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pingpong update

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Co-authored-by: cxy004 <cxy004@qq.com>
This commit is contained in:
Paul Pan 2021-08-15 17:50:00 +08:00
parent 3d0ed8add4
commit 216ee53089
9 changed files with 170 additions and 29 deletions
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4
resources/ping-pong-mips32/game/.gitignore vendored Normal file
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@ -0,0 +1,4 @@
obj/
game.s
game.bin
game.elf

13
resources/ping-pong-mips32/game/Makefile
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@ -11,15 +11,15 @@ MODULE := init
OBJDIR := obj
INCLUDE := include
SRCDIR := game
LDSCRIPT := game/game.ld
LDSCRIPT := $(SRCDIR)/game.ld
SRC := $(foreach sdir, $(SRCDIR), $(wildcard $(sdir)/*.S))
OBJ := $(patsubst $(SRCDIR)/%.S, $(OBJDIR)/%.o, $(SRC))
TARGET := game.elf
ASFLAG := -D__ASSEMBLY__ -EL -g -mips32r2 -mno-abicalls -mno-shared
.PHONY: all clean checkdirs sim
.PHONY: all clean checkdirs generate sim
all: $(TARGET) game.bin
all: $(TARGET) game.bin generate
$(TARGET): checkdirs $(OBJ) $(LDSCRIPT)
$(LD) $(OBJ) -T$(LDSCRIPT)
@ -36,8 +36,15 @@ game.bin: $(TARGET)
@$(GCCPREFIX)objcopy -j .text -j .rodata -j .data -O binary -v $< game.bin
@$(GCCPREFIX)objdump -lD $< > game.s
generate: game.bin convert
./convert game.bin $(OBJDIR)/
convert: convert.c
gcc -o convert convert.c
sim: $(TARGET)
$(QEMU) -M mipssim -m 8M -kernel $< -nographic -monitor none -serial tcp::6666,server -s
clean:
-$(RM) -r $(OBJDIR)
-$(RM) game.bin game.elf game.s game.coe convert

BIN
resources/ping-pong-mips32/game/convert Executable file
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Binary file not shown.

84
resources/ping-pong-mips32/game/convert.c Normal file
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@ -0,0 +1,84 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void binary_out(FILE* out,unsigned char* mem)
{
char tmp;
unsigned char num[8];
num[0] = 1;
num[1] = 2;
num[2] = 4;
num[3] = 8;
num[4] = 16;
num[5] = 32;
num[6] = 64;
num[7] = 128;
for(int i=3;i>=0;i--)
{
for(int j=7;j>=0;j--)
{
if( (mem[i] & num[j] ) != 0)
tmp = '1';
else
tmp = '0';
fprintf(out,"%c",tmp);
}
}
fprintf(out,"\n");
return;
}
int main(int argc, char** argv)
{
FILE *in;
FILE *out;
if(argc < 3){
fprintf(stderr, "Usage: convert main.bin main.data directory\n");
return 1;
}
char str_bin[256];
char str_coe[256], str_mif[256];
strncpy(str_bin, argv[2], 256);
strncpy(str_coe, argv[2], 256);
strncpy(str_mif, argv[2], 256);
strncat(str_bin, argv[1], 256);
strncat(str_coe, "axi_ram.coe", 256);
strncat(str_mif, "axi_ram.mif", 256);
//printf("%s\n%s\n%s\n%s\n%s\n%s\n", str_bin, str_data, str_inst_coe, str_inst_mif, str_data_coe, str_data_mif);
int i,j,k;
unsigned char mem[32];
in = fopen(str_bin, "rb");
out = fopen(str_coe,"w");
fprintf(out, "memory_initialization_radix = 16;\n");
fprintf(out, "memory_initialization_vector =\n");
while(!feof(in)) {
if(fread(mem,1,4,in)!=4) {
fprintf(out, "%02x%02x%02x%02x\n", mem[3], mem[2], mem[1], mem[0]);
break;
}
fprintf(out, "%02x%02x%02x%02x\n", mem[3], mem[2], mem[1],mem[0]);
}
fclose(in);
fclose(out);
in = fopen(str_bin, "rb");
out = fopen(str_mif,"w");
while(!feof(in)) {
if(fread(mem,1,4,in)!=4) {
binary_out(out,mem);
break;
}
binary_out(out,mem);
}
fclose(in);
fclose(out);
return 0;
}

19
resources/ping-pong-mips32/game/game/evec.S
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@ -18,15 +18,15 @@
la t6, _data_begin
la t7, _data_end
la t8, _data_begin
ori t0, t0, k0
ori t1, t1, k0
ori t2, t2, k1
ori t3, t3, k0
ori t4, t4, k0
ori t5, t5, k1
ori t6, t6, k0
ori t7, t7, k0
ori t8, t8, k1
or t0, t0, k0
or t1, t1, k0
or t2, t2, k1
or t3, t3, k0
or t4, t4, k0
or t5, t5, k1
or t6, t6, k0
or t7, t7, k0
or t8, t8, k1
la t9, START
/* copy .text.ebase */
@ -60,6 +60,7 @@
4:
jr t9
nop
.set reorder

