Testing out the metaprogram with some optimization, need to remove some hardcoding later..

This commit is contained in:
ed
2026-07-27 23:35:03 -04:00
parent 7421b32fd7
commit a704341fc6
6 changed files with 55 additions and 54 deletions
-1
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@@ -138,7 +138,6 @@
"monitor reset shellhalt",
"load build/hello_gte.dwarf-injected.elf",
"source scripts/gdb/gdb_tape_atoms.gdb",
"source build/gen/hello_gte.gdbinit",
"tbreak main",
"continue"
]
+6 -6
View File
@@ -98,11 +98,11 @@ WORD_COUNT(mac_format_f3_color, 3)
/* atom_dbg_skip */
/* Words: 3; Stores the 3 transformed (V2_S2 screen) vertices to the F3.
* PIPELINE: post-RTPT (SXY0=v0.screen, SXY1=v1.screen, SXY2=v2.screen). */
#define mac_gte_store_f3_post_rtpt(...) \
#define mac_gte_store_f3(...) \
gte_sw(C2_SXY0, R_PrimCursor, O_(Poly_F3,p0)) \
, gte_sw(C2_SXY1, R_PrimCursor, O_(Poly_F3,p1)) \
, gte_sw(C2_SXY2, R_PrimCursor, O_(Poly_F3,p2))
WORD_COUNT(mac_gte_store_f3_post_rtpt, 3)
WORD_COUNT(mac_gte_store_f3, 3)
#define mac_format_g4_color(r0, g0, b0, r1, g1, b1, r2, g2, b2, r3, g3, b3) \
mac_pack_color_word(O_(Poly_G4,c0), gp0_cmd_poly_g4, r0,g0,b0) \
@@ -117,18 +117,18 @@ WORD_COUNT(mac_format_g4_color, 12)
* PIPELINE: post-RTPT, pre-RTPS (SXY0=v0.screen, SXY1=v1.screen, SXY2=v2.screen).
* MUST be called BEFORE V3-RTPS, otherwise SXY0/1/2 get overwritten with v3
* (RTPS writes only to SXY2, but to keep the three registers aligned with v0/v1/v2 you must store before RTPS). */
#define mac_gte_store_g4_p012_post_rtpt_pre_rtps(...) \
#define mac_gte_store_g4_p012(...) \
gte_sw(C2_SXY0, R_PrimCursor, O_(Poly_G4,p0)) \
, gte_sw(C2_SXY1, R_PrimCursor, O_(Poly_G4,p1)) \
, gte_sw(C2_SXY2, R_PrimCursor, O_(Poly_G4,p2))
WORD_COUNT(mac_gte_store_g4_p012_post_rtpt_pre_rtps, 3)
WORD_COUNT(mac_gte_store_g4_p012, 3)
/* atom_dbg_skip */
/* Words: 1; Stores the V3 screen coord to the G4's p3 slot.
* PIPELINE: post-RTPS (SXY2 holds v3.screen because RTPS writes its single-vertex result to SXY2;
* SXY0 still holds v0.screen from the earlier RTPT.
*/
#define mac_gte_store_g4_p3_post_rtps(...) \
#define mac_gte_store_g4_p3(...) \
gte_sw(C2_SXY2, R_PrimCursor, O_(Poly_G4,p3))
WORD_COUNT(mac_gte_store_g4_p3_post_rtps, 1)
WORD_COUNT(mac_gte_store_g4_p3, 1)
+3 -3
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@@ -170,7 +170,7 @@ atom_dbg_skip MipsAtomComp_Proc_(ac_format_f3_color, { mac_pack_color_word(O_(Po
/* Words: 3; Stores the 3 transformed (V2_S2 screen) vertices to the F3.
* PIPELINE: post-RTPT (SXY0=v0.screen, SXY1=v1.screen, SXY2=v2.screen). */
atom_dbg_skip MipsAtomComp_(ac_gte_store_f3_post_rtpt) {
atom_dbg_skip MipsAtomComp_(ac_gte_store_f3) {
gte_sw(C2_SXY0, R_PrimCursor, O_(Poly_F3,p0)),
gte_sw(C2_SXY1, R_PrimCursor, O_(Poly_F3,p1)),
gte_sw(C2_SXY2, R_PrimCursor, O_(Poly_F3,p2)),
@@ -195,7 +195,7 @@ MipsAtomComp_Proc_(ac_format_g4_color, {
* PIPELINE: post-RTPT, pre-RTPS (SXY0=v0.screen, SXY1=v1.screen, SXY2=v2.screen).
