diff options
Diffstat (limited to 'nvkm/engine/crypt/fuc/nv98.fuc')
| -rw-r--r-- | nvkm/engine/crypt/fuc/nv98.fuc | 698 |
1 files changed, 0 insertions, 698 deletions
diff --git a/nvkm/engine/crypt/fuc/nv98.fuc b/nvkm/engine/crypt/fuc/nv98.fuc deleted file mode 100644 index 629da02dc..000000000 --- a/nvkm/engine/crypt/fuc/nv98.fuc +++ /dev/null @@ -1,698 +0,0 @@ -/* - * fuc microcode for nv98 pcrypt engine - * Copyright (C) 2010 Marcin Kościelnicki - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -.section #nv98_pcrypt_data - -ctx_dma: -ctx_dma_query: .b32 0 -ctx_dma_src: .b32 0 -ctx_dma_dst: .b32 0 -.equ #dma_count 3 -ctx_query_address_high: .b32 0 -ctx_query_address_low: .b32 0 -ctx_query_counter: .b32 0 -ctx_cond_address_high: .b32 0 -ctx_cond_address_low: .b32 0 -ctx_cond_off: .b32 0 -ctx_src_address_high: .b32 0 -ctx_src_address_low: .b32 0 -ctx_dst_address_high: .b32 0 -ctx_dst_address_low: .b32 0 -ctx_mode: .b32 0 -.align 16 -ctx_key: .skip 16 -ctx_iv: .skip 16 - -.align 0x80 -swap: -.skip 32 - -.align 8 -common_cmd_dtable: -.b32 #ctx_query_address_high + 0x20000 ~0xff -.b32 #ctx_query_address_low + 0x20000 ~0xfffffff0 -.b32 #ctx_query_counter + 0x20000 ~0xffffffff -.b32 #cmd_query_get + 0x00000 ~1 -.b32 #ctx_cond_address_high + 0x20000 ~0xff -.b32 #ctx_cond_address_low + 0x20000 ~0xfffffff0 -.b32 #cmd_cond_mode + 0x00000 ~7 -.b32 #cmd_wrcache_flush + 0x00000 ~0 -.equ #common_cmd_max 0x88 - - -.align 8 -engine_cmd_dtable: -.b32 #ctx_key + 0x0 + 0x20000 ~0xffffffff -.b32 #ctx_key + 0x4 + 0x20000 ~0xffffffff -.b32 #ctx_key + 0x8 + 0x20000 ~0xffffffff -.b32 #ctx_key + 0xc + 0x20000 ~0xffffffff -.b32 #ctx_iv + 0x0 + 0x20000 ~0xffffffff -.b32 #ctx_iv + 0x4 + 0x20000 ~0xffffffff -.b32 #ctx_iv + 0x8 + 0x20000 ~0xffffffff -.b32 #ctx_iv + 0xc + 0x20000 ~0xffffffff -.b32 #ctx_src_address_high + 0x20000 ~0xff -.b32 #ctx_src_address_low + 0x20000 ~0xfffffff0 -.b32 #ctx_dst_address_high + 0x20000 ~0xff -.b32 #ctx_dst_address_low + 0x20000 ~0xfffffff0 -.b32 #crypt_cmd_mode + 0x00000 ~0xf -.b32 #crypt_cmd_length + 0x10000 ~0x0ffffff0 -.equ #engine_cmd_max 0xce - -.align 4 -crypt_dtable: -.b16 #crypt_copy_prep #crypt_do_inout -.b16 #crypt_store_prep #crypt_do_out -.b16 #crypt_ecb_e_prep #crypt_do_inout -.b16 #crypt_ecb_d_prep #crypt_do_inout -.b16 #crypt_cbc_e_prep #crypt_do_inout -.b16 #crypt_cbc_d_prep #crypt_do_inout -.b16 #crypt_pcbc_e_prep #crypt_do_inout -.b16 #crypt_pcbc_d_prep #crypt_do_inout -.b16 #crypt_cfb_e_prep #crypt_do_inout -.b16 #crypt_cfb_d_prep #crypt_do_inout -.b16 #crypt_ofb_prep #crypt_do_inout -.b16 #crypt_ctr_prep #crypt_do_inout -.b16 #crypt_cbc_mac_prep #crypt_do_in -.b16 #crypt_cmac_finish_complete_prep #crypt_do_in -.b16 #crypt_cmac_finish_partial_prep #crypt_do_in - -.align 0x100 - -.section #nv98_pcrypt_code - - // $r0 is always set to 0 in our code - this allows some space savings. - clear b32 $r0 - - // set up the interrupt handler - mov $r1 #ih - mov $iv0 $r1 - - // init stack pointer - mov $sp $r0 - - // set interrupt dispatch - route timer, fifo, ctxswitch to i0, others to host - movw $r1 0xfff0 - sethi $r1 0 - mov $r2 0x400 - iowr I[$r2 + 0x300] $r1 - - // enable the interrupts - or $r1 0xc - iowr I[$r2] $r1 - - // enable fifo access and context switching - mov $r1 3 - mov $r2 0x1200 - iowr I[$r2] $r1 - - // enable i0 delivery - bset $flags ie0 - - // sleep forver, waking only for interrupts. - bset $flags $p0 - spin: - sleep $p0 - bra #spin - -// i0 handler -ih: - // see which interrupts we got - iord $r1 I[$r0 + 0x200] - - and $r2 $r1 0x8 - cmpu b32 $r2 0 - bra e #noctx - - // context switch... prepare the regs for xfer - mov $r2 0x7700 - mov $xtargets $r2 - mov $xdbase $r0 - // 128-byte context. - mov $r2 0 - sethi $r2 0x50000 - - // read current channel - mov $r3 0x1400 - iord $r4 I[$r3] - // if bit 30 set, it's active, so we have to unload it first. - shl b32 $r5 $r4 1 - cmps b32 $r5 0 - bra nc #ctxload - - // unload the current channel - save the context - xdst $r0 $r2 - xdwait - // and clear bit 30, then write back - bclr $r4 0x1e - iowr I[$r3] $r4 - // tell PFIFO we unloaded - mov $r4 1 - iowr I[$r3 + 0x200] $r4 - - bra #noctx - - ctxload: - // no channel loaded - perhaps we're requested to load one - iord $r4 I[$r3 + 0x100] - shl b32 $r15 $r4 1 - cmps b32 $r15 0 - // if bit 30 of next channel not set, probably PFIFO is just - // killing a context. do a faux load, without the active bit. - bra nc #dummyload - - // ok, do a real context load. - xdld $r0 $r2 - xdwait - mov $r5 #ctx_dma - mov $r6 #dma_count - 1 - ctxload_dma_loop: - ld b32 $r7 D[$r5 + $r6 * 4] - add b32 $r8 $r6 0x180 - shl b32 $r8 8 - iowr I[$r8] $r7 - sub b32 $r6 1 - bra nc #ctxload_dma_loop - - dummyload: - // tell PFIFO we're done - mov $r5 2 - iowr I[$r3 + 0x200] $r5 - - noctx: - and $r2 $r1 0x4 - cmpu b32 $r2 0 - bra e #nocmd - - // incoming fifo command. - mov $r3 0x1900 - iord $r2 I[$r3 + 0x100] - iord $r3 I[$r3] - // extract the method - and $r4 $r2 0x7ff - // shift the addr to proper position if we need to interrupt later - shl b32 $r2 0x10 - - // mthd 0 and 0x100 [NAME, NOP]: ignore - and $r5 $r4 0x7bf - cmpu b32 $r5 0 - bra e #cmddone - - mov $r5 #engine_cmd_dtable - 0xc0 * 8 - mov $r6 #engine_cmd_max - cmpu b32 $r4 0xc0 - bra nc #dtable_cmd - mov $r5 #common_cmd_dtable - 0x80 * 8 - mov $r6 #common_cmd_max - cmpu b32 $r4 0x80 - bra nc #dtable_cmd - cmpu b32 $r4 0x60 - bra nc #dma_cmd - cmpu b32 $r4 0x50 - bra ne #illegal_mthd - - // mthd 0x140: PM_TRIGGER - mov $r2 0x2200 - clear b32 $r3 - sethi $r3 0x20000 - iowr I[$r2] $r3 - bra #cmddone - - dma_cmd: - // mthd 0x180...: DMA_* - cmpu b32 $r4 0x60+#dma_count - bra nc #illegal_mthd - shl b32 $r5 $r4 2 - add b32 $r5 ((#ctx_dma - 0x60 * 4) & 0xffff) - bset $r3 0x1e - st b32 D[$r5] $r3 - add b32 $r4 0x180 - 0x60 - shl b32 $r4 8 - iowr I[$r4] $r3 - bra #cmddone - - dtable_cmd: - cmpu b32 $r4 $r6 - bra nc #illegal_mthd - shl b32 $r4 3 - add b32 $r4 $r5 - ld b32 $r5 D[$r4 + 4] - and $r5 $r3 - cmpu b32 $r5 0 - bra ne #invalid_bitfield - ld b16 $r5 D[$r4] - ld b16 $r6 D[$r4 + 2] - cmpu b32 $r6 2 - bra e #cmd_setctx - ld b32 $r7 D[$r0 + #ctx_cond_off] - and $r6 $r7 - cmpu b32 $r6 1 - bra e #cmddone - call $r5 - bra $p1 #dispatch_error - bra #cmddone - - cmd_setctx: - st b32 D[$r5] $r3 - bra #cmddone - - - invalid_bitfield: - or $r2 1 - dispatch_error: - illegal_mthd: - mov $r4 0x1000 - iowr I[$r4] $r2 - iowr I[$r4 + 0x100] $r3 - mov $r4 0x40 - iowr I[$r0] $r4 - - im_loop: - iord $r4 I[$r0 + 0x200] - and $r4 0x40 - cmpu b32 $r4 0 - bra ne #im_loop - - cmddone: - // remove the command from FIFO - mov $r3 0x1d00 - mov $r4 1 - iowr I[$r3] $r4 - - nocmd: - // ack the processed interrupts - and $r1 $r1 0xc - iowr I[$r0 + 0x100] $r1 -iret - -cmd_query_get: - // if bit 0 of param set, trigger interrupt afterwards. - setp $p1 $r3 - or $r2 3 - - // read PTIMER, beware of races... - mov $r4 0xb00 - ptimer_retry: - iord $r6 I[$r4 + 0x100] - iord $r5 I[$r4] - iord $r7 I[$r4 + 0x100] - cmpu b32 $r6 $r7 - bra ne #ptimer_retry - - // prepare the query structure - ld b32 $r4 D[$r0 + #ctx_query_counter] - st b32 D[$r0 + #swap + 0x0] $r4 - st b32 D[$r0 + #swap + 0x4] $r0 - st b32 D[$r0 + #swap + 0x8] $r5 - st b32 D[$r0 + #swap + 0xc] $r6 - - // will use target 0, DMA_QUERY. - mov $xtargets $r0 - - ld b32 $r4 D[$r0 + #ctx_query_address_high] - shl b32 $r4 0x18 - mov $xdbase $r4 - - ld b32 $r4 D[$r0 + #ctx_query_address_low] - mov $r5 #swap - sethi $r5 0x20000 - xdst $r4 $r5 - xdwait - - ret - -cmd_cond_mode: - // if >= 5, INVALID_ENUM - bset $flags $p1 - or $r2 2 - cmpu b32 $r3 5 - bra nc #return - - // otherwise, no error. - bclr $flags $p1 - - // if < 2, no QUERY object is involved - cmpu b32 $r3 2 - bra nc #cmd_cond_mode_queryful - - xor $r3 1 - st b32 D[$r0 + #ctx_cond_off] $r3 - return: - ret - - cmd_cond_mode_queryful: - // ok, will need to pull a QUERY object, prepare offsets - ld b32 $r4 D[$r0 + #ctx_cond_address_high] - ld b32 $r5 D[$r0 + #ctx_cond_address_low] - and $r6 $r5 0xff - shr b32 $r5 8 - shl b32 $r4 0x18 - or $r4 $r5 - mov $xdbase $r4 - mov $xtargets $r0 - - // pull the first one - mov $r5 #swap - sethi $r5 0x20000 - xdld $r6 $r5 - - // if == 2, only a single QUERY is involved... - cmpu b32 $r3 2 - bra ne #cmd_cond_mode_double - - xdwait - ld b32 $r4 D[$r0 + #swap + 4] - cmpu b32 $r4 0 - xbit $r4 $flags z - st b32 D[$r0 + #ctx_cond_off] $r4 - ret - - // ok, we'll need to pull second one too - cmd_cond_mode_double: - add b32 $r6 0x10 - add b32 $r5 0x10 - xdld $r6 $r5 - xdwait - - // compare COUNTERs - ld b32 $r5 D[$r0 + #swap + 0x00] - ld b32 $r6 D[$r0 + #swap + 0x10] - cmpu b32 $r5 $r6 - xbit $r4 $flags z - - // compare RESen - ld b32 $r5 D[$r0 + #swap + 0x04] - ld b32 $r6 D[$r0 + #swap + 0x14] - cmpu b32 $r5 $r6 - xbit $r5 $flags z - and $r4 $r5 - - // and negate or not, depending on mode - cmpu b32 $r3 3 - xbit $r5 $flags z - xor $r4 $r5 - st b32 D[$r0 + #ctx_cond_off] $r4 - ret - -cmd_wrcache_flush: - bclr $flags $p1 - mov $r2 0x2200 - clear b32 $r3 - sethi $r3 0x10000 - iowr I[$r2] $r3 - ret - -crypt_cmd_mode: - // if >= 0xf, INVALID_ENUM - bset $flags $p1 - or $r2 2 - cmpu b32 $r3 0xf - bra nc #crypt_cmd_mode_return - - bclr $flags $p1 - st b32 D[$r0 + #ctx_mode] $r3 - - crypt_cmd_mode_return: - ret - -crypt_cmd_length: - // nop if length == 0 - cmpu b32 $r3 0 - bra e #crypt_cmd_mode_return - - // init key, IV - cxset 3 - mov $r4 #ctx_key - sethi $r4 0x70000 - xdst $r0 $r4 - mov $r4 #ctx_iv - sethi $r4 0x60000 - xdst $r0 $r4 - xdwait - ckeyreg $c7 - - // prepare the targets - mov $r4 0x2100 - mov $xtargets $r4 - - // prepare src address - ld b32 $r4 D[$r0 + #ctx_src_address_high] - ld b32 $r5 D[$r0 + #ctx_src_address_low] - shr b32 $r8 $r5 8 - shl b32 $r4 0x18 - or $r4 $r8 - and $r5 $r5 0xff - - // prepare dst address - ld b32 $r6 D[$r0 + #ctx_dst_address_high] - ld b32 $r7 D[$r0 + #ctx_dst_address_low] - shr b32 $r8 $r7 8 - shl b32 $r6 0x18 - or $r6 $r8 - and $r7 $r7 0xff - - // find the proper prep & do functions - ld b32 $r8 D[$r0 + #ctx_mode] - shl b32 $r8 2 - - // run prep - ld b16 $r9 D[$r8 + #crypt_dtable] - call $r9 - - // do it - ld b16 $r9 D[$r8 + #crypt_dtable + 2] - call $r9 - cxset 1 - xdwait - cxset 0x61 - xdwait - xdwait - - // update src address - shr b32 $r8 $r4 0x18 - shl b32 $r9 $r4 8 - add b32 $r9 $r5 - adc b32 $r8 0 - st b32 D[$r0 + #ctx_src_address_high] $r8 - st b32 D[$r0 + #ctx_src_address_low] $r9 - - // update dst address - shr b32 $r8 $r6 0x18 - shl b32 $r9 $r6 8 - add b32 $r9 $r7 - adc b32 $r8 0 - st b32 D[$r0 + #ctx_dst_address_high] $r8 - st b32 D[$r0 + #ctx_dst_address_low] $r9 - - // pull updated IV - cxset 2 - mov $r4 #ctx_iv - sethi $r4 0x60000 - xdld $r0 $r4 - xdwait - - ret - - -crypt_copy_prep: - cs0begin 2 - cxsin $c0 - cxsout $c0 - ret - -crypt_store_prep: - cs0begin 1 - cxsout $c6 - ret - -crypt_ecb_e_prep: - cs0begin 3 - cxsin $c0 - cenc $c0 $c0 - cxsout $c0 - ret - -crypt_ecb_d_prep: - ckexp $c7 $c7 - cs0begin 3 - cxsin $c0 - cdec $c0 $c0 - cxsout $c0 - ret - -crypt_cbc_e_prep: - cs0begin 4 - cxsin $c0 - cxor $c6 $c0 - cenc $c6 $c6 - cxsout $c6 - ret - -crypt_cbc_d_prep: - ckexp $c7 $c7 - cs0begin 5 - cmov $c2 $c6 - cxsin $c6 - cdec $c0 $c6 - cxor $c0 $c2 - cxsout $c0 - ret - -crypt_pcbc_e_prep: - cs0begin 5 - cxsin $c0 - cxor $c6 $c0 - cenc $c6 $c6 - cxsout $c6 - cxor $c6 $c0 - ret - -crypt_pcbc_d_prep: - ckexp $c7 $c7 - cs0begin 5 - cxsin $c0 - cdec $c1 $c0 - cxor $c6 $c1 - cxsout $c6 - cxor $c6 $c0 - ret - -crypt_cfb_e_prep: - cs0begin 4 - cenc $c6 $c6 - cxsin $c0 - cxor $c6 $c0 - cxsout $c6 - ret - -crypt_cfb_d_prep: - cs0begin 4 - cenc $c0 $c6 - cxsin $c6 - cxor $c0 $c6 - cxsout $c0 - ret - -crypt_ofb_prep: - cs0begin 4 - cenc $c6 $c6 - cxsin $c0 - cxor $c0 $c6 - cxsout $c0 - ret - -crypt_ctr_prep: - cs0begin 5 - cenc $c1 $c6 - cadd $c6 1 - cxsin $c0 - cxor $c0 $c1 - cxsout $c0 - ret - -crypt_cbc_mac_prep: - cs0begin 3 - cxsin $c0 - cxor $c6 $c0 - cenc $c6 $c6 - ret - -crypt_cmac_finish_complete_prep: - cs0begin 7 - cxsin $c0 - cxor $c6 $c0 - cxor $c0 $c0 - cenc $c0 $c0 - cprecmac $c0 $c0 - cxor $c6 $c0 - cenc $c6 $c6 - ret - -crypt_cmac_finish_partial_prep: - cs0begin 8 - cxsin $c0 - cxor $c6 $c0 - cxor $c0 $c0 - cenc $c0 $c0 - cprecmac $c0 $c0 - cprecmac $c0 $c0 - cxor $c6 $c0 - cenc $c6 $c6 - ret - -// TODO -crypt_do_in: - add b32 $r3 $r5 - mov $xdbase $r4 - mov $r9 #swap - sethi $r9 0x20000 - crypt_do_in_loop: - xdld $r5 $r9 - xdwait - cxset 0x22 - xdst $r0 $r9 - cs0exec 1 - xdwait - add b32 $r5 0x10 - cmpu b32 $r5 $r3 - bra ne #crypt_do_in_loop - cxset 1 - xdwait - ret - -crypt_do_out: - add b32 $r3 $r7 - mov $xdbase $r6 - mov $r9 #swap - sethi $r9 0x20000 - crypt_do_out_loop: - cs0exec 1 - cxset 0x61 - xdld $r7 $r9 - xdst $r7 $r9 - cxset 1 - xdwait - add b32 $r7 0x10 - cmpu b32 $r7 $r3 - bra ne #crypt_do_out_loop - ret - -crypt_do_inout: - add b32 $r3 $r5 - mov $r9 #swap - sethi $r9 0x20000 - crypt_do_inout_loop: - mov $xdbase $r4 - xdld $r5 $r9 - xdwait - cxset 0x21 - xdst $r0 $r9 - cs0exec 1 - cxset 0x61 - mov $xdbase $r6 - xdld $r7 $r9 - xdst $r7 $r9 - cxset 1 - xdwait - add b32 $r5 0x10 - add b32 $r7 0x10 - cmpu b32 $r5 $r3 - bra ne #crypt_do_inout_loop - ret - -.align 0x100 |