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authorMike Frysinger <vapier@gentoo.org>2021-06-15 20:58:31 -0400
committerMike Frysinger <vapier@gentoo.org>2021-06-16 01:22:50 -0400
commit956f0babcd95bc7b6d2d79ea345abdd6f464e65f (patch)
tree539e8c9e69c946b736856febfc74d4cae38f4e2d /sim/ppc
parent1b828ebe530ef113c9e55fad8f7e472cd36dd078 (diff)
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sim: ppc: convert to bfd_endian
Rather than re-invent endian defines, as well as maintain our own list of OS & arch-specific includes, punt all that logic in favor of the bfd ones already set up and maintained elsewhere. We already rely on the bfd library, so leveraging the endian aspect should be fine. This was done for all the other ports years ago, so catch ppc up.
Diffstat (limited to 'sim/ppc')
-rw-r--r--sim/ppc/ChangeLog22
-rw-r--r--sim/ppc/altivec.igen26
-rwxr-xr-xsim/ppc/configure12
-rw-r--r--sim/ppc/configure.ac12
-rw-r--r--sim/ppc/emul_generic.c4
-rw-r--r--sim/ppc/options.c7
-rw-r--r--sim/ppc/psim.c6
-rw-r--r--sim/ppc/sim-endian-n.h8
-rw-r--r--sim/ppc/sim-endian.c4
-rw-r--r--sim/ppc/std-config.h25
-rw-r--r--sim/ppc/vm.c8
11 files changed, 75 insertions, 59 deletions
diff --git a/sim/ppc/ChangeLog b/sim/ppc/ChangeLog
index 723dc11..3ef5b22 100644
--- a/sim/ppc/ChangeLog
+++ b/sim/ppc/ChangeLog
@@ -1,5 +1,27 @@
2021-06-16 Mike Frysinger <vapier@gentoo.org>
+ * altivec.igen: Change BIG_ENDIAN to BFD_ENDIAN_BIG.
+ * configure.ac: Change LITTLE_ENDIAN, BIG_ENDIAN, & 0 to
+ BFD_ENDIAN_LITTLE, BFD_ENDIAN_BIG, & BFD_ENDIAN_UNKNOWN respectively.
+ * emul_generic.c: Likewise.
+ * options.c (options_byte_order): Likewise. Change int to bfd_endian.
+ * psim.c (current_target_byte_order): Change type to bfd_endian.
+ (psim_create): Change LITTLE_ENDIAN & BIG_ENDIAN to BFD_ENDIAN_LITTLE
+ & BFD_ENDIAN_BIG respectively.
+ * sim-endian-n.h: Likewise.
+ * sim-endian.c: Likewise.
+ * std-config.h: Include bfd.h.
+ (LITTLE_ENDIAN, BIG_ENDIAN): Delete.
+ (HOST_BYTE_ORDER): Change to BFD_ENDIAN_BIG & BFD_ENDIAN_LITTLE.
+ (WITH_TARGET_BYTE_ORDER): Change to BFD_ENDIAN_UNKNOWN.
+ (current_target_byte_order): Change type to bfd_endian.
+ (CURRENT_TARGET_BYTE_ORDER): Compare to BFD_ENDIAN_UNKNOWN.
+ * vm.c (vm_synchronize_context): Change LITTLE_ENDIAN & BIG_ENDIAN to
+ BFD_ENDIAN_LITTLE & BFD_ENDIAN_BIG respectively.
+ * configure: Regenerate.
+
+2021-06-16 Mike Frysinger <vapier@gentoo.org>
+
* basics.h (__attribute__): Delete.
* misc.h (__attribute__): Likewise.
Include ansidecl.h.