* MUST be called BEFORE V3-RTPS, otherwise SXY0/1/2 get overwritten with v3
* (RTPS writes only to SXY2, but to keep the three registers aligned with v0/v1/v2 you must store before RTPS). */
atom_dbg_skip MipsAtomComp_(ac_gte_store_g4_p012_post_rtpt_pre_rtps) {
atom_dbg_skip MipsAtomComp_(ac_gte_store_g4_p012) {
gte_sw(C2_SXY0, R_PrimCursor, O_(Poly_G4,p0)),
gte_sw(C2_SXY1, R_PrimCursor, O_(Poly_G4,p1)),
gte_sw(C2_SXY2, R_PrimCursor, O_(Poly_G4,p2)),
@@ -205,7 +205,7 @@ atom_dbg_skip MipsAtomComp_(ac_gte_store_g4_p012_post_rtpt_pre_rtps) {
* PIPELINE: post-RTPS (SXY2 holds v3.screen because RTPS writes its single-vertex result to SXY2;
* SXY0 still holds v0.screen from the earlier RTPT.
*/
atom_dbg_skip MipsAtomComp_(ac_gte_store_g4_p3_post_rtps) { gte_sw(C2_SXY2, R_PrimCursor, O_(Poly_G4,p3)) };
atom_dbg_skip MipsAtomComp_(ac_gte_store_g4_p3) { gte_sw(C2_SXY2, R_PrimCursor, O_(Poly_G4,p3)) };
#pragma endregion Macro Atom Components
+4 -4
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@@ -5,10 +5,10 @@
#pragma region hello_gte_tape
// --- atom: cube_g4_face (79 words) ---
// --- atom: cube_g4_face (77 words) ---
#define _atom_offset_cull_cube_g4_face_exit 44
#define _atom_offset_bounds_chk_cube_g4_face_exit 12
#define _atom_offset_cull_cube_g4_face_exit 42
#define _atom_offset_bounds_chk_cube_g4_face_exit 24
enum {
atom_offset_cull_cube_g4_face_exit = _atom_offset_cull_cube_g4_face_exit,
@@ -18,7 +18,7 @@ enum {
// --- atom: floor_f3_face (58 words) ---
#define _atom_offset_culling_floor_f3_face_exit 25
#define _atom_offset_bounds_chk_floor_f3_face_exit 13
#define _atom_offset_bounds_chk_floor_f3_face_exit 16
enum {
atom_offset_culling_floor_f3_face_exit = _atom_offset_culling_floor_f3_face_exit,
+15 -15
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@@ -51,22 +51,18 @@ MipsAtom_(cube_g4_face) atom_info(atom_phase(cube_g4),
gte_cmdw_nclip,
gte_mv_from_data_r(R_T0, C2_MAC0),
nop, branch_le_zero(R_T0, atom_offset(cull, cube_g4_face_exit)), nop,
nop,
branch_le_zero(R_T0, atom_offset(cull, cube_g4_face_exit)), nop,
store_word(R_0, R_PrimCursor, O_(Poly_G4, tag)),
mac_format_g4_color(
/* c0 magenta */ 0xFF, 0x00, 0xFF,
/* c1 yellow */ 0xFF, 0xFF, 0x00,
/* c2 cyan */ 0x00, 0xFF, 0xFF,
/* c3 green */ 0x00, 0xFF, 0x00),
mac_gte_store_g4_p012_post_rtpt_pre_rtps(),
shift_lleft(R_AT, R_T3, v3s2_byteoff), add_u(R_AT, R_AT, R_VertBase),
load_word(R_V0, R_AT, O_(V3_S2, x)), load_word(R_V1, R_AT, O_(V3_S2, z)),
gte_mv_to_data_r(R_V0, C2_VXY0), gte_mv_to_data_r(R_V1, C2_VZ0),
nop2, gte_cmdw_rotate_translate_perspective_single,
mac_gte_store_g4_p3_post_rtps(),
mac_gte_store_g4_p012(),
gte_cmdw_rotate_translate_perspective_single,
mac_gte_store_g4_p3(),
gte_cmdw_avg_sort_z4,
gte_mv_from_data_r(R_T1, C2_OTZ),
@@ -74,6 +70,11 @@ MipsAtom_(cube_g4_face) atom_info(atom_phase(cube_g4),
add_ui( R_AT, R_0, OrderingTbl_Len),
