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Better print :)

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This commit is contained in:
Valentin Haudiquet 2023-10-05 21:48:59 +02:00
parent 0adbd15225
commit 89744626a7
1 changed files with 13 additions and 10 deletions
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21
src/cpu/rv32cpu.c
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@ -616,6 +616,9 @@ static void cpu_print_instruction(instruction_t* instruction)
// Jump And Link Register // Jump And Link Register
// Sign extend immediate from 12 bits to 32 bits // Sign extend immediate from 12 bits to 32 bits
uint32_t immediate = (instruction->immediate & 0xFFF) | (instruction->immediate & 0x800 ? 0xFFFFF000 : 0); uint32_t immediate = (instruction->immediate & 0xFFF) | (instruction->immediate & 0x800 ? 0xFFFFF000 : 0);
if(immediate == 0x0 && instruction->rd == 0 && instruction->rs1 == 1)
printf("ret\n");
else
printf("jalr x%u, x%u, 0x%x\n", instruction->rd, instruction->rs1, immediate); printf("jalr x%u, x%u, 0x%x\n", instruction->rd, instruction->rs1, immediate);
break; break;
} }
@ -666,23 +669,23 @@ static void cpu_print_instruction(instruction_t* instruction)
switch(instruction->func3) switch(instruction->func3)
{ {
case FUNC3_LB: case FUNC3_LB:
printf("lb x%u, x%u, 0x%x\n", instruction->rd, instruction->rs1, immediate); printf("lb x%u, %d(x%u)\n", instruction->rd, immediate, instruction->rs1);
break; break;
case FUNC3_LH: case FUNC3_LH:
// Load Halfword (16-bits) // Load Halfword (16-bits)
printf("lh x%u, x%u, 0x%x\n", instruction->rd, instruction->rs1, immediate); printf("lh x%u, %d(x%u)\n", instruction->rd, immediate, instruction->rs1);
break; break;
case FUNC3_LW: case FUNC3_LW:
// Load Word (32-bits) // Load Word (32-bits)
printf("lw x%u, x%u, 0x%x\n", instruction->rd, instruction->rs1, immediate); printf("lw x%u, %d(x%u)\n", instruction->rd, immediate, instruction->rs1);
break; break;
case FUNC3_LBU: case FUNC3_LBU:
// Load Byte Unsigned (8-bits) // Load Byte Unsigned (8-bits)
printf("lbu x%u, x%u, 0x%x\n", instruction->rd, instruction->rs1, immediate); printf("lbu x%u, %d(x%u)\n", instruction->rd, immediate, instruction->rs1);
break; break;
case FUNC3_LHU: case FUNC3_LHU:
// Load Halfword Unsigned (16-bits) // Load Halfword Unsigned (16-bits)
printf("lhu x%u, x%u, 0x%x\n", instruction->rd, instruction->rs1, immediate); printf("lhu x%u, %d(x%u)\n", instruction->rd, immediate, instruction->rs1);
break; break;
default: default:
fprintf(stderr, "Warning: Unknown func3 0x%x for load instruction\n", instruction->func3); fprintf(stderr, "Warning: Unknown func3 0x%x for load instruction\n", instruction->func3);
@ -700,15 +703,15 @@ static void cpu_print_instruction(instruction_t* instruction)
{ {
case FUNC3_SB: case FUNC3_SB:
// Store Byte (8-bits) // Store Byte (8-bits)
printf("sb x%u, x%u, 0x%x\n", instruction->rs1, instruction->rs2, immediate); printf("sb x%u, %d(x%u)\n", instruction->rs1, immediate, instruction->rs2);
break; break;
case FUNC3_SH: case FUNC3_SH:
// Store Halfword (16-bits) // Store Halfword (16-bits)
printf("sh x%u, x%u, 0x%x\n", instruction->rs1, instruction->rs2, immediate); printf("sh x%u, %d(x%u)\n", instruction->rs1, immediate, instruction->rs2);
break; break;
case FUNC3_SW: case FUNC3_SW:
// Store Word (32-bits) // Store Word (32-bits)
printf("sw x%u, x%u, 0x%x\n", instruction->rs1, instruction->rs2, immediate); printf("sw x%u, %d(x%u)\n", instruction->rs1, immediate, instruction->rs2);
break; break;
default: default:
fprintf(stderr, "Warning: Unknown func3 0x%x for store instruction\n", instruction->func3); fprintf(stderr, "Warning: Unknown func3 0x%x for store instruction\n", instruction->func3);
@ -728,7 +731,7 @@ static void cpu_print_instruction(instruction_t* instruction)
{ {
case FUNC3_ADDI: case FUNC3_ADDI:
// ADD Immediate // ADD Immediate
printf("addi x%u, x%u, 0x%x\n", instruction->rd, instruction->rs1, immediate); printf("addi x%u, x%u, %d\n", instruction->rd, instruction->rs1, immediate);
break; break;
case FUNC3_SLTI: case FUNC3_SLTI:
// Set Less Than Immediate // Set Less Than Immediate