--- /dev/null
+
+# BUILD_DIST=y - Install to ./Dist
+ifneq ($(BUILD_DIST),)
+ DISTROOT := $(ACESSDIR)/Dist
+ xCP := cp
+ xMKDIR := mkdir -p
+endif
--- /dev/null
+#
+# Acess2 Kernel
+# m68k Architecture Makefile
+# arch/m68k/Makefile
+
+CFLAGS =
+
+A_OBJ = main.o debug.o lib.o time.o proc.o mm_virt.o mm_phys.o
+
+LDFLAGS += `$(CC) --print-libgcc-file-name`
+
--- /dev/null
+/*
+ * Acess2 M68K port
+ * - By John Hodge (thePowersGang)
+ *
+ * arch/m68k/debug.c
+ * - Debugging output
+ */
+#include <acess.h>
+
+// === PROTOTYPES ===
+void StartupPrint(const char *Str);
+void KernelPanic_SetMode(void);
+void KernelPanic_PutChar(char ch);
+
+// === CODE ===
+void StartupPrint(const char *Str)
+{
+}
+
+void KernelPanic_SetMode(void)
+{
+}
+
+void KernelPanic_PutChar(char ch)
+{
+}
+
--- /dev/null
+/*
+ * Acess2 M68000 port
+ * - By John Hodge (thePowersGang)
+ *
+ * arch/m68k/include/arch.h
+ * - Architectre config
+ */
+#ifndef _M68K_ARCH_H_
+#define _M68K_ARCH_H_
+
+#define INVLPTR ((void*)-1)
+#define BITS 32
+
+typedef unsigned long long Uint64;
+typedef unsigned long Uint32;
+typedef unsigned short Uint16;
+typedef unsigned char Uint8;
+
+typedef signed long long Sint64;
+typedef signed long Sint32;
+typedef signed short Sint16;
+typedef signed char Sint8;
+
+typedef unsigned int Uint;
+typedef unsigned int size_t;
+
+typedef char BOOL;
+
+typedef Uint32 tVAddr;
+typedef Uint32 tPAddr;
+
+struct sShortSpinlock
+{
+ int v;
+};
+
+// Non preemptive and no SMP, no need for these
+#define SHORTLOCK(lock) do{}while(0)
+#define SHORTREL(lock) do{}while(0)
+#define IS_LOCKED(lock) (0)
+#define CPU_HAS_LOCK(lock) (0)
+
+#define Debug_PutCharDebug(ch) do{}while(0)
+#define Debug_PutStringDebug(ch) do{}while(0)
+
+#define HALT() do{}while(0)
+
+#define USER_MAX 0
+
+#define PAGE_SIZE 0x1000
+
+#endif
+
--- /dev/null
+/*
+ * Acess2 M68000 port
+ * - By John Hodge (thePowersGang)
+ *
+ * arch/m68k/include/mm_virt.h
+ * - Virtual memory addresses
+ */
+#ifndef _M68K_MM_VIRT_H_
+#define _M68K_MM_VIRT_H_
+
+#define MM_KHEAP_BASE 0
+#define MM_KHEAP_MAX 0
+
+#define MM_USER_MIN 0
+#define USER_LIB_MAX 0
+#define MM_MODULE_MIN 0
+#define MM_MODULE_MAX 0
+
+#define MM_PPD_HANDLES 0
+#define MM_KERNEL_VFS 0
+
+#endif
+
--- /dev/null
+/*
+ * Acess2 M68000 port
+ * - By John Hodge (thePowersGang)
+ *
+ * arch/m68k/include/proc.h
+ * - Task management defs
+ */
+#ifndef _M68K_PROC_H_
+#define _M68K_PROC_H_
+
+#define MAX_CPUS 1
+
+typedef int tMemoryState; // Unused
+
+typedef struct {
+ Uint32 IP;
+ Uint32 SP;
+} tTaskState;
+
+typedef struct {
+ Uint32 Num;
+ union {
+ Uint32 Arg1;
+ Uint32 Return;
+ };
+ union {
+ Uint32 Arg2;
+ Uint32 RetHi;
+ };
+ union {
+ Uint32 Arg3;
+ Uint32 Error;
+ };
+ Uint32 Arg4;
+ Uint32 Arg5;
+ Uint32 Arg6;
+} tSyscallRegs;
+
+#endif
+
--- /dev/null
