Hello World functional
This commit is contained in:
Jaby
parent
365b31c0c1
commit
3e096e9ea1
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@ -8,5 +8,4 @@
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*.a
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*.o
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*.ii
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*.s
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*.xa
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@ -0,0 +1,128 @@
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#ifndef __JABYENGINE_SYSCALLS__H
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#define __JABYENGINE_SYSCALLS__H
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#include "../jabyengine_defines.h"
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/*
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R0 zr Constant Zero
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R1 at Reserved for the assembler
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R2-R3 v0-v1 Values for results and expression evaluation
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R4-R7 a0-a3 Arguments
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R8-R15 t0-t7 Temporaries (not preserved across call)
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R16-R23 s0-s7 Saved (preserved across call)
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R24-R25 t8-t9 More temporaries (not preserved across call)
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R26-R27 k0-k1 Reserved for OS Kernel
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R28 gp Global Pointer
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R29 sp Stack Pointer
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R30 fp Frame Pointer
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R31 ra Return address (set by function call)
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*/
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static __constexpr const uint32_t __syscall_Table_A = 0xA0;
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static __constexpr const uint32_t __syscall_Table_B = 0xB0;
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static __constexpr const uint32_t __syscall_Table_C = 0xC0;
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enum __syscall_PriorityChain {
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CdromDmaIrq = 0,
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CdromIoIrq = 0,
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SyscallException = 0,
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CardSpecificIrq = 1,
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VblankIrq = 1,
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Timer2Irq = 1,
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Timer1Irq = 1,
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Timer0Irq = 1,
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PadCardIrq = 2,
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DefInt = 3
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};
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static __constexpr const uint32_t SkipHandler = 0;
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static __constexpr const uint32_t ExecuteHandler = 1;
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struct __no_align __syscall_InterruptElement {
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struct __syscall_InterruptElement *next;
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void (*handler)(uint32_t);
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uint32_t (*verifier)();
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uint32_t notUsed;
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};
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#ifdef __cplusplus
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reinterpret_cast<__VA_ARGS__>(table)
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#else
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#define __syscall_function_cast(table, ...) ((__VA_ARGS__)(void*)table)
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#endif
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static __always_inline void* __syscall_memcpy(void *dst, const void *src, size_t len) {
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register uint32_t FuncID asm("t1") = 0x2A;
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__asm__ volatile("" : "=r"(FuncID) : "r"(FuncID));
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return __syscall_function_cast(__syscall_Table_A, void*(*)(void*, const void*, size_t))(dst, src, len);
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}
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static __always_inline void __syscall_InitPad(uint8_t *portA, uint32_t portASize, uint8_t *portB, uint32_t portBSize) {
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register uint32_t FuncID asm("t1") = 0x12;
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__asm__ volatile("" : "=r"(FuncID) : "r"(FuncID));
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__syscall_function_cast(__syscall_Table_B, void(*)(uint8_t*, uint32_t, uint8_t*, uint32_t))(portA, portASize, portB, portBSize);
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}
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static __always_inline void __syscall_StartPad() {
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register uint32_t FuncID asm("t1") = 0x13;
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__asm__ volatile("" : "=r"(FuncID) : "r"(FuncID));
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__syscall_function_cast(__syscall_Table_B, void(*)())();
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}
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static __always_inline void __syscall_StopPad() {
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register uint32_t FuncID asm("t1") = 0x14;
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__asm__ volatile("" : "=r"(FuncID) : "r"(FuncID));
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__syscall_function_cast(__syscall_Table_B, void(*)())();
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}
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static __always_inline void __syscall_ChangeClearPad(int32_t _reserved) {
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register uint32_t FuncID asm("t1") = 0x5B;
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__asm__ volatile("" : "=r"(FuncID) : "r"(FuncID));
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__syscall_function_cast(__syscall_Table_B, void(*)(int32_t))(_reserved);
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}
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static __always_inline void __syscall_ReturnFromException() {
