py: Add new Xtensa-Windowed arch for native emitter.
Enabled via the configuration MICROPY_EMIT_XTENSAWIN.pull/1/head
Damien George
parent
f7ddc94166
commit
9adedce42e
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@ -30,7 +30,7 @@
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#include "py/mpconfig.h"
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// wrapper around everything in this file
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#if MICROPY_EMIT_XTENSA || MICROPY_EMIT_INLINE_XTENSA
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#if MICROPY_EMIT_XTENSA || MICROPY_EMIT_INLINE_XTENSA || MICROPY_EMIT_XTENSAWIN
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#include "py/asmxtensa.h"
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@ -250,4 +250,4 @@ void asm_xtensa_call_ind_win(asm_xtensa_t *as, uint idx) {
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asm_xtensa_op_callx8(as, ASM_XTENSA_REG_A8);
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}
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#endif // MICROPY_EMIT_XTENSA || MICROPY_EMIT_INLINE_XTENSA
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#endif // MICROPY_EMIT_XTENSA || MICROPY_EMIT_INLINE_XTENSA || MICROPY_EMIT_XTENSAWIN
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@ -95,6 +95,7 @@ STATIC const emit_method_table_t *emit_native_table[] = {
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&emit_native_thumb_method_table,
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&emit_native_thumb_method_table,
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&emit_native_xtensa_method_table,
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&emit_native_xtensawin_method_table,
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};
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#elif MICROPY_EMIT_NATIVE
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@ -109,6 +110,8 @@ STATIC const emit_method_table_t *emit_native_table[] = {
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#define NATIVE_EMITTER(f) emit_native_arm_##f
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#elif MICROPY_EMIT_XTENSA
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#define NATIVE_EMITTER(f) emit_native_xtensa_##f
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#elif MICROPY_EMIT_XTENSAWIN
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#define NATIVE_EMITTER(f) emit_native_xtensawin_##f
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#else
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#error "unknown native emitter"
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#endif
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@ -131,6 +134,7 @@ STATIC const emit_inline_asm_method_table_t *emit_asm_table[] = {
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&emit_inline_thumb_method_table,
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&emit_inline_thumb_method_table,
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&emit_inline_xtensa_method_table,
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NULL,
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};
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#elif MICROPY_EMIT_INLINE_ASM
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@ -174,6 +174,7 @@ extern const emit_method_table_t emit_native_x86_method_table;
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extern const emit_method_table_t emit_native_thumb_method_table;
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extern const emit_method_table_t emit_native_arm_method_table;
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extern const emit_method_table_t emit_native_xtensa_method_table;
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extern const emit_method_table_t emit_native_xtensawin_method_table;
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extern const mp_emit_method_table_id_ops_t mp_emit_bc_method_table_load_id_ops;
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extern const mp_emit_method_table_id_ops_t mp_emit_bc_method_table_store_id_ops;
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@ -185,6 +186,7 @@ emit_t *emit_native_x86_new(mp_obj_t *error_slot, uint *label_slot, mp_uint_t ma
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emit_t *emit_native_thumb_new(mp_obj_t *error_slot, uint *label_slot, mp_uint_t max_num_labels);
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emit_t *emit_native_arm_new(mp_obj_t *error_slot, uint *label_slot, mp_uint_t max_num_labels);
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emit_t *emit_native_xtensa_new(mp_obj_t *error_slot, uint *label_slot, mp_uint_t max_num_labels);
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emit_t *emit_native_xtensawin_new(mp_obj_t *error_slot, uint *label_slot, mp_uint_t max_num_labels);
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void emit_bc_set_max_num_labels(emit_t* emit, mp_uint_t max_num_labels);
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@ -194,6 +196,7 @@ void emit_native_x86_free(emit_t *emit);
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void emit_native_thumb_free(emit_t *emit);
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void emit_native_arm_free(emit_t *emit);
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void emit_native_xtensa_free(emit_t *emit);
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void emit_native_xtensawin_free(emit_t *emit);
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void mp_emit_bc_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scope);
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void mp_emit_bc_end_pass(emit_t *emit);
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@ -58,7 +58,7 @@
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#endif
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// wrapper around everything in this file
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#if N_X64 || N_X86 || N_THUMB || N_ARM || N_XTENSA
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#if N_X64 || N_X86 || N_THUMB || N_ARM || N_XTENSA || N_XTENSAWIN
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// C stack layout for native functions:
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// 0: nlr_buf_t [optional]
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@ -2404,7 +2404,7 @@ STATIC void emit_native_binary_op(emit_t *emit, mp_binary_op_t op) {
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ASM_ARM_CC_NE,
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};
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asm_arm_setcc_reg(emit->as, REG_RET, ccs[op - MP_BINARY_OP_LESS]);
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#elif N_XTENSA
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#elif N_XTENSA || N_XTENSAWIN
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static uint8_t ccs[6] = {
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ASM_XTENSA_CC_LT,
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0x80 | ASM_XTENSA_CC_LT, // for GT we'll swap args