+/*
+ * Acess2 M68K port
+ * - By John Hodge (thePowersGang)
+ *
+ * arch/m68k/lib.c
+ * - Library functions
+ */
+#include <acess.h>
+#include "../helpers.h"
+#include <drv_pci_int.h>
+
+Uint64 __divmod64(Uint64 Num, Uint64 Den, Uint64 *Rem);
+Uint64 __udivdi3(Uint64 Num, Uint64 Den);
+Uint64 __umoddi3(Uint64 Num, Uint64 Den);
+
+// === CODE ===
+void *memcpy(void *__dest, const void *__src, size_t __len)
+{
+ register Uint8 *dest = __dest;
+ register const Uint8 *src = __src;
+
+ while(__len --)
+ *dest++ = *src++;
+
+ return __dest;
+}
+
+void *memset(void *__dest, int __val, size_t __count)
+{
+ register Uint8 *dest = __dest;
+
+ while(__count --)
+ *dest = __val;
+
+ return __dest;
+}
+
+int memcmp(const void *__p1, const void *__p2, size_t __maxlen)
+{
+ const char *m1 = __p1, *m2 = __p2;
+ while( __maxlen-- )
+ {
+ if(*m1 != *m2) return *m1 - *m2;
+ }
+ return 0;
+}
+
+DEF_DIVMOD(64)
+
+Uint64 DivMod64U(Uint64 Num, Uint64 Den, Uint64 *Rem)
+{
+ Uint64 ret;
+ if(Den == 0) return 0; // TODO: #div0
+ if(Num < Den) {
+ if(Rem) *Rem = Num;
+ return 0;
+ }
+ if(Num == 0) {
+ if(Rem) *Rem = 0;
+ return 0;
+ }
+ if(Den == 1) {
+ if(Rem) *Rem = 0;
+ return Num;
+ }
+ if(Den == 2) {
+ if(Rem) *Rem = Num & 1;
+ return Num >> 1;
+ }
+ if(Den == 16) {
+ if(Rem) *Rem = Num & 0xF;
+ return Num >> 4;
+ }
+ if(Den == 32) {
+ if(Rem) *Rem = Num & 0x1F;
+ return Num >> 5;
+ }
+ if(Den == 0x1000) {
+ if(Rem) *Rem = Num & 0xFFF;
+ return Num >> 12;
+ }
+
+ if( !(Den >> 32) && !(Num >> 32) ) {
+ if(Rem) *Rem = (Uint32)Num % (Uint32)Den; // Clear high bits
+ return (Uint32)Num / (Uint32)Den;
+ }
+
+ ret = __divmod64(Num, Den, Rem);
+ return ret;
+}
+
+// Unsigned Divide 64-bit Integer
+Uint64 __udivdi3(Uint64 Num, Uint64 Den)
+{
+ return DivMod64U(Num, Den, NULL);
+}
+
+// Unsigned Modulus 64-bit Integer
+Uint64 __umoddi3(Uint64 Num, Uint64 Den)
+{
+ Uint64 ret = 0;
+ DivMod64U(Num, Den, &ret);
+ return ret;
+}
+
+// ---- PCI (stubbed)
+Uint32 PCI_CfgReadDWord(Uint32 Addr)
+{
+ return 0xFFFFFFFF;
+}
+void PCI_CfgWriteDWord(Uint32 Addr, Uint32 Data)
+{
+}
+
--- /dev/null
+ENTRY (_start)
+
+_kernel_base = 0x0;
+
+SECTIONS
+{
+ . = 0;
+ .init :
+ {
+ *(.init)
+ }
+ . += _kernel_base;
+ .text : AT( ADDR(.text) - _kernel_base )
+ {
+ *(.text*)
+ *(.rodata*)
+ }
+ /* 0x4000 (4 pages) alignment needed for root table */
+ .data ALIGN(0x4000) : AT( ADDR(.data) - _kernel_base )
+ {
+ *(.padata)
+ *(.data*)
+
+ gKernelSymbols = .;
+ *(KEXPORT)
+ gKernelSymbolsEnd = .;
+
+ gKernelModules = .;
+ *(KMODULES)
+ gKernelModulesEnd = .;
+ }
+ .bss : AT( ADDR(.bss) - _kernel_base )
+ {
+ *(.bss*)
+ *(COMMON*)
+ . = ALIGN(0x1000);
+ *(.pabss)
+ }
+ gKernelEnd = .;
+}
--- /dev/null
+/*
+ * Acess2 M68K port
+ * - By John Hodge (thePowersGang)
+ *
+ * arch/m68k/main.c
+ * - C entrypoint