diff --git a/sim/ppc/altivec.igen b/sim/ppc/altivec.igen
index 6d81713..8d7c794 100644
--- a/sim/ppc/altivec.igen
+++ b/sim/ppc/altivec.igen
@@ -409,7 +409,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
addr = b + *rB;
j = addr & 0xf;
for (i = 0; i < 16; i++)
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
(*vS).b[AV_BINDEX(i)] = j++;
else
(*vS).b[AV_BINDEX(15 - i)] = j++;
@@ -424,7 +424,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
addr = b + *rB;
j = 0x10 - (addr & 0xf);
for (i = 0; i < 16; i++)
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
(*vS).b[AV_BINDEX(i)] = j++;
else
(*vS).b[AV_BINDEX(15 - i)] = j++;
@@ -437,7 +437,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
if (RA_is_0) b = 0;
else b = *rA;
EA = (b + *rB) & ~0xf;
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) {
(*vS).w[0] = MEM(unsigned, EA + 0, 4);
(*vS).w[1] = MEM(unsigned, EA + 4, 4);
(*vS).w[2] = MEM(unsigned, EA + 8, 4);
@@ -456,7 +456,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
if (RA_is_0) b = 0;
else b = *rA;
EA = (b + *rB) & ~0xf;
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) {
(*vS).w[0] = MEM(unsigned, EA + 0, 4);
(*vS).w[1] = MEM(unsigned, EA + 4, 4);
(*vS).w[2] = MEM(unsigned, EA + 8, 4);
@@ -496,7 +496,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
else b = *rA;
EA = b + *rB;
eb = EA & 0xf;
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
STORE(EA, 1, (*vS).b[eb]);
else
STORE(EA, 1, (*vS).b[15-eb]);
@@ -510,7 +510,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
else b = *rA;
EA = (b + *rB) & ~1;
eb = EA & 0xf;
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
STORE(EA, 2, (*vS).h[eb/2]);
else
STORE(EA, 2, (*vS).h[7-eb]);
@@ -524,7 +524,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
else b = *rA;
EA = (b + *rB) & ~3;
eb = EA & 0xf;
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
STORE(EA, 4, (*vS).w[eb/4]);
else
STORE(EA, 4, (*vS).w[3-(eb/4)]);
@@ -536,7 +536,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
if (RA_is_0) b = 0;
else b = *rA;
EA = (b + *rB) & ~0xf;
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) {
STORE(EA + 0, 4, (*vS).w[0]);
STORE(EA + 4, 4, (*vS).w[1]);
STORE(EA + 8, 4, (*vS).w[2]);
@@ -555,7 +555,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
if (RA_is_0) b = 0;
else b = *rA;
EA = (b + *rB) & ~0xf;
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) {
STORE(EA + 0, 4, (*vS).w[0]);
STORE(EA + 4, 4, (*vS).w[1]);
STORE(EA + 8, 4, (*vS).w[2]);
@@ -1915,7 +1915,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
sh = (*vB).b[0] & 7; /* don't bother checking everything */
carry = 0;
for (j = 3; j >= 0; j--) {
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
i = j;
else
i = (j + 2) % 4;
@@ -1951,7 +1951,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
0.4,6.VS,11.VA,16.VB,21.1036:VX:av:vslo %VD, %VA, %VB:Vector Shift Left by Octet
int i, sh;
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
sh = ((*vB).b[AV_BINDEX(15)] >> 3) & 0xf;
else
sh = ((*vB).b[AV_BINDEX(0)] >> 3) & 0xf;
@@ -2040,7 +2040,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
sh = (*vB).b[0] & 7; /* don't bother checking everything */
carry = 0;
for (j = 0; j < 4; j++) {
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
i = j;
else
i = (j + 2) % 4;
@@ -2098,7 +2098,7 @@ unsigned32::model-function::altivec_unsigned_saturate_32:signed64 val, int *sat
0.4,6.VS,11.VA,16.VB,21.1100:VX:av:vsro %VD, %VA, %VB:Vector Shift Right Octet
int i, sh;
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
sh = ((*vB).b[AV_BINDEX(15)] >> 3) & 0xf;
else
sh = ((*vB).b[AV_BINDEX(0)] >> 3) & 0xf;
diff --git a/sim/ppc/configure b/sim/ppc/configure
index 65fe184..10903a0 100755
--- a/sim/ppc/configure
+++ b/sim/ppc/configure
@@ -3227,13 +3227,13 @@ fi
if test "${enable_sim_endian+set}" = set; then :
enableval=$enable_sim_endian; case "${enableval}" in
yes) case "$target" in
- *powerpc-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;
- *powerpcle-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;
