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Allow page table bit to swap endianness.

Browse source 
Reorganize watchpoints out of i/o path.
 Return host address from probe_write / probe_access.
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20190903' into staging

Allow page table bit to swap endianness.
Reorganize watchpoints out of i/o path.
Return host address from probe_write / probe_access.

# gpg: Signature made Tue 03 Sep 2019 16:47:50 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-tcg-20190903: (36 commits)
  tcg: Factor out probe_write() logic into probe_access()
  tcg: Make probe_write() return a pointer to the host page
  s390x/tcg: Pass a size to probe_write() in do_csst()
  hppa/tcg: Call probe_write() also for CONFIG_USER_ONLY
  mips/tcg: Call probe_write() for CONFIG_USER_ONLY as well
  tcg: Enforce single page access in probe_write()
  tcg: Factor out CONFIG_USER_ONLY probe_write() from s390x code
  s390x/tcg: Fix length calculation in probe_write_access()
  s390x/tcg: Use guest_addr_valid() instead of h2g_valid() in probe_write_access()
  tcg: Check for watchpoints in probe_write()
  cputlb: Handle watchpoints via TLB_WATCHPOINT
  cputlb: Remove double-alignment in store_helper
  cputlb: Fix size operand for tlb_fill on unaligned store
  exec: Factor out cpu_watchpoint_address_matches
  cputlb: Fold TLB_RECHECK into TLB_INVALID_MASK
  exec: Factor out core logic of check_watchpoint()
  exec: Move user-only watchpoint stubs inline
  target/sparc: sun4u Invert Endian TTE bit
  target/sparc: Add TLB entry with attributes
  cputlb: Byte swap memory transaction attribute
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2019-09-04 16:29:18 +01:00
commit 9de65783e1
57 changed files with 918 additions and 865 deletions
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48
target/arm/translate-a64.c
View file

@ -85,7 +85,7 @@ typedef void NeonGenOneOpFn(TCGv_i64, TCGv_i64);
typedef void CryptoTwoOpFn(TCGv_ptr, TCGv_ptr);
typedef void CryptoThreeOpIntFn(TCGv_ptr, TCGv_ptr, TCGv_i32);
typedef void CryptoThreeOpFn(TCGv_ptr, TCGv_ptr, TCGv_ptr);
typedef void AtomicThreeOpFn(TCGv_i64, TCGv_i64, TCGv_i64, TCGArg, TCGMemOp);
typedef void AtomicThreeOpFn(TCGv_i64, TCGv_i64, TCGv_i64, TCGArg, MemOp);
/* initialize TCG globals. */
void a64_translate_init(void)
@ -440,7 +440,7 @@ TCGv_i64 read_cpu_reg_sp(DisasContext *s, int reg, int sf)
* Dn, Sn, Hn or Bn).
* (Note that this is not the same mapping as for A32; see cpu.h)
*/
static inline int fp_reg_offset(DisasContext *s, int regno, TCGMemOp size)
static inline int fp_reg_offset(DisasContext *s, int regno, MemOp size)
{
return vec_reg_offset(s, regno, 0, size);
}
@ -856,7 +856,7 @@ static void do_gpr_ld_memidx(DisasContext *s,
bool iss_valid, unsigned int iss_srt,
bool iss_sf, bool iss_ar)
{
TCGMemOp memop = s->be_data + size;
MemOp memop = s->be_data + size;
g_assert(size <= 3);
@ -933,7 +933,7 @@ static void do_fp_ld(DisasContext *s, int destidx, TCGv_i64 tcg_addr, int size)
TCGv_i64 tmphi;
if (size < 4) {
TCGMemOp memop = s->be_data + size;
MemOp memop = s->be_data + size;