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@ -0,0 +1,23 @@
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// Xtensa-Windowed specific stuff
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#include "py/mpconfig.h"
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#if MICROPY_EMIT_XTENSAWIN
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// this is defined so that the assembler exports generic assembler API macros
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#define GENERIC_ASM_API (1)
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#define GENERIC_ASM_API_WIN (1)
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#include "py/asmxtensa.h"
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// Word indices of REG_LOCAL_x in nlr_buf_t
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#define NLR_BUF_IDX_LOCAL_1 (2 + 4) // a4
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#define NLR_BUF_IDX_LOCAL_2 (2 + 5) // a5
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#define NLR_BUF_IDX_LOCAL_3 (2 + 6) // a6
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#define N_NLR_SETJMP (1)
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#define N_PRELUDE_AS_BYTES_OBJ (1)
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#define N_XTENSAWIN (1)
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#define EXPORT_FUN(name) emit_native_xtensawin_##name
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#include "py/emitnative.c"
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#endif
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@ -323,8 +323,16 @@
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#define MICROPY_EMIT_INLINE_XTENSA (0)
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#endif
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// Whether to emit Xtensa-Windowed native code
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#ifndef MICROPY_EMIT_XTENSAWIN
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#define MICROPY_EMIT_XTENSAWIN (0)
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#endif
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// Convenience definition for whether any native emitter is enabled
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#define MICROPY_EMIT_NATIVE (MICROPY_EMIT_X64 || MICROPY_EMIT_X86 || MICROPY_EMIT_THUMB || MICROPY_EMIT_ARM || MICROPY_EMIT_XTENSA)
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#define MICROPY_EMIT_NATIVE (MICROPY_EMIT_X64 || MICROPY_EMIT_X86 || MICROPY_EMIT_THUMB || MICROPY_EMIT_ARM || MICROPY_EMIT_XTENSA || MICROPY_EMIT_XTENSAWIN)
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// Select prelude-as-bytes-object for certain emitters
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#define MICROPY_EMIT_NATIVE_PRELUDE_AS_BYTES_OBJ (MICROPY_EMIT_XTENSAWIN)
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// Convenience definition for whether any inline assembler emitter is enabled
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#define MICROPY_EMIT_INLINE_ASM (MICROPY_EMIT_INLINE_THUMB || MICROPY_EMIT_INLINE_XTENSA)
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1
py/nlr.h
1
py/nlr.h
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@ -40,6 +40,7 @@
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#define MICROPY_NLR_NUM_REGS_ARM_THUMB (10)
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#define MICROPY_NLR_NUM_REGS_ARM_THUMB_FP (10 + 6)
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#define MICROPY_NLR_NUM_REGS_XTENSA (10)
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#define MICROPY_NLR_NUM_REGS_XTENSAWIN (17)
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// If MICROPY_NLR_SETJMP is not enabled then auto-detect the machine arch
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#if !MICROPY_NLR_SETJMP
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@ -71,6 +71,8 @@
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_ARMV6)
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#elif MICROPY_EMIT_XTENSA
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_XTENSA)
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#elif MICROPY_EMIT_XTENSAWIN
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_XTENSAWIN)
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#else
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#define MPY_FEATURE_ARCH (MP_NATIVE_ARCH_NONE)
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#endif
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@ -196,7 +198,7 @@ STATIC void arch_link_qstr(uint8_t *pc, bool is_obj, qstr qst) {
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if (is_obj) {
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val = (mp_uint_t)MP_OBJ_NEW_QSTR(qst);
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}
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#if MICROPY_EMIT_X86 || MICROPY_EMIT_X64 || MICROPY_EMIT_ARM || MICROPY_EMIT_XTENSA
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#if MICROPY_EMIT_X86 || MICROPY_EMIT_X64 || MICROPY_EMIT_ARM || MICROPY_EMIT_XTENSA || MICROPY_EMIT_XTENSAWIN
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pc[0] = val & 0xff;
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pc[1] = (val >> 8) & 0xff;
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pc[2] = (val >> 16) & 0xff;
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@ -44,6 +44,7 @@ enum {
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MP_NATIVE_ARCH_ARMV7EMSP,
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MP_NATIVE_ARCH_ARMV7EMDP,
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MP_NATIVE_ARCH_XTENSA,
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MP_NATIVE_ARCH_XTENSAWIN,
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};
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mp_raw_code_t *mp_raw_code_load(mp_reader_t *reader);
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1
py/py.mk
1
py/py.mk
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@ -76,6 +76,7 @@ PY_CORE_O_BASENAME = $(addprefix py/,\
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asmxtensa.o \
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emitnxtensa.o \
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emitinlinextensa.o \
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emitnxtensawin.o \
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formatfloat.o \
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parsenumbase.o \
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parsenum.o \
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@ -102,6 +102,7 @@ MP_NATIVE_ARCH_ARMV7EM = 6
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MP_NATIVE_ARCH_ARMV7EMSP = 7
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MP_NATIVE_ARCH_ARMV7EMDP = 8
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MP_NATIVE_ARCH_XTENSA = 9
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MP_NATIVE_ARCH_XTENSAWIN = 10
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MP_BC_MASK_EXTRA_BYTE = 0x9e
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