diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnvc0.fuc')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnvc0.fuc | 790 |
1 files changed, 20 insertions, 770 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnvc0.fuc b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnvc0.fuc index 7fbdebb2bafb..f144f665b807 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnvc0.fuc +++ b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnvc0.fuc @@ -1,6 +1,5 @@ -/* fuc microcode for nvc0 PGRAPH/HUB - * - * Copyright 2011 Red Hat Inc. +/* + * Copyright 2013 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -20,22 +19,16 @@ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * - * Authors: Ben Skeggs + * Authors: Ben Skeggs <bskeggs@redhat.com> */ -/* To build: - * m4 hubnvc0.fuc | envyas -a -w -m fuc -V fuc3 -o hubnvc0.fuc.h - */ +#define NVGF +#include "macros.fuc" .section #nvc0_grhub_data -include(`nvc0.fuc') -gpc_count: .b32 0 -rop_count: .b32 0 -cmd_queue: queue_init -hub_mmio_list_head: .b32 0 -hub_mmio_list_tail: .b32 0 - -ctx_current: .b32 0 +#define INCLUDE_DATA +#include "com.fuc" +#include "hub.fuc" chipsets: .b8 0xc0 0 0 0 @@ -68,9 +61,12 @@ chipsets: .b8 0 0 0 0 nvc0_hub_mmio_head: +mmctx_data(0x40402c, 1) +mmctx_data(0x404174, 1) +nvd9_hub_mmio_head: mmctx_data(0x17e91c, 2) mmctx_data(0x400204, 2) -mmctx_data(0x404004, 11) +mmctx_data(0x404004, 10) mmctx_data(0x404044, 1) mmctx_data(0x404094, 14) mmctx_data(0x4040d0, 7) @@ -78,7 +74,7 @@ mmctx_data(0x4040f8, 1) mmctx_data(0x404130, 3) mmctx_data(0x404150, 3) mmctx_data(0x404164, 2) -mmctx_data(0x404174, 3) +mmctx_data(0x404178, 2) mmctx_data(0x404200, 8) mmctx_data(0x404404, 14) mmctx_data(0x404460, 4) @@ -105,765 +101,19 @@ mmctx_data(0x4078bc, 1) mmctx_data(0x408000, 7) mmctx_data(0x408064, 1) mmctx_data(0x408800, 3) -mmctx_data(0x408900, 4) +mmctx_data(0x408900, 3) mmctx_data(0x408980, 1) nvc0_hub_mmio_tail: mmctx_data(0x4064c0, 2) nvc1_hub_mmio_tail: - -nvd9_hub_mmio_head: -mmctx_data(0x17e91c, 2) -mmctx_data(0x400204, 2) -mmctx_data(0x404004, 10) -mmctx_data(0x404044, 1) -mmctx_data(0x404094, 14) -mmctx_data(0x4040d0, 7) -mmctx_data(0x4040f8, 1) -mmctx_data(0x404130, 3) -mmctx_data(0x404150, 3) -mmctx_data(0x404164, 2) -mmctx_data(0x404178, 2) -mmctx_data(0x404200, 8) -mmctx_data(0x404404, 14) -mmctx_data(0x404460, 4) -mmctx_data(0x404480, 1) -mmctx_data(0x404498, 1) -mmctx_data(0x404604, 4) -mmctx_data(0x404618, 32) -mmctx_data(0x404698, 21) -mmctx_data(0x4046f0, 2) -mmctx_data(0x404700, 22) -mmctx_data(0x405800, 1) -mmctx_data(0x405830, 3) -mmctx_data(0x405854, 1) -mmctx_data(0x405870, 4) -mmctx_data(0x405a00, 2) -mmctx_data(0x405a18, 1) -mmctx_data(0x406020, 1) -mmctx_data(0x406028, 4) -mmctx_data(0x4064a8, 