Kernel - So... should remember to initialise structures

[tpg/acess2.git] / AcessNative / ld-acess_src / syscalls.c

diff --git a/AcessNative/ld-acess_src/syscalls.c b/AcessNative/ld-acess_src/syscalls.c
index ff29997..02a59b9 100644 (file)
--- a/AcessNative/ld-acess_src/syscalls.c
+++ b/AcessNative/ld-acess_src/syscalls.c
@@ -265,6 +265,10 @@ void close(int FD) {
        _Syscall(SYS_CLOSE, ">i", FD);
 }
 
+int reopen(int FD, const char *Path, int Flags) {
+       return _Syscall(SYS_REOPEN, ">i >s >i", FD, Path, Flags);
+}
+
 size_t read(int FD, size_t Bytes, void *Dest) {
        return _Syscall(SYS_READ, "<i >i >i <d", FD, Bytes, Bytes, Dest);
 }
@@ -314,6 +318,14 @@ int        _SysSetFaultHandler(int (*Handler)(int)) {
        return 0;
 }
 
+// --- Memory Management ---
+uint64_t _SysAllocate(uint vaddr)
+{
+       if( AllocateMemory(vaddr, 0x1000) == -1 )       // Allocate a page
+               return 0;
+       return vaddr;   // Just ignore the need for paddrs :)
+}
+
 
 // === Symbol List ===
 #define DEFSYM(name)   {#name, name}
@@ -322,6 +334,7 @@ const tSym  caBuiltinSymbols[] = {
        
        DEFSYM(open),
        DEFSYM(close),
+       DEFSYM(reopen),
        DEFSYM(read),
        DEFSYM(write),
        DEFSYM(seek),
@@ -333,6 +346,8 @@ const tSym  caBuiltinSymbols[] = {
        DEFSYM(_SysGetACL),
        DEFSYM(_SysMount),
        
+       DEFSYM(_SysAllocate),
+       
        {"_SysSetFaultHandler", _SysSetFaultHandler}
 };