tmphi = tcg_const_i64(0);
tcg_gen_qemu_ld_i64(tmplo, tcg_addr, get_mem_index(s), memop);
} else {
@ -974,7 +974,7 @@ static void do_fp_ld(DisasContext *s, int destidx, TCGv_i64 tcg_addr, int size)
/* Get value of an element within a vector register */
static void read_vec_element(DisasContext *s, TCGv_i64 tcg_dest, int srcidx,
int element, TCGMemOp memop)
int element, MemOp memop)
{
int vect_off = vec_reg_offset(s, srcidx, element, memop & MO_SIZE);
switch (memop) {
@ -1006,7 +1006,7 @@ static void read_vec_element(DisasContext *s, TCGv_i64 tcg_dest, int srcidx,
}
static void read_vec_element_i32(DisasContext *s, TCGv_i32 tcg_dest, int srcidx,
int element, TCGMemOp memop)
int element, MemOp memop)
{
int vect_off = vec_reg_offset(s, srcidx, element, memop & MO_SIZE);
switch (memop) {
@ -1033,7 +1033,7 @@ static void read_vec_element_i32(DisasContext *s, TCGv_i32 tcg_dest, int srcidx,
/* Set value of an element within a vector register */
static void write_vec_element(DisasContext *s, TCGv_i64 tcg_src, int destidx,
int element, TCGMemOp memop)
int element, MemOp memop)
{
int vect_off = vec_reg_offset(s, destidx, element, memop & MO_SIZE);
switch (memop) {
@ -1055,7 +1055,7 @@ static void write_vec_element(DisasContext *s, TCGv_i64 tcg_src, int destidx,
}
static void write_vec_element_i32(DisasContext *s, TCGv_i32 tcg_src,
int destidx, int element, TCGMemOp memop)
int destidx, int element, MemOp memop)
{
int vect_off = vec_reg_offset(s, destidx, element, memop & MO_SIZE);
switch (memop) {
@ -1075,7 +1075,7 @@ static void write_vec_element_i32(DisasContext *s, TCGv_i32 tcg_src,
/* Store from vector register to memory */
static void do_vec_st(DisasContext *s, int srcidx, int element,
TCGv_i64 tcg_addr, int size, TCGMemOp endian)
TCGv_i64 tcg_addr, int size, MemOp endian)
{
TCGv_i64 tcg_tmp = tcg_temp_new_i64();
@ -1087,7 +1087,7 @@ static void do_vec_st(DisasContext *s, int srcidx, int element,
/* Load from memory to vector register */
static void do_vec_ld(DisasContext *s, int destidx, int element,
TCGv_i64 tcg_addr, int size, TCGMemOp endian)
TCGv_i64 tcg_addr, int size, MemOp endian)
{
TCGv_i64 tcg_tmp = tcg_temp_new_i64();
@ -2189,7 +2189,7 @@ static void gen_load_exclusive(DisasContext *s, int rt, int rt2,
TCGv_i64 addr, int size, bool is_pair)
{
int idx = get_mem_index(s);
TCGMemOp memop = s->be_data;
MemOp memop = s->be_data;
g_assert(size <= 3);
if (is_pair) {
@ -3275,7 +3275,7 @@ static void disas_ldst_multiple_struct(DisasContext *s, uint32_t insn)
bool is_postidx = extract32(insn, 23, 1);
bool is_q = extract32(insn, 30, 1);
TCGv_i64 clean_addr, tcg_rn, tcg_ebytes;
TCGMemOp endian = s->be_data;
MemOp endian = s->be_data;
int ebytes; /* bytes per element */
int elements; /* elements per vector */
@ -5444,7 +5444,7 @@ static void disas_fp_csel(DisasContext *s, uint32_t insn)
unsigned int mos, type, rm, cond, rn, rd;
TCGv_i64 t_true, t_false, t_zero;
DisasCompare64 c;
TCGMemOp sz;
MemOp sz;
mos = extract32(insn, 29, 3);
type = extract32(insn, 22, 2);
@ -6256,7 +6256,7 @@ static void disas_fp_imm(DisasContext *s, uint32_t insn)
int mos = extract32(insn, 29, 3);
uint64_t imm;