2) -mmctx_data(0x4064b4, 5) -mmctx_data(0x407804, 1) -mmctx_data(0x40780c, 6) -mmctx_data(0x4078bc, 1) -mmctx_data(0x408000, 7) -mmctx_data(0x408064, 1) -mmctx_data(0x408800, 3) -mmctx_data(0x408900, 4) -mmctx_data(0x408980, 1) +mmctx_data(0x4064bc, 3) nvd9_hub_mmio_tail: - -.align 256 -chan_data: -chan_mmio_count: .b32 0 -chan_mmio_address: .b32 0 - -.align 256 -xfer_data: .b32 0 +#undef INCLUDE_DATA .section #nvc0_grhub_code +#define INCLUDE_CODE bra #init -define(`include_code') -include(`nvc0.fuc') - -// reports an exception to the host -// -// In: $r15 error code (see nvc0.fuc) -// -error: - push $r14 - mov $r14 0x814 - shl b32 $r14 6 - iowr I[$r14 + 0x000] $r15 // CC_SCRATCH[5] = error code - mov $r14 0xc1c - shl b32 $r14 6 - mov $r15 1 - iowr I[$r14 + 0x000] $r15 // INTR_UP_SET - pop $r14 - ret - -// HUB fuc initialisation, executed by triggering ucode start, will -// fall through to main loop after completion. -// -// Input: -// CC_SCRATCH[0]: chipset (PMC_BOOT_0 read returns 0x0bad0bad... sigh) -// -// Output: -// CC_SCRATCH[0]: -// 31:31: set to signal completion -// CC_SCRATCH[1]: -// 31:0: total PGRAPH context size -// -init: - clear b32 $r0 - mov $sp $r0 - mov $xdbase $r0 - - // enable fifo access - mov $r1 0x1200 - mov $r2 2 - iowr I[$r1 + 0x000] $r2 // FIFO_ENABLE - - // setup i0 handler, and route all interrupts to it - mov $r1 #ih - mov $iv0 $r1 - mov $r1 0x400 - iowr I[$r1 + 0x300] $r0 // INTR_DISPATCH - - // route HUB_CHANNEL_SWITCH to fuc interrupt 8 - mov $r3 0x404 - shl b32 $r3 6 - mov $r2 0x2003 // { HUB_CHANNEL_SWITCH, ZERO } -> intr 8 - iowr I[$r3 + 0x000] $r2 - - // not sure what these are, route them because NVIDIA does, and - // the IRQ handler will signal the host if we ever get one.. we - // may find out if/why we need to handle these if so.. - // - mov $r2 0x2004 - iowr I[$r3 + 0x004] $r2 // { 0x04, ZERO } -> intr 9 - mov $r2 0x200b - iowr I[$r3 + 0x008] $r2 // { 0x0b, ZERO } -> intr 10 - mov $r2 0x200c - iowr I[$r3 + 0x01c] $r2 // { 0x0c, ZERO } -> intr 15 - - // enable all INTR_UP interrupts - mov $r2 0xc24 - shl b32 $r2 6 - not b32 $r3 $r0 - iowr I[$r2] $r3 - - // enable fifo, ctxsw, 9, 10, 15 interrupts - mov $r2 -0x78fc // 0x8704 - sethi $r2 0 - iowr I[$r1 + 0x000] $r2 // INTR_EN_SET - - // fifo level triggered, rest edge - sub b32 $r1 0x100 - mov $r2 4 - iowr I[$r1] $r2 - - // enable interrupts - bset $flags ie0 - - // fetch enabled GPC/ROP counts - mov $r14 -0x69fc // 0x409604 - sethi $r14 0x400000 - call #nv_rd32 - extr $r1 $r15 16:20 - st b32 D[$r0 + #rop_count] $r1 - and $r15 0x1f - st b32 D[$r0 + #gpc_count] $r15 - - // set BAR_REQMASK to GPC mask - mov $r1 1 - shl b32 $r1 $r15 - sub b32 $r1 1 - mov $r2 0x40c - shl b32 $r2 6 - iowr I[$r2 + 0x000] $r1 - iowr I[$r2 + 0x100] $r1 - - // find context data for this chipset - mov $r2 0x800 - shl b32 $r2 6 - iord $r2 I[$r2 + 0x000] // CC_SCRATCH[0] - mov $r15 #chipsets - 8 - init_find_chipset: - add b32 $r15 8 - ld b32 $r3 D[$r15 + 0x00] - cmpu b32 $r3 $r2 - bra e #init_context - cmpu b32 $r3 0 - bra ne #init_find_chipset - // unknown chipset - ret - - // context size calculation, reserve first 256 bytes for use by fuc - init_context: - mov $r1 256 - - // calculate size of mmio context data - ld b16 $r14 D[$r15 + 4] - ld b16 $r15 D[$r15 + 6] - sethi $r14 0 - st b32 D[$r0 + #hub_mmio_list_head] $r14 - st b32 D[$r0 + #hub_mmio_list_tail] $r15 - call #mmctx_size - - // set mmctx base addresses now so we don't have to do it later, - // they don't (currently) ever change - mov $r3 0x700 - shl b32 $r3 6 - shr b32 $r4 $r1 8 - iowr I[$r3 + 0x000] $r4 // MMCTX_SAVE_SWBASE - iowr I[$r3 + 0x100] $r4 // MMCTX_LOAD_SWBASE - add b32 $r3 0x1300 - add b32 $r1 $r15 - shr b32 $r15 2 - iowr I[$r3 + 0x000] $r15 // MMCTX_LOAD_COUNT, wtf for?!? - - // strands, base offset needs to be aligned to 256 bytes - shr b32 $r1 8 - add b32 $r1 1 - shl b32 $r1 8 - mov b32 $r15 $r1 - call #strand_ctx_init - add b32 $r1 $r15 - - // initialise each GPC in sequence by passing in the offset of its - // context data in GPCn_CC_SCRATCH[1], and starting its FUC (which - // has previously been uploaded by the host) running. - // - // the GPC fuc init sequence will set GPCn_CC_SCRATCH[0] bit 31 - // when it has completed, and return the size of its context data - // in GPCn_CC_SCRATCH[1] - // - ld b32 $r3 D[$r0 + #gpc_count] - mov $r4 0x2000 - sethi $r4 0x500000 - init_gpc: - // setup, and start GPC ucode running - add b32 $r14 $r4 0x804 - mov b32 $r15 $r1 - call #nv_wr32 // CC_SCRATCH[1] = ctx offset - add b32 $r14 $r4 0x800 - mov b32 $r15 $r2 - call #nv_wr32 // CC_SCRATCH[0] = chipset - add b32 $r14 $r4 0x10c - clear b32 $r15 - call #nv_wr32 - add b32 $r14 $r4 0x104 - call #nv_wr32 // ENTRY - add b32 $r14 $r4 0x100 - mov $r15 2 // CTRL_START_TRIGGER - call #nv_wr32 // CTRL - - // wait for it to complete, and adjust context size - add b32 $r14 $r4 0x800 - init_gpc_wait: - call #nv_rd32 - xbit $r15 $r15 31 - bra e #init_gpc_wait - add b32 $r14 $r4 0x804 - call #nv_rd32 - add b32 $r1 $r15 - - // next! - add b32 $r4 0x8000 - sub b32 $r3 1 - bra ne #init_gpc - - // save context size, and tell host we're ready - mov $r2 0x800 - shl b32 $r2 6 - iowr I[$r2 + 0x100] $r1 // CC_SCRATCH[1] = context size - add b32 $r2 0x800 - clear b32 $r1 - bset $r1 31 - iowr I[$r2 + 0x000] $r1 // CC_SCRATCH[0] |= 0x80000000 - -// Main program loop, very simple, sleeps until woken up by the interrupt -// handler, pulls a command from the queue and executes its handler -// -main: - // sleep until we have something to do - bset $flags $p0 - sleep $p0 - mov $r13 #cmd_queue - call #queue_get - bra $p1 #main - - // context switch, requested by GPU? - cmpu b32 $r14 0x4001 - bra ne #main_not_ctx_switch - trace_set(T_AUTO) - mov $r1 0xb00 - shl b32 $r1 6 - iord $r2 I[$r1 + 0x100] // CHAN_NEXT - iord $r1 I[$r1 + 0x000] // CHAN_CUR - - xbit $r3 $r1 31 - bra e #chsw_no_prev - xbit $r3 $r2 31 - bra e #chsw_prev_no_next - push $r2 - mov b32 $r2 $r1 - trace_set(T_SAVE) - bclr $flags $p1 - bset $flags $p2 - call #ctx_xfer - trace_clr(T_SAVE); - pop $r2 - trace_set(T_LOAD); - bset $flags $p1 - call #ctx_xfer - trace_clr(T_LOAD); - bra #chsw_done - chsw_prev_no_next: - push $r2 - mov b32 $r2 $r1 - bclr $flags $p1 - bclr $flags $p2 - call #ctx_xfer - pop $r2 - mov $r1 0xb00 - shl b32 $r1 6 - iowr I[$r1] $r2 - bra #chsw_done - chsw_no_prev: - xbit $r3 $r2 31 - bra e #chsw_done - bset $flags $p1 - bclr $flags $p2 - call #ctx_xfer - - // ack the context switch request - chsw_done: - mov $r1 0xb0c - shl b32 $r1 6 - mov $r2 1 - iowr I[$r1 + 0x000] $r2 // 0x409b0c - trace_clr(T_AUTO) - bra #main - - // request to set current channel? (*not* a context switch) - main_not_ctx_switch: - cmpu b32 $r14 0x0001 - bra ne #main_not_ctx_chan - mov b32 $r2 $r15 - call #ctx_chan - bra #main_done - - // request to store current channel context? - main_not_ctx_chan: - cmpu b32 $r14 0x0002 - bra ne #main_not_ctx_save - trace_set(T_SAVE) - bclr $flags $p1 - bclr $flags $p2 - call #ctx_xfer - trace_clr(T_SAVE) - bra #main_done - - main_not_ctx_save: - shl b32 $r15 $r14 16 - or $r15 E_BAD_COMMAND - call #error - bra #main - - main_done: - mov $r1 0x820 - shl b32 $r1 6 - clear b32 $r2 - bset $r2 31 - iowr I[$r1 + 0x000] $r2 // CC_SCRATCH[0] |= 0x80000000 - bra #main - -// interrupt handler -ih: - push $r8 - mov $r8 $flags - push $r8 - push $r9 - push $r10 - push $r11 - push $r13 - push $r14 - push $r15 - - // incoming fifo command? - iord $r10 I[$r0 + 0x200] // INTR - and $r11 $r10 0x00000004 - bra e #ih_no_fifo - // queue incoming fifo command for later processing - mov $r11 0x1900 - mov $r13 #cmd_queue - iord $r14 I[$r11 + 0x100] // FIFO_CMD - iord $r15 I[$r11 + 0x000] // FIFO_DATA - call #queue_put - add b32 $r11 0x400 - mov $r14 1 - iowr I[$r11 + 0x000] $r14 // FIFO_ACK - - // context switch request? - ih_no_fifo: - and $r11 $r10 0x00000100 - bra e #ih_no_ctxsw - // enqueue a context switch for later processing - mov $r13 #cmd_queue - mov $r14 0x4001 - call #queue_put - - // anything we didn't handle, bring it to the host's attention - ih_no_ctxsw: - mov $r11 0x104 - not b32 $r11 - and $r11 $r10 $r11 - bra e #ih_no_other - mov $r10 0xc1c - shl b32 $r10 6 - iowr I[$r10] $r11 // INTR_UP_SET - - // ack, and wake