+ */
+#include <acess.h>
+#include <init.h>
+
+// === PROTOTYPES ===
+void kmain(void);
+
+// === CODE ===
+void kmain(void)
+{
+
+}
+
+void Arch_LoadBootModules(void)
+{
+
+}
+
--- /dev/null
+/*
+ * Acess2 M68K port
+ * - By John Hodge (thePowersGang)
+ *
+ * arch/m68k/mm_phys.c
+ * - Stubbed physical memory management
+ */
+#include <acess.h>
+
+// === CODE ===
+void MM_RefPhys(tPAddr Page)
+{
+ // TODO: Refcount pages
+ Log_Warning("MMPhys", "TODO: Implement MM_RefPhys");
+}
+
+int MM_SetPageNode(tPAddr Page, void *Node)
+{
+ Log_Warning("MMPhys", "TODO: Implement MM_SetPageNode");
+ return -1;
+}
+
--- /dev/null
+/*
+ * Acess2 M68K port
+ * - By John Hodge (thePowersGang)
+ *
+ * arch/m68k/mm_virt.c
+ * - Stubbed virtual memory management (no MMU)
+ */
+#include <acess.h>
+#include <mm_virt.h>
+#include <hal_proc.h>
+
+// === CODE ===
+tPAddr MM_GetPhysAddr(tVAddr Addr)
+{
+ return Addr;
+}
+
+void MM_SetFlags(tVAddr Addr, Uint Val, Uint Mask)
+{
+ return ;
+}
+
+Uint MM_GetFlags(tVAddr Addr)
+{
+ return 0;
+}
+
+int MM_Map(tVAddr Dest, tPAddr Src)
+{
+ Dest &= (PAGE_SIZE-1);
+ Src &= (PAGE_SIZE-1);
+ if(Dest != Src)
+ memcpy((void*)Dest, (void*)Src, PAGE_SIZE);
+ return 0;
+}
+
+tPAddr MM_Allocate(tVAddr Dest)
+{
+ return Dest;
+}
+
+void MM_Deallocate(tVAddr Addr)
+{
+}
+
+void MM_ClearUser(void)
+{
+}
+
+void MM_DumpTables(tVAddr Start, tVAddr End)
+{
+
+}
+
--- /dev/null
+/*
+ * Acess2 M68K port
+ * - By John Hodge (thePowersGang)
+ *
+ * arch/m68k/proc.c
+ * - Multithreading
+ */
+#include <acess.h>
+#include <threads_int.h>
+#include <hal_proc.h>
+
+// === IMPORTS ===
+extern tThread gThreadZero;
+
+// === GLOBALS ===
+tThread *gpCurrentThread = &gThreadZero;
+
+// === CODE ===
+void ArchThreads_Init(void)
+{
+}
+
+void Proc_Start(void)
+{
+}
+
+tThread *Proc_GetCurThread(void)
+{
+ return gpCurrentThread;
+}
+
+int GetCPUNum(void)
+{
+ return 0;
+}
+
+tTID Proc_Clone(Uint Flags)
+{
+ UNIMPLEMENTED();
+ return -1;
+}
+
+tTID Proc_NewKThread(tThreadFunction Fcn, void *Arg)
+{
+ UNIMPLEMENTED();
+ return -1;
+}
+
+tTID Proc_SpawnWorker(tThreadFunction Fcn, void *Arg)
+{
+ UNIMPLEMENTED();
+ return -1;
+}
+
+void Proc_StartUser(Uint Entrypoint, Uint Base, int ArgC, char **ArgV, int DataSize)
+{
+ Log_KernelPanic("Proc", "TODO: Implement Proc_StartUser");
+ for(;;);
+}
+
+void Proc_CallFaultHandler(tThread *Thread)
+{
+
+}
+
+void Proc_DumpThreadCPUState(tThread *Thread)
+{
+
+}
+
+void Proc_Reschedule(void)
+{
+ Log_Notice("Proc", "TODO: Implement Proc_Reschedule");
+}
+
--- /dev/null
+/*
+ * Acess2 M68K port
+ * - By John Hodge (thePowersGang)
+ *
+ * arch/m68k/time.c
+ * - Timekeeping
+ */
+#include <acess.h>
+
+// === CODE ===
+Sint64 now(void)
+{
+ return 0;
+}
git.ucc.asn.au / tpg / acess2.git / commitdiff
UCC git Repository :: git.ucc.asn.au