TCGv_i64 tcg_res;
TCGMemOp sz;
MemOp sz;
if (mos || imm5) {
unallocated_encoding(s);
@ -7019,7 +7019,7 @@ static TCGv_i32 do_reduction_op(DisasContext *s, int fpopcode, int rn,
{
if (esize == size) {
int element;
TCGMemOp msize = esize == 16 ? MO_16 : MO_32;
MemOp msize = esize == 16 ? MO_16 : MO_32;
TCGv_i32 tcg_elem;
/* We should have one register left here */
@ -8011,7 +8011,7 @@ static void handle_vec_simd_sqshrn(DisasContext *s, bool is_scalar, bool is_q,
int shift = (2 * esize) - immhb;
int elements = is_scalar ? 1 : (64 / esize);
bool round = extract32(opcode, 0, 1);
TCGMemOp ldop = (size + 1) | (is_u_shift ? 0 : MO_SIGN);
MemOp ldop = (size + 1) | (is_u_shift ? 0 : MO_SIGN);
TCGv_i64 tcg_rn, tcg_rd, tcg_round;
TCGv_i32 tcg_rd_narrowed;
TCGv_i64 tcg_final;
@ -8170,7 +8170,7 @@ static void handle_simd_qshl(DisasContext *s, bool scalar, bool is_q,
}
};
NeonGenTwoOpEnvFn *genfn = fns[src_unsigned][dst_unsigned][size];
TCGMemOp memop = scalar ? size : MO_32;
MemOp memop = scalar ? size : MO_32;
int maxpass = scalar ? 1 : is_q ? 4 : 2;
for (pass = 0; pass < maxpass; pass++) {
@ -8214,7 +8214,7 @@ static void handle_simd_intfp_conv(DisasContext *s, int rd, int rn,
TCGv_ptr tcg_fpst = get_fpstatus_ptr(size == MO_16);
TCGv_i32 tcg_shift = NULL;
TCGMemOp mop = size | (is_signed ? MO_SIGN : 0);
MemOp mop = size | (is_signed ? MO_SIGN : 0);
int pass;
if (fracbits || size == MO_64) {
@ -9993,7 +9993,7 @@ static void handle_vec_simd_shri(DisasContext *s, bool is_q, bool is_u,
int dsize = is_q ? 128 : 64;
int esize = 8 << size;
int elements = dsize/esize;
TCGMemOp memop = size | (is_u ? 0 : MO_SIGN);
MemOp memop = size | (is_u ? 0 : MO_SIGN);
TCGv_i64 tcg_rn = new_tmp_a64(s);
TCGv_i64 tcg_rd = new_tmp_a64(s);
TCGv_i64 tcg_round;
@ -10336,7 +10336,7 @@ static void handle_3rd_widening(DisasContext *s, int is_q, int is_u, int size,
TCGv_i64 tcg_op1 = tcg_temp_new_i64();
TCGv_i64 tcg_op2 = tcg_temp_new_i64();
TCGv_i64 tcg_passres;
TCGMemOp memop = MO_32 | (is_u ? 0 : MO_SIGN);
MemOp memop = MO_32 | (is_u ? 0 : MO_SIGN);
int elt = pass + is_q * 2;
@ -11816,7 +11816,7 @@ static void handle_2misc_pairwise(DisasContext *s, int opcode, bool u,
if (size == 2) {
/* 32 + 32 -> 64 op */
TCGMemOp memop = size + (u ? 0 : MO_SIGN);
MemOp memop = size + (u ? 0 : MO_SIGN);
for (pass = 0; pass < maxpass; pass++) {
TCGv_i64 tcg_op1 = tcg_temp_new_i64();
@ -12838,7 +12838,7 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
switch (is_fp) {
case 1: /* normal fp */
/* convert insn encoded size to TCGMemOp size */
/* convert insn encoded size to MemOp size */
switch (size) {
case 0: /* half-precision */
size = MO_16;
@ -12886,7 +12886,7 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
return;
}
/* Given TCGMemOp size, adjust register and indexing. */
/* Given MemOp size, adjust register and indexing. */
switch (size) {
case MO_16:
index = h << 2 | l << 1 | m;
@ -13183,7 +13183,7 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn)
TCGv_i64 tcg_res[2];
int pass;
bool satop = extract32(opcode, 0, 1);
TCGMemOp memop = MO_32;
MemOp memop = MO_32;
if (satop || !u) {
memop |= MO_SIGN;