up main() - ih_no_other: - iowr I[$r0 + 0x100] $r10 // INTR_ACK - - pop $r15 - pop $r14 - pop $r13 - pop $r11 - pop $r10 - pop $r9 - pop $r8 - mov $flags $r8 - pop $r8 - bclr $flags $p0 - iret - -// Not real sure, but, MEM_CMD 7 will hang forever if this isn't done -ctx_4160s: - mov $r14 0x4160 - sethi $r14 0x400000 - mov $r15 1 - call #nv_wr32 - ctx_4160s_wait: - call #nv_rd32 - xbit $r15 $r15 4 - bra e #ctx_4160s_wait - ret - -// Without clearing again at end of xfer, some things cause PGRAPH -// to hang with STATUS=0x00000007 until it's cleared.. fbcon can -// still function with it set however... -ctx_4160c: - mov $r14 0x4160 - sethi $r14 0x400000 - clear b32 $r15 - call #nv_wr32 - ret - -// Again, not real sure -// -// In: $r15 value to set 0x404170 to -// -ctx_4170s: - mov $r14 0x4170 - sethi $r14 0x400000 - or $r15 0x10 - call #nv_wr32 - ret - -// Waits for a ctx_4170s() call to complete -// -ctx_4170w: - mov $r14 0x4170 - sethi $r14 0x400000 - call #nv_rd32 - and $r15 0x10 - bra ne #ctx_4170w - ret - -// Disables various things, waits a bit, and re-enables them.. -// -// Not sure how exactly this helps, perhaps "ENABLE" is not such a -// good description for the bits we turn off? Anyways, without this, -// funny things happen. -// -ctx_redswitch: - mov $r14 0x614 - shl b32 $r14 6 - mov $r15 0x270 - iowr I[$r14] $r15 // HUB_RED_SWITCH = ENABLE_GPC, POWER_ALL - mov $r15 8 - ctx_redswitch_delay: - sub b32 $r15 1 - bra ne #ctx_redswitch_delay - mov $r15 0x770 - iowr I[$r14] $r15 // HUB_RED_SWITCH = ENABLE_ALL, POWER_ALL - ret - -// Not a clue what this is for, except that unless the value is 0x10, the -// strand context is saved (and presumably restored) incorrectly.. -// -// In: $r15 value to set to (0x00/0x10 are used) -// -ctx_86c: - mov $r14 0x86c - shl b32 $r14 6 - iowr I[$r14] $r15 // HUB(0x86c) = val - mov $r14 -0x75ec - sethi $r14 0x400000 - call #nv_wr32 // ROP(0xa14) = val - mov $r14 -0x5794 - sethi $r14 0x410000 - call #nv_wr32 // GPC(0x86c) = val - ret - -// ctx_load - load's a channel's ctxctl data, and selects its vm -// -// In: $r2 channel address -// -ctx_load: - trace_set(T_CHAN) - - // switch to channel, somewhat magic in parts.. - mov $r10 12 // DONE_UNK12 - call #wait_donez - mov $r1 0xa24 - shl b32 $r1 6 - iowr I[$r1 + 0x000] $r0 // 0x409a24 - mov $r3 0xb00 - shl b32 $r3 6 - iowr I[$r3 + 0x100] $r2 // CHAN_NEXT - mov $r1 0xa0c - shl b32 $r1 6 - mov $r4 7 - iowr I[$r1 + 0x000] $r2 // MEM_CHAN - iowr I[$r1 + 0x100] $r4 // MEM_CMD - ctx_chan_wait_0: - iord $r4 I[$r1 + 0x100] - and $r4 0x1f - bra ne #ctx_chan_wait_0 - iowr I[$r3 + 0x000] $r2 // CHAN_CUR - - // load channel header, fetch PGRAPH context pointer - mov $xtargets $r0 - bclr $r2 31 - shl b32 $r2 4 - add b32 $r2 2 - - trace_set(T_LCHAN) - mov $r1 0xa04 - shl b32 $r1 6 - iowr I[$r1 + 0x000] $r2 // MEM_BASE - mov $r1 0xa20 - shl b32 $r1 6 - mov $r2 0x0002 - sethi $r2 0x80000000 - iowr I[$r1 + 0x000] $r2 // MEM_TARGET = vram - mov $r1 0x10 // chan + 0x0210 - mov $r2 #xfer_data - sethi $r2 0x00020000 // 16 bytes - xdld $r1 $r2 - xdwait - trace_clr(T_LCHAN) - - // update current context - ld b32 $r1 D[$r0 + #xfer_data + 4] - shl b32 $r1 24 - ld b32 $r2 D[$r0 + #xfer_data + 0] - shr b32 $r2 8 - or $r1 $r2 - st b32 D[$r0 + #ctx_current] $r1 - - // set transfer base to start of context, and fetch context header - trace_set(T_LCTXH) - mov $r2 0xa04 - shl b32 $r2 6 - iowr I[$r2 + 0x000] $r1 // MEM_BASE - mov $r2 1 - mov $r1 0xa20 - shl b32 $r1 6 - iowr I[$r1 + 0x000] $r2 // MEM_TARGET = vm - mov $r1 #chan_data - sethi $r1 0x00060000 // 256 bytes - xdld $r0 $r1 - xdwait - trace_clr(T_LCTXH) - - trace_clr(T_CHAN) - ret - -// ctx_chan - handler for HUB_SET_CHAN command, will set a channel as -// the active channel for ctxctl, but not actually transfer -// any context data. intended for use only during initial -// context construction. -// -// In: $r2 channel address -// -ctx_chan: - call #ctx_4160s - call #ctx_load - mov $r10 12 // DONE_UNK12 - call #wait_donez - mov $r1 0xa10 - shl b32 $r1 6 - mov $r2 5 - iowr I[$r1 + 0x000] $r2 // MEM_CMD = 5 (???) - ctx_chan_wait: - iord $r2 I[$r1 + 0x000] - or $r2 $r2 - bra ne #ctx_chan_wait - call #ctx_4160c - ret - -// Execute per-context state overrides list -// -// Only executed on the first load of a channel. Might want to look into -// removing this and having the host directly modify the channel's context -// to change this state... The nouveau DRM already builds this list as -// it's definitely needed for NVIDIA's, so we may as well use it for now -// -// Input: $r1 mmio list length -// -ctx_mmio_exec: - // set transfer base to be the mmio list - ld b32 $r3 D[$r0 + #chan_mmio_address] - mov $r2 0xa04 - shl b32 $r2 6 - iowr I[$r2 + 0x000] $r3 // MEM_BASE - - clear b32 $r3 - ctx_mmio_loop: - // fetch next 256 bytes of mmio list if necessary - and $r4 $r3 0xff - bra ne #ctx_mmio_pull - mov $r5 #xfer_data - sethi $r5 0x00060000 // 256 bytes - xdld $r3 $r5 - xdwait - - // execute a single list entry - ctx_mmio_pull: - ld b32 $r14 D[$r4 + #xfer_data + 0x00] - ld b32 $r15 D[$r4 + #xfer_data + 0x04] - call #nv_wr32 - - // next! - add b32 $r3 8 - sub b32 $r1 1 - bra ne #ctx_mmio_loop - - // set transfer base back to the current context - ctx_mmio_done: - ld b32 $r3 D[$r0 + #ctx_current] - iowr I[$r2 + 0x000] $r3 // MEM_BASE - - // disable the mmio list now, we don't need/want to execute it again - st b32 D[$r0 + #chan_mmio_count] $r0 - mov $r1 #chan_data - sethi $r1 0x00060000 // 