- *) echo "Unknown target $target" 1>&6; sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;
+ *powerpc-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_BIG";;
+ *powerpcle-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_LITTLE";;
+ *) echo "Unknown target $target" 1>&6; sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_UNKNOWN";;
esac;;
- no) sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;
- b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;
- l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;
+ no) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_UNKNOWN";;
+ b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_BIG";;
+ l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_LITTLE";;
*) as_fn_error $? "\"Unknown value $enableval for --enable-sim-endian\"" "$LINENO" 5; sim_endian="";;
esac
if test x"$silent" != x"yes" && test x"$sim_endian" != x""; then
diff --git a/sim/ppc/configure.ac b/sim/ppc/configure.ac
index 188330f..376c3ce 100644
--- a/sim/ppc/configure.ac
+++ b/sim/ppc/configure.ac
@@ -110,13 +110,13 @@ AC_ARG_ENABLE(sim-endian,
[ --enable-sim-endian=endian Specify target byte endian orientation.],
[case "${enableval}" in
yes) case "$target" in
- *powerpc-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;
- *powerpcle-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;
- *) echo "Unknown target $target" 1>&6; sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;
+ *powerpc-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_BIG";;
+ *powerpcle-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_LITTLE";;
+ *) echo "Unknown target $target" 1>&6; sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_UNKNOWN";;
esac;;
- no) sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;
- b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;
- l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;
+ no) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_UNKNOWN";;
+ b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_BIG";;
+ l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_LITTLE";;
*) AC_MSG_ERROR("Unknown value $enableval for --enable-sim-endian"); sim_endian="";;
esac
if test x"$silent" != x"yes" && test x"$sim_endian" != x""; then
diff --git a/sim/ppc/emul_generic.c b/sim/ppc/emul_generic.c
index 0018cea..9d57bc6 100644
--- a/sim/ppc/emul_generic.c
+++ b/sim/ppc/emul_generic.c
@@ -64,7 +64,7 @@ emul_read_gpr64(cpu *processor,
{
unsigned32 hi;
unsigned32 lo;
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) {
hi = cpu_registers(processor)->gpr[g];
lo = cpu_registers(processor)->gpr[g+1];
}
@@ -83,7 +83,7 @@ emul_write_gpr64(cpu *processor,
{
unsigned32 hi = EXTRACTED64(val, 0, 31);
unsigned32 lo = EXTRACTED64(val, 32, 63);
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
+ if (CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) {
cpu_registers(processor)->gpr[g] = hi;
cpu_registers(processor)->gpr[g+1] = lo;
}
diff --git a/sim/ppc/options.c b/sim/ppc/options.c
index 330332d..d20fb04 100644
--- a/sim/ppc/options.c
+++ b/sim/ppc/options.c
@@ -25,12 +25,11 @@
STATIC_INLINE_OPTIONS\
(const char *)
-options_byte_order (int order)
+options_byte_order (enum bfd_endian order)
{
switch (order) {
- case 0: return "0";
- case BIG_ENDIAN: return "BIG_ENDIAN";
- case LITTLE_ENDIAN: return "LITTLE_ENDIAN";
+ case BFD_ENDIAN_BIG: return "BIG_ENDIAN";
+ case BFD_ENDIAN_LITTLE: return "LITTLE_ENDIAN";
}
return "UNKNOWN";
diff --git a/sim/ppc/psim.c b/sim/ppc/psim.c
index 0c3f5a1..e8c29ff 100644
--- a/sim/ppc/psim.c
+++ b/sim/ppc/psim.c
@@ -63,7 +63,7 @@ struct _psim {
};
-int current_target_byte_order;
+enum bfd_endian current_target_byte_order;
int current_environment;
int current_alignment;
int current_floating_point;
@@ -450,8 +450,8 @@ psim_create(const char *file_name,
/* fill in the missing TARGET BYTE ORDER information */
current_target_byte_order
= (tree_find_boolean_property(root, "/options/little-endian?")
- ? LITTLE_ENDIAN
- : BIG_ENDIAN);
+ ? BFD_ENDIAN_LITTLE
+ : BFD_ENDIAN_BIG);
if (CURRENT_TARGET_BYTE_ORDER != current_target_byte_order)
