MdePkg/Library/BaseLib/RiscV64/RiscVSetJumpLongJump.S

   1 //------------------------------------------------------------------------------
   2 //
   3 // Set/Long jump for RISC-V
   4 //
   5 // Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
   6 //
   7 // SPDX-License-Identifier: BSD-2-Clause-Patent
   8 //
   9 //------------------------------------------------------------------------------
  10 # define REG_S  sd
  11 # define REG_L  ld
  12 # define SZREG  8
  13 .align 3
  14     .globl  SetJump
  15
  16 SetJump:
  17     REG_S ra,  0*SZREG(a0)
  18     REG_S s0,  1*SZREG(a0)
  19     REG_S s1,  2*SZREG(a0)
  20     REG_S s2,  3*SZREG(a0)
  21     REG_S s3,  4*SZREG(a0)
  22     REG_S s4,  5*SZREG(a0)
  23     REG_S s5,  6*SZREG(a0)
  24     REG_S s6,  7*SZREG(a0)
  25     REG_S s7,  8*SZREG(a0)
  26     REG_S s8,  9*SZREG(a0)
  27     REG_S s9,  10*SZREG(a0)
  28     REG_S s10, 11*SZREG(a0)
  29     REG_S s11, 12*SZREG(a0)
  30     REG_S sp,  13*SZREG(a0)
  31     li    a0,  0
  32     ret
  33
  34     .globl  InternalLongJump
  35 InternalLongJump:
  36     REG_L ra,  0*SZREG(a0)
  37     REG_L s0,  1*SZREG(a0)
  38     REG_L s1,  2*SZREG(a0)
  39     REG_L s2,  3*SZREG(a0)
  40     REG_L s3,  4*SZREG(a0)
  41     REG_L s4,  5*SZREG(a0)
  42     REG_L s5,  6*SZREG(a0)
  43     REG_L s6,  7*SZREG(a0)
  44     REG_L s7,  8*SZREG(a0)
  45     REG_L s8,  9*SZREG(a0)
  46     REG_L s9,  10*SZREG(a0)
  47     REG_L s10, 11*SZREG(a0)
  48     REG_L s11, 12*SZREG(a0)
  49     REG_L sp,  13*SZREG(a0)
  50
  51     add   a0, s0, 0
  52     add   a1, s1, 0
  53     add   a2, s2, 0
  54     add   a3, s3, 0
  55     ret