256 bytes - xdst $r0 $r1 - xdwait - ret - -// Transfer HUB context data between GPU and storage area -// -// In: $r2 channel address -// $p1 clear on save, set on load -// $p2 set if opposite direction done/will be done, so: -// on save it means: "a load will follow this save" -// on load it means: "a save preceeded this load" -// -ctx_xfer: - // according to mwk, some kind of wait for idle - mov $r15 0xc00 - shl b32 $r15 6 - mov $r14 4 - iowr I[$r15 + 0x200] $r14 - ctx_xfer_idle: - iord $r14 I[$r15 + 0x000] - and $r14 0x2000 - bra ne #ctx_xfer_idle - - bra not $p1 #ctx_xfer_pre - bra $p2 #ctx_xfer_pre_load - ctx_xfer_pre: - mov $r15 0x10 - call #ctx_86c - call #ctx_4160s - bra not $p1 #ctx_xfer_exec - - ctx_xfer_pre_load: - mov $r15 2 - call #ctx_4170s - call #ctx_4170w - call #ctx_redswitch - clear b32 $r15 - call #ctx_4170s - call #ctx_load - - // fetch context pointer, and initiate xfer on all GPCs - ctx_xfer_exec: - ld b32 $r1 D[$r0 + #ctx_current] - mov $r2 0x414 - shl b32 $r2 6 - iowr I[$r2 + 0x000] $r0 // BAR_STATUS = reset - mov $r14 -0x5b00 - sethi $r14 0x410000 - mov b32 $r15 $r1 - call #nv_wr32 // GPC_BCAST_WRCMD_DATA = ctx pointer - add b32 $r14 4 - xbit $r15 $flags $p1 - xbit $r2 $flags $p2 - shl b32 $r2 1 - or $r15 $r2 - call #nv_wr32 // GPC_BCAST_WRCMD_CMD = GPC_XFER(type) - - // strands - mov $r1 0x4afc - sethi $r1 0x20000 - mov $r2 0xc - iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x0c - call #strand_wait - mov $r2 0x47fc - sethi $r2 0x20000 - iowr I[$r2] $r0 // STRAND_FIRST_GENE(0x3f) = 0x00 - xbit $r2 $flags $p1 - add b32 $r2 3 - iowr I[$r1] $r2 // STRAND_CMD(0x3f) = 0x03/0x04 (SAVE/LOAD) - - // mmio context - xbit $r10 $flags $p1 // direction - or $r10 6 // first, last - mov $r11 0 // base = 0 - ld b32 $r12 D[$r0 + #hub_mmio_list_head] - ld b32 $r13 D[$r0 + #hub_mmio_list_tail] - mov $r14 0 // not multi - call #mmctx_xfer - - // wait for GPCs to all complete - mov $r10 8 // DONE_BAR - call #wait_doneo - - // wait for strand xfer to complete - call #strand_wait - - // post-op - bra $p1 #ctx_xfer_post - mov $r10 12 // DONE_UNK12 - call #wait_donez - mov $r1 0xa10 - shl b32 $r1 6 - mov $r2 5 - iowr I[$r1] $r2 // MEM_CMD - ctx_xfer_post_save_wait: - iord $r2 I[$r1] - or $r2 $r2 - bra ne #ctx_xfer_post_save_wait - - bra $p2 #ctx_xfer_done - ctx_xfer_post: - mov $r15 2 - call #ctx_4170s - clear b32 $r15 - call #ctx_86c - call #strand_post - call #ctx_4170w - clear b32 $r15 - call #ctx_4170s - - bra not $p1 #ctx_xfer_no_post_mmio - ld b32 $r1 D[$r0 + #chan_mmio_count] - or $r1 $r1 - bra e #ctx_xfer_no_post_mmio - call #ctx_mmio_exec - - ctx_xfer_no_post_mmio: - call #ctx_4160c - - ctx_xfer_done: - ret - +#include "com.fuc" +#include "hub.fuc" .align 256 +#undef INCLUDE_CODE |