                /* The RAMDISK actually starts 16MB later */
+                LlbEnvRamDiskStart += 16 * 1024 * 1024;
+                LlbEnvRamDiskSize  -= 16 * 1024 * 1024;
+#endif
+                break;
+                
+            case ATAG_CMDLINE:
+            
+                /* Save command line */
+                strncpy(LlbEnvCmdLine,
+                        Atag->u.CmdLine.CmdLine,
+                        Atag->Hdr.Size * sizeof(ULONG));
+                break;
+                
+            /* Nothing left to handle */
+            case ATAG_NONE:
+            default:
+                break;
+        }
+        
+        /* Next tag */
+        Atag = (PATAG)((PULONG)Atag + Atag->Hdr.Size);
+    }
+    
+    /* For debugging */
+    DbgPrint("[BOOTROM] Board Revision: %lx PageSize: %dKB RAM: %dMB CMDLINE: %s\n"
+             "[RAMDISK] Base: %lx Size: %dMB\n",
+             LlbEnvHwRevision,
+             LlbEnvHwPageSize / 1024, LlbEnvHwMemSize / 1024 / 1024, LlbEnvCmdLine,
+             LlbEnvRamDiskStart, LlbEnvRamDiskSize / 1024 / 1024);
+}
+
+VOID
+NTAPI
+LlbEnvGetMemoryInformation(IN PULONG Base,
+                           IN PULONG Size)
+{
+    /* Return RAM information */
+    *Base = LlbEnvHwMemStart;
+    *Size = LlbEnvHwMemSize;
+}
+
+BOOLEAN
+NTAPI
+LlbEnvGetRamDiskInformation(IN PULONG Base,
+                            IN PULONG Size)
+{
+    /* Do we have a ramdisk? */
+    if (LlbEnvRamDiskSize == 0)
+    {
+        /* No */
+        *Base = 0;
+        *Size = 0;
+        return FALSE;
+    }
+    
+    /* Return ramdisk information */
+    *Base = LlbEnvRamDiskStart;
+    *Size = LlbEnvRamDiskSize;
+    return TRUE;
+}
+
+PCHAR
+NTAPI
+LlbEnvRead(IN PCHAR ValueName)
+{
+    PCHAR ValuePointer;
+    ULONG Length = 0;
+    
+    /* Search for the value name */
+    ValuePointer = strstr(LlbEnvCmdLine, ValueName);
+    if (ValuePointer)
+    {
+        /* Get the value data and its length */
+        ValuePointer += strlen(ValueName) + 1;
+        if (strchr(ValuePointer, ','))
+        {
+            /* Stop before next parameter */
+            Length = strchr(ValuePointer, ',') - ValuePointer;
+        }
+        else
+        {
+            /* Stop before the string ends */
+            Length = strlen(ValuePointer);
+        }
+        
+        /* Copy it */
+        strncpy(LlbValueData, ValuePointer, Length);
+    }
+    
+    /* Terminate the data */
+    LlbValueData[Length] = ANSI_NULL;
+
+    /* Return the data */
+    return LlbValueData;
+}
+
+/* EOF */
+