From dac0cb5c7e82bc402a01192122b7361be72e7412 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Wed, 8 Jul 2009 23:02:10 -0700 Subject: [PATCH] ARM: Add load/store double instructions. --- src/arch/arm/isa/decoder.isa | 90 ++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) diff --git a/src/arch/arm/isa/decoder.isa b/src/arch/arm/isa/decoder.isa index 623b2415d..cdb228efa 100644 --- a/src/arch/arm/isa/decoder.isa +++ b/src/arch/arm/isa/decoder.isa @@ -184,35 +184,79 @@ format DataOp { } format ArmLoadMemory { 0xd: decode PUBWL { + 0x0: ldrd_({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); + Rn = Rn - Rm; }}, + {{ EA = Rn; }}); 0x1: ldrsb_l({{ Rd = Mem.sb; Rn = Rn - Rm; }}, {{ EA = Rn; }}); + 0x4: ldrd_i({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); + Rn = Rn + hilo; }}, + {{ EA = Rn; }}); 0x5: ldrsb_il({{ Rd = Mem.sb; Rn = Rn + hilo; }}, {{ EA = Rn; }}); + 0x8: ldrd_u({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); + Rn = Rn + Rm; }}, + {{ EA = Rn; }}); 0x9: ldrsb_ul({{ Rd = Mem.sb; Rn = Rn + Rm; }}, {{ EA = Rn; }}); + 0xc: ldrd_ui({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); + Rn = Rn + hilo; }}, + {{ EA = Rn; }}); 0xd: ldrsb_uil({{ Rd = Mem.sb; Rn = Rn + hilo; }}, {{ EA = Rn; }}); + 0x10: ldrd_p({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); }}, + {{ EA = Rn - Rm; }}); 0x11: ldrsb_pl({{ Rd = Mem.sb; }}, {{ EA = Rn - Rm; }}); + 0x12: ldrd_pw({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); + Rn = Rn - Rm; }}, + {{ EA = Rn - Rm; }}); 0x13: ldrsb_pwl({{ Rd = Mem.sb; Rn = Rn - Rm; }}, {{ EA = Rn - Rm; }}); + 0x14: ldrd_pi({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); }}, + {{ EA = Rn + hilo; }}); 0x15: ldrsb_pil({{ Rd = Mem.sb; }}, {{ EA = Rn + hilo; }}); + 0x16: ldrd_piw({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); + Rn = Rn + hilo; }}, + {{ EA = Rn + hilo; }}); 0x17: ldrsb_piwl({{ Rd = Mem.sb; Rn = Rn + hilo; }}, {{ EA = Rn + hilo; }}); + 0x18: ldrd_pu({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); }}, + {{ EA = Rn + Rm; }}); 0x19: ldrsb_pul({{ Rd = Mem.sb; }}, {{ EA = Rn + Rm; }}); + 0x1a: ldrd_puw({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); + Rn = Rn + Rm; }}, + {{ EA = Rn + Rm; }}); 0x1b: ldrsb_puwl({{ Rd = Mem.sb; Rn = Rn + Rm; }}, {{ EA = Rn + Rm; }}); + 0x1c: ldrd_pui({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); }}, + {{ EA = Rn + hilo; }}); 0x1d: ldrsb_puil({{ Rd = Mem.sb; }}, {{ EA = Rn + hilo; }}); + 0x1e: ldrd_puiw({{ Rde = bits(Mem.ud, 31, 0); + Rdo = bits(Mem.ud, 63, 32); + Rn = Rn + hilo; }}, + {{ EA = Rn + hilo; }}); 0x1f: ldrsb_puiwl({{ Rd = Mem.sb; Rn = Rn + hilo; }}, {{ EA = Rn + hilo; }}); @@ -250,6 +294,52 @@ format DataOp { 0x1f: ldrsh_puiwl({{ Rd = Mem.sh; Rn = Rn + hilo; }}, {{ EA = Rn + hilo; }}); + format ArmStoreMemory { + 0x0: strd_({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); + Rn = Rn - Rm; }}, + {{ EA = Rn; }}); + 0x4: strd_i({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); + Rn = Rn + hilo; }}, + {{ EA = Rn; }}); + 0x8: strd_u({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); + Rn = Rn + Rm; }}, + {{ EA = Rn; }}); + 0xc: strd_ui({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); + Rn = Rn + hilo; }}, + {{ EA = Rn; }}); + 0x10: strd_p({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); }}, + {{ EA = Rn - Rm; }}); + 0x12: strd_pw({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); + Rn = Rn - Rm; }}, + {{ EA = Rn - Rm; }}); + 0x14: strd_pi({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); }}, + {{ EA = Rn + hilo; }}); + 0x16: strd_piw({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); + Rn = Rn + hilo; }}, + {{ EA = Rn + hilo; }}); + 0x18: strd_pu({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); }}, + {{ EA = Rn + Rm; }}); + 0x1a: strd_puw({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); + Rn = Rn + Rm; }}, + {{ EA = Rn + Rm; }}); + 0x1c: strd_pui({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); }}, + {{ EA = Rn + hilo; }}); + 0x1e: strd_puiw({{ Mem.ud = (uint64_t)Rde | + ((uint64_t)Rdo << 32); + Rn = Rn + hilo; }}, + {{ EA = Rn + hilo; }}); + } } } } -- 2.30.2