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[python] Upgrade to micropython 1.11

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This commit is contained in:
Léa Saviot
2019-08-21 09:59:33 +02:00
parent 127a166762
commit 0975ba0f10
115 changed files with 4605 additions and 2450 deletions
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51
python/src/py/asmarm.c
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@@ -197,7 +197,16 @@ void asm_arm_mov_reg_reg(asm_arm_t *as, uint reg_dest, uint reg_src) {
emit_al(as, asm_arm_op_mov_reg(reg_dest, reg_src));
}
void asm_arm_mov_reg_i32(asm_arm_t *as, uint rd, int imm) {
size_t asm_arm_mov_reg_i32(asm_arm_t *as, uint rd, int imm) {
// Insert immediate into code and jump over it
emit_al(as, 0x59f0000 | (rd << 12)); // ldr rd, [pc]
emit_al(as, 0xa000000); // b pc
size_t loc = mp_asm_base_get_code_pos(&as->base);
emit(as, imm);
return loc;
}
void asm_arm_mov_reg_i32_optimised(asm_arm_t *as, uint rd, int imm) {
// TODO: There are more variants of immediate values
if ((imm & 0xFF) == imm) {
emit_al(as, asm_arm_op_mov_imm(rd, imm));
@@ -205,10 +214,7 @@ void asm_arm_mov_reg_i32(asm_arm_t *as, uint rd, int imm) {
// mvn is "move not", not "move negative"
emit_al(as, asm_arm_op_mvn_imm(rd, ~imm));
} else {
//Insert immediate into code and jump over it
emit_al(as, 0x59f0000 | (rd << 12)); // ldr rd, [pc]
emit_al(as, 0xa000000); // b pc
emit(as, imm);
asm_arm_mov_reg_i32(as, rd, imm);
}
}
@@ -273,6 +279,21 @@ void asm_arm_mov_reg_local_addr(asm_arm_t *as, uint rd, int local_num) {
emit_al(as, asm_arm_op_add_imm(rd, ASM_ARM_REG_SP, local_num << 2));
}
void asm_arm_mov_reg_pcrel(asm_arm_t *as, uint reg_dest, uint label) {
assert(label < as->base.max_num_labels);
mp_uint_t dest = as->base.label_offsets[label];
mp_int_t rel = dest - as->base.code_offset;
rel -= 12 + 8; // adjust for load of rel, and then PC+8 prefetch of add_reg_reg_reg
// To load rel int reg_dest, insert immediate into code and jump over it
emit_al(as, 0x59f0000 | (reg_dest << 12)); // ldr rd, [pc]
emit_al(as, 0xa000000); // b pc
emit(as, rel);
// Do reg_dest += PC
asm_arm_add_reg_reg_reg(as, reg_dest, reg_dest, ASM_ARM_REG_PC);
}
void asm_arm_lsl_reg_reg(asm_arm_t *as, uint rd, uint rs) {
// mov rd, rd, lsl rs
emit_al(as, 0x1a00010 | (rd << 12) | (rs << 8) | rd);
@@ -347,19 +368,15 @@ void asm_arm_b_label(asm_arm_t *as, uint label) {
asm_arm_bcc_label(as, ASM_ARM_CC_AL, label);
}
void asm_arm_bl_ind(asm_arm_t *as, void *fun_ptr, uint fun_id, uint reg_temp) {
// If the table offset fits into the ldr instruction
if (fun_id < (0x1000 / 4)) {
emit_al(as, asm_arm_op_mov_reg(ASM_ARM_REG_LR, ASM_ARM_REG_PC)); // mov lr, pc
emit_al(as, 0x597f000 | (fun_id << 2)); // ldr pc, [r7, #fun_id*4]
return;
}
void asm_arm_bl_ind(asm_arm_t *as, uint fun_id, uint reg_temp) {
// The table offset should fit into the ldr instruction
assert(fun_id < (0x1000 / 4));
emit_al(as, asm_arm_op_mov_reg(ASM_ARM_REG_LR, ASM_ARM_REG_PC)); // mov lr, pc
emit_al(as, 0x597f000 | (fun_id << 2)); // ldr pc, [r7, #fun_id*4]
}
emit_al(as, 0x59f0004 | (reg_temp << 12)); // ldr rd, [pc, #4]
// Set lr after fun_ptr
emit_al(as, asm_arm_op_add_imm(ASM_ARM_REG_LR, ASM_ARM_REG_PC, 4)); // add lr, pc, #4
emit_al(as, asm_arm_op_mov_reg(ASM_ARM_REG_PC, reg_temp)); // mov pc, reg_temp
emit(as, (uint) fun_ptr);
void asm_arm_bx_reg(asm_arm_t *as, uint reg_src) {
emit_al(as, 0x012fff10 | reg_src);
}
#endif // MICROPY_EMIT_ARM