set_lt_u( R_AT, R_T1, R_AT),
branch_equal(R_AT, R_0, atom_offset(bounds_chk, cube_g4_face_exit)), nop,
mac_format_g4_color(
/* c0 magenta */ 0xFF, 0x00, 0xFF,
/* c1 yellow */ 0xFF, 0xFF, 0x00,
/* c2 cyan */ 0x00, 0xFF, 0xFF,
/* c3 green */ 0x00, 0xFF, 0x00),
mac_insert_ot_tag_g4(),
atom_label(cube_g4_face_exit)
@@ -102,11 +103,11 @@ MipsAtom_(rbind_floor_f3_face) atom_info(atom_bind(Binds_FloorTri), atom_phase(f
mac_yield()
};
atom_dbg_skip
// atom_dbg_skip
internal
MipsAtom_(floor_f3_face) atom_info(atom_phase(floor_f3)
, atom_reads( R_PrimCursor, R_FaceCursor, R_VertBase, R_OtBase)
, atom_writes(R_PrimCursor, R_FaceCursr)
, atom_writes(R_PrimCursor, R_FaceCursor)
) {
mac_load_tri_indices( R_T0, R_T1, R_T2),
mac_gte_load_tri_verts(R_T0, R_T1, R_T2),
@@ -117,8 +118,7 @@ MipsAtom_(floor_f3_face) atom_info(atom_phase(floor_f3)
gte_mv_from_data_r(R_T0, C2_MAC0),
nop, branch_le_zero(R_T0, atom_offset(culling, floor_f3_face_exit)), nop, // required gte -> cpu load-delay slot.
/* Format Primitive */
mac_format_f3_color(0xFF, 0xFF, 0xFF), // RGB-form (R=FF, G=FF, B=FF = white)
mac_gte_store_f3_post_rtpt(),
mac_gte_store_f3(),
/* Calculate Depth */
gte_avg_sort_z3,
@@ -127,8 +127,8 @@ MipsAtom_(floor_f3_face) atom_info(atom_phase(floor_f3)
add_ui( R_AT, R_0, OrderingTbl_Len),
set_lt_u( R_AT, R_T1, R_AT),
branch_equal(R_AT, R_0, atom_offset(bounds_chk, floor_f3_face_exit)), nop,
/* Insert into Ordering Table Linked List */
mac_insert_ot_tag_f3(),
mac_format_f3_color(0xFF, 0xFF, 0xFF), // RGB-form (R=FF, G=FF, B=FF = white)
mac_insert_ot_tag_f3(), /* Insert into Ordering Table Linked List */
add_ui_self(R_PrimCursor, S_(Poly_F3)), /* Advance Prim Cursor (5 words) */
// Note(Ed): No bounds checking, should be checked before atom runs.
+27 -25
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@@ -1180,8 +1180,7 @@ M.GTE_COMMAND_INPUTS = {
-- * "mac_result" : generic MAC output (nclip, op, mvmva)
--
-- Consumers:
-- * passes/static_analysis.lua::analyze_hardware_relations (the walker reads this after a GTE command to update
-- `forward_state.post_command_roles` for `gte_role_mismatch`).
-- * passes/static_analysis.lua::analyze_hardware_relations (the walker reads this after a GTE command to update `forward_state.post_command_roles` for `gte_role_mismatch`).
-- * passes/static_analysis.lua::check_gte_role_mismatch (per-atom CHECK_RULES reader; renders role mismatches).
-- This table is consumed by the hardware-relation analyzer and the gte_role_mismatch check.
M.GTE_COMMAND_OUTPUTS = {
@@ -1294,8 +1293,7 @@ M.GTE_COMMAND_LATCH_WINDOWS = {
}
-- GTE component result contracts were removed: the `_post_<cmd>` naming convention was a soft convention
-- (the user did not want it formalized via static-analysis enforcement). A proper `atom_info` directive for
-- ordering semantics is a future TODO.