34
resources/ping-pong-mips32/game/game/game.S
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@ -6,6 +6,10 @@
.set noat
.section .bss
.p2align 2
.section .text
.p2align 2
@ -27,11 +31,37 @@ GAME_TIMER:
j RESTART
nop
.global GAME_KB
GAME_KB:
.global GAME_KB0
GAME_KB0:
j RESTART
nop
.global GAME_KB1
GAME_KB1:
addi sp, sp, -16
sw ra, 12(sp)
sw a0, 8(sp)
sw v1, 4(sp)
sw v0, 0(sp)
la k0, RESTART
la a0, UART1
0:
jal TRYREADSERIAL
nop
beqz v1, 1f
nop
j 0b
nop
1:
lw v0, 0(sp)
lw v1, 4(sp)
lw a0, 8(sp)
lw ra, 12(sp)
jr k0
addi sp, sp, 16
.set reorder
.set at

2
resources/ping-pong-mips32/game/game/game.ld
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@ -1,5 +1,5 @@
ENTRY(INITLOCATE)
OUTPUT("kernel.elf")
OUTPUT("game.elf")
OUTPUT_ARCH("mips:isa32r2")
OUTPUT_FORMAT("elf32-tradlittlemips")

14
resources/ping-pong-mips32/game/game/trap.S
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@ -22,7 +22,7 @@
andi k1, k0, 0x00FC
bnez k1, SYSCALL
nop
mfc0, k1, CP0_STATUS
mfc0 k1, CP0_STATUS
and k0, k0, k1
7:
andi k1, k0, CAUSEF_IP7
@ -32,6 +32,7 @@
lw k0, %lo(current_thread)(k0)
lw k1, TF_INTHDL7(k0)
jr k1
nop
6:
andi k1, k0, CAUSEF_IP6
beqz k1, 5f
@ -40,6 +41,7 @@
lw k0, %lo(current_thread)(k0)
lw k1, TF_INTHDL6(k0)
jr k1
nop
5:
andi k1, k0, CAUSEF_IP5
beqz k1, 4f
@ -48,6 +50,7 @@
lw k0, %lo(current_thread)(k0)
lw k1, TF_INTHDL5(k0)
jr k1
nop
4:
andi k1, k0, CAUSEF_IP4
beqz k1, 3f
@ -56,6 +59,7 @@
lw k0, %lo(current_thread)(k0)
lw k1, TF_INTHDL4(k0)
jr k1
nop
3:
andi k1, k0, CAUSEF_IP3
beqz k1, 2f
@ -64,6 +68,7 @@
lw k0, %lo(current_thread)(k0)
lw k1, TF_INTHDL3(k0)
jr k1
nop
2:
andi k1, k0, CAUSEF_IP2
beqz k1, 1f
@ -72,6 +77,7 @@
lw k0, %lo(current_thread)(k0)
lw k1, TF_INTHDL2(k0)
jr k1
nop
1:
andi k1, k0, CAUSEF_IP1
beqz k1, 0f
@ -80,19 +86,21 @@
lw k0, %lo(current_thread)(k0)
lw k1, TF_INTHDL1(k0)
jr k1
nop
0:
lui k0, %hi(current_thread)
lw k0, %lo(current_thread)(k0)
lw k1, TF_INTHDL0(k0)
jr k1
nop
SYSCALL:
li k1, EX_SYS
bne k0, k1, DEFAULT_INT_HANDLER
nop
mfc0 k1, C0_EPC
mfc0 k1, CP0_EPC
addiu k1, k1, 0x4
mtc0 k1, C0_EPC
mtc0 k1, CP0_EPC
.global DEFAULT_INT_HANDLER
DEFAULT_INT_HANDLER:

29
resources/ping-pong-mips32/game/game/utils.S
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@ -9,28 +9,35 @@
.global WRITESERIAL
WRITESERIAL:
.TESTW:
1:
lb t0, 5(a0)
andi t0, t0, 0x20
beqz t0, .TESTW
beqz t0, 1b
nop
.WSERIAL:
sb a1, 0(a0)
jr ra
sb a1, 0(a0)
jr ra
nop
.global READSERIAL
READSERIAL:
.TESTR:
1:
lb t0, 5(a0)
andi t0, t0, 0x01
bnez t0, .RSERIAL
beqz t0, 1b
nop
j .TESTR
lb v0, 0(a0)
jr ra
nop
.RSERIAL:
lb v0, 0(a0)
jr ra
.global TRYREADSERIAL
TRYREADSERIAL:
lb v1, 5(a0)
andi v1, v1, 0x01
beqz v1, 1f
nop
lb v0, 0(a0)
1:
jr ra
nop