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register uint32_t FuncID asm("t1") = 0x17;
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__asm__ volatile("" : "=r"(FuncID) : "r"(FuncID));
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__syscall_function_cast(__syscall_Table_B, void(*)())();
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}
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static __always_inline int __syscall_SysEnqIntRP(enum __syscall_PriorityChain prio, struct __syscall_InterruptElement* interElm) {
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register uint32_t FuncID asm("t1") = 0x02;
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__asm__ volatile("" : "=r"(FuncID) : "r"(FuncID));
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return __syscall_function_cast(__syscall_Table_C, int(*)(enum __syscall_PriorityChain prio, struct __syscall_InterruptElement *interElm))(prio, interElm);
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}
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static __always_inline int __syscall_SysDeqIntRP(enum __syscall_PriorityChain prio, struct __syscall_InterruptElement *interElm) {
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register uint32_t FuncID asm("t1") = 0x03;
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__asm__ volatile("" : "=r"(FuncID) : "r"(FuncID));
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return __syscall_function_cast(__syscall_Table_C, int(*)(enum __syscall_PriorityChain prio, struct __syscall_InterruptElement *interElm))(prio, interElm);
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}
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static __always_inline uint32_t __syscall_EnterCriticalSection() {
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register uint32_t FuncID asm("a0") = 0x01;
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register uint32_t returnValue asm("v0");
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__asm__ volatile("syscall" : "=r"(FuncID), "=r"(returnValue) : "r"(FuncID) : "at", "v1", "a1", "a2", "a3", "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9", "memory");
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return returnValue;
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}
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static __always_inline void __syscall_ExitCriticalSection() {
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register uint32_t FuncID asm("a0") = 0x2;
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__asm__ volatile("syscall" : "=r"(FuncID) : "r"(FuncID) : "at", "v0", "v1", "a1", "a2", "a3", "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "t9", "memory");
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}
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int __syscall_printf(const char* txt, ...);
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#endif //!__JABYENGINE_SYSCALLS__H
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#ifndef __JABYENGINE_DEFINES__H
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#define __JABYENGINE_DEFINES__H
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#include "../stddef.h"
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#define __keep __attribute__((used))
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#define __no_align __attribute__((packed))
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#define __no_inline __attribute__((noinline))
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#define __always_inline __attribute__((always_inline))
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#define __section(name) __attribute__((section(name)))
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#ifdef __cplusplus
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#define __constexpr constexpr
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#else
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#define __constexpr
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#endif
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#endif //!__JABYENGINE_DEFINES__H
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#ifndef __STDDEF__H
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#define __STDDEF__H
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#include "stdint.h"
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typedef uintmax_t size_t;
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#endif //!__STDDEF__H
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#ifndef __STDINT__H
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#define __STDINT__H
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typedef signed char int8_t;
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typedef unsigned char uint8_t;
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typedef short int16_t;
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typedef unsigned short uint16_t;
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typedef int int32_t;
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typedef unsigned int uint32_t;
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typedef signed char int_least8_t;
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typedef unsigned char uint_least8_t;
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typedef short int_least16_t;
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typedef unsigned short uint_least16_t;
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typedef int int_least32_t;
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typedef unsigned int uint_least32_t;
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typedef signed char int_fast8_t;
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typedef unsigned char uint_fast8_t;
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typedef int int_fast16_t;
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typedef unsigned int uint_fast16_t;
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typedef int int_fast32_t;
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typedef unsigned int uint_fast32_t;
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typedef signed int intmax_t;
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typedef unsigned int uintmax_t;
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typedef signed long intptr_t;
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typedef unsigned long uintptr_t;
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#endif //!__STDINT__H
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#ifndef __STDIO__H
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#define __STDIO__H
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#include "PSX/System/syscalls.h"
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#define printf __syscall_printf
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#endif //!__STDIO__H