-- (the user did not want it formalized via static-analysis enforcement). A proper `atom_info` directive for ordering semantics is a future TODO.
-- Operand-class table for the COP2->GPR load-delay check.
--
@@ -1424,20 +1422,21 @@ M.GP0_CMD_BY_SHAPE = {
["g4"] = 0x38, ["gt4"] = 0x3C,
}
-- TODO(Ed): REMOVE THIS HARDCODE, THIS SHOULD BE RESOLVED AUTOMATICALLY
-- Per-macro prim-buffer contribution: how many 32-bit words each macro writes to the primitive being built in main RAM.
-- (This counts RAM-side prim-buffer words, not .text instruction words.)
-- The sum across `mac_format_X_color` + `mac_gte_store_X_post_*` + `mac_insert_ot_tag_X` calls in an atom body must equal
-- `GP0_CMD_SIZE[GP0_CMD_BY_SHAPE[shape]]`.
M.GP0_MACRO_CONTRIB = {
["mac_format_f3_color"] = 1,
["mac_format_g3_color"] = 3,
["mac_format_g4_color"] = 4,
["mac_gte_store_f3_post_rtpt"] = 3,
["mac_gte_store_g3_post_rtpt"] = 3,
["mac_gte_store_g4_p012_post_rtpt_pre_rtps"] = 3,
["mac_gte_store_g4_p3_post_rtps"] = 1,
["mac_insert_ot_tag_f3"] = 1,
["mac_insert_ot_tag_g4"] = 1,
["mac_format_f3_color"] = 1,
["mac_format_g3_color"] = 3,
["mac_format_g4_color"] = 4,
["mac_gte_store_f3"] = 3,
["mac_gte_store_g3"] = 3,
["mac_gte_store_g4_p012"] = 3,
["mac_gte_store_g4_p3"] = 1,
["mac_insert_ot_tag_f3"] = 1,
["mac_insert_ot_tag_g4"] = 1,
}
-- Per-macro cycle cost (best-case, no stalls). Used by the static-analysis pass to emit per-atom cycle budgets.
@@ -1560,20 +1559,23 @@ M.INSTRUCTION_LATENCY = {
["gte_load_v1"] = 2,
["gte_load_v2"] = 2,
["gte_load_v0v1v2"] = 6,
-- TODO(Ed): REMOVE THIS HARDCODE, THIS SHOULD BE RESOLVED AUTOMATICALLY
-- mac_* helpers (cycle cost = sum of the expanded instructions)
-- mac_yield transfers control; cycle budget is 0 (the next atom absorbs the cost).
["mac_yield"] = 0,
["mac_pack_color_word"] = 3, -- lui + ori + sw
["mac_format_f3_color"] = 3, -- = mac_pack_color_word
["mac_format_g4_color"] = 12, -- 4 x mac_pack_color_word
["mac_load_tri_indices"] = 3, -- 3 x lhu
["mac_gte_load_tri_verts"] = 18, -- 3 x {sll, addu, lw, lw, mtc2, mtc2}
["mac_gte_store_f3_post_rtpt"] = 3,
["mac_gte_store_g3_post_rtpt"] = 3,
["mac_gte_store_g4_p012_post_rtpt_pre_rtps"] = 3,
["mac_gte_store_g4_p3_post_rtps"] = 1,
["mac_insert_ot_tag_f3"] = 11, -- 11 .word slots in the macro body
["mac_insert_ot_tag_g4"] = 11,
["mac_yield"] = 0,
["mac_pack_color_word"] = 3, -- lui + ori + sw
["mac_format_f3_color"] = 3, -- = mac_pack_color_word
["mac_format_g4_color"] = 12, -- 4 x mac_pack_color_word
["mac_load_tri_indices"] = 3, -- 3 x lhu
["mac_gte_load_tri_verts"] = 18, -- 3 x {sll, addu, lw, lw, mtc2, mtc2}
["mac_gte_store_f3"] = 3,
["mac_gte_store_g3"] = 3,
["mac_gte_store_g4_p012"] = 3,
["mac_gte_store_g4_p3"] = 1,
["mac_insert_ot_tag_f3"] = 11, -- 11 .word slots in the macro body
["mac_insert_ot_tag_g4"] = 11,
-- Annotation markers (emit no code; pure metaprogram hints)
["atom_label"] = 0,
["atom_offset"] = 0,