error("target and configured byte order conflict\n");
diff --git a/sim/ppc/sim-endian-n.h b/sim/ppc/sim-endian-n.h
index 415149e..a9b2e20 100644
--- a/sim/ppc/sim-endian-n.h
+++ b/sim/ppc/sim-endian-n.h
@@ -73,7 +73,7 @@ INLINE_PSIM_ENDIAN\
(unsigned_N)
endian_h2be_N(unsigned_N raw_in)
{
- if (HOST_BYTE_ORDER == BIG_ENDIAN) {
+ if (HOST_BYTE_ORDER == BFD_ENDIAN_BIG) {
return raw_in;
}
else {
@@ -86,7 +86,7 @@ INLINE_PSIM_ENDIAN\
(unsigned_N)
endian_be2h_N(unsigned_N raw_in)
{
- if (HOST_BYTE_ORDER == BIG_ENDIAN) {
+ if (HOST_BYTE_ORDER == BFD_ENDIAN_BIG) {
return raw_in;
}
else {
@@ -99,7 +99,7 @@ INLINE_PSIM_ENDIAN\
(unsigned_N)
endian_h2le_N(unsigned_N raw_in)
{
- if (HOST_BYTE_ORDER == LITTLE_ENDIAN) {
+ if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE) {
return raw_in;
}
else {
@@ -112,7 +112,7 @@ INLINE_PSIM_ENDIAN\
(unsigned_N)
endian_le2h_N(unsigned_N raw_in)
{
- if (HOST_BYTE_ORDER == LITTLE_ENDIAN) {
+ if (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE) {
return raw_in;
}
else {
diff --git a/sim/ppc/sim-endian.c b/sim/ppc/sim-endian.c
index 29f51e5..ee1e083 100644
--- a/sim/ppc/sim-endian.c
+++ b/sim/ppc/sim-endian.c
@@ -32,7 +32,7 @@
#define _SWAP_1(SET,RAW) SET (RAW)
#endif
-#if !defined(_SWAP_2) && (HOST_BYTE_ORDER == LITTLE_ENDIAN) && defined(htons)
+#if !defined(_SWAP_2) && (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE) && defined(htons)
#define _SWAP_2(SET,RAW) SET htons (RAW)
#endif
@@ -40,7 +40,7 @@
#define _SWAP_2(SET,RAW) SET (((RAW) >> 8) | ((RAW) << 8))
#endif
-#if !defined(_SWAP_4) && (HOST_BYTE_ORDER == LITTLE_ENDIAN) && defined(htonl)
+#if !defined(_SWAP_4) && (HOST_BYTE_ORDER == BFD_ENDIAN_LITTLE) && defined(htonl)
#define _SWAP_4(SET,RAW) SET htonl (RAW)
#endif
diff --git a/sim/ppc/std-config.h b/sim/ppc/std-config.h
index 375ba73..7b8f911 100644
--- a/sim/ppc/std-config.h
+++ b/sim/ppc/std-config.h
@@ -21,6 +21,7 @@
#ifndef _PSIM_CONFIG_H_
#define _PSIM_CONFIG_H_
+#include "bfd.h"
/* endianness of the host/target:
@@ -28,29 +29,23 @@
of the host/target it is able to eliminate slower generic endian
handling code.
- Possible values are 0 (unknown), LITTLE_ENDIAN, BIG_ENDIAN */
-
-#ifndef LITTLE_ENDIAN
-#define LITTLE_ENDIAN 1234
-#endif
-#ifndef BIG_ENDIAN
-#define BIG_ENDIAN 4321
-#endif
+ Possible values are BFD_ENDIAN_UNKNOWN, BFD_ENDIAN_LITTLE,
+ BFD_ENDIAN_BIG. */
#ifdef WORDS_BIGENDIAN
-# define HOST_BYTE_ORDER BIG_ENDIAN
+# define HOST_BYTE_ORDER BFD_ENDIAN_BIG
#else
-# define HOST_BYTE_ORDER LITTLE_ENDIAN
+# define HOST_BYTE_ORDER BFD_ENDIAN_LITTLE
#endif
#ifndef WITH_TARGET_BYTE_ORDER
-#define WITH_TARGET_BYTE_ORDER 0 /*unknown*/
+#define WITH_TARGET_BYTE_ORDER BFD_ENDIAN_UNKNOWN
#endif
-extern int current_target_byte_order;
-#define CURRENT_TARGET_BYTE_ORDER (WITH_TARGET_BYTE_ORDER \
- ? WITH_TARGET_BYTE_ORDER \
- : current_target_byte_order)
+extern enum bfd_endian current_target_byte_order;
+#define CURRENT_TARGET_BYTE_ORDER \
+ (WITH_TARGET_BYTE_ORDER != BFD_ENDIAN_UNKNOWN \
+ ? WITH_TARGET_BYTE_ORDER : current_target_byte_order)
/* PowerPC XOR endian.
diff --git a/sim/ppc/vm.c b/sim/ppc/vm.c
index 304972e..00f5f55 100644
--- a/sim/ppc/vm.c
+++ b/sim/ppc/vm.c
@@ -974,8 +974,8 @@ vm_synchronize_context(vm *virtual,
if (WITH_XOR_ENDIAN) {
int i = 1;
unsigned mask;
- if ((little_endian && CURRENT_TARGET_BYTE_ORDER == LITTLE_ENDIAN)
- || (!little_endian && CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN))
+ if ((little_endian && CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_LITTLE)
+ || (!little_endian && CURRENT_TARGET_BYTE_ORDER == BFD_ENDIAN_BIG))
mask = 0;
else
mask = WITH_XOR_ENDIAN - 1;
@@ -988,8 +988,8 @@ vm_synchronize_context(vm *virtual,
}
else {
/* don't allow the processor to change endian modes */
- if ((little_endian && CURRENT_TARGET_BYTE_ORDER != LITTLE_ENDIAN)
- || (!little_endian && CURRENT_TARGET_BYTE_ORDER != BIG_ENDIAN))
+ if ((little_endian && CURRENT_TARGET_BYTE_ORDER != BFD_ENDIAN_LITTLE)
+ || (!little_endian && CURRENT_TARGET_BYTE_ORDER != BFD_ENDIAN_BIG))
cpu_error(processor, cia, "attempt to change hardwired byte order");
}
}