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18
lib/Makefile
18
lib/Makefile
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USE_FUNCTION_SECTIONS ?= true
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ifeq ($(USE_FUNCTION_SECTIONS),true)
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CCFLAGS_all += -ffunction-sections
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CCFLAGS += -ffunction-sections
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endif
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CCFLAGS_all += -mno-gpopt -fomit-frame-pointer
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CCFLAGS_all += -fno-builtin -fno-strict-aliasing -Wno-attributes
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CCFLAGS_all += $(ARCHFLAGS)
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CCFLAGS += -mno-gpopt -fomit-frame-pointer
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CCFLAGS += -fno-builtin -fno-strict-aliasing -Wno-attributes
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CCFLAGS += $(ARCHFLAGS)
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CCFLAGS_all += $(CCFLAGS_$(BUILD_PROFILE))
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CCFLAGS += $(CCFLAGS_$(BUILD_PROFILE))
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#Linker flags
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LDFLAGS_release += -Os
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OBJS = $(addprefix $(OUTPUT_DIR)/,$(addsuffix .o, $(subst ..,!super,$(basename $(SRCS)))))
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#Compiling rule
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$(OUTPUT_DIR)/%.o: %.s
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@mkdir -p $(dir $@)
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$(CC) -c $(DEPS) -o $@ $(CCFLAGS) $(CCFLAGS) $<
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$(OUTPUT_DIR)/%.o: %.c
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@mkdir -p $(dir $@)
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$(CC) -c $(DEPS) -o $@ $(CCFLAGS_all) $(CCFLAGS) $<
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$(CC) -c $(DEPS) -o $@ $(CCFLAGS) $(CCFLAGS) $<
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$(OUTPUT_DIR)/%.o: %.cpp
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@mkdir -p $(dir $@)
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$(CXX) -c $(DEPS) -o $@ $(CCFLAGS_all) $(CXXFLAGS) $<
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$(CXX) -c $(DEPS) -o $@ $(CCFLAGS) $(CXXFLAGS) $<
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.SECONDEXPANSION:
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$(OUTPUT_DIR)/%.o: $$(subst !super,..,%.s)
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#Linking rule
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$(TARGET).elf: $(OBJS)
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$(LD) -o $(TARGET).elf $(LDFLAGS_all) $(LDFLAGS) $(OBJS) $(LIBS_all) $(LIBS)
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$(LD) -o $(TARGET).elf $(LDFLAGS_all) $(LDFLAGS) $(OBJS) $(LIBS)
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#Strips the psexe
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$(TARGET).psexe: $(TARGET).elf
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},
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"settings": {
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"C_Cpp.default.includePath": [
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"./"
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"../../include"
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],
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"C_Cpp.default.compilerPath": "",
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"C_Cpp.default.cStandard": "c17",
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"C_Cpp.default.cppStandard": "c++20",
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"C_Cpp.default.intelliSenseMode": "",
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"C_Cpp.default.intelliSenseMode": "linux-gcc-x86",
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"C_Cpp.default.compilerArgs": [
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],
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"C_Cpp.default.defines": [
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"files.exclude": {
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"**/*.o": true,
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"**/*.dep": true
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},
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"files.associations": {
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"stdio.h": "c"
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}
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}
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}
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ARTIFACT = libJabyEngine
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BUILD_DIR = bin
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CCFLAGS += -I../../include
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include ../../lib/Wildcard.mk
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SRCS = $(call rwildcard, src, c cpp)
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SRCS += src/syscall_printf.asm
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include ../../lib/Makefile
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LIB_DIR = ../../lib/$(CONFIG_NAME)
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#include <stdio.h>
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void _start() {
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//call main here
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printf("Hello Planschbecken c:\n");
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}
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@ -1,5 +0,0 @@
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void _start() {
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//call main here
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}
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.set push
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.set noreorder
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#.section .ramtext, "ax", @progbits
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.align 2
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.global __syscall_printf
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.type __syscall_printf, @function
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__syscall_printf:
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li $t2, 0xa0
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jr $t2
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li $t1, 0x3f
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