*/
#include "cpu.h"
-#include "dyngen-exec.h"
#include "helper.h"
/*****************************************************************************/
/* Softmmu support */
#if !defined(CONFIG_USER_ONLY)
-#include "softmmu_exec.h"
+#include "exec/softmmu_exec.h"
#define MMUSUFFIX _mmu
#define SHIFT 0
-#include "softmmu_template.h"
+#include "exec/softmmu_template.h"
#define SHIFT 1
-#include "softmmu_template.h"
+#include "exec/softmmu_template.h"
#define SHIFT 2
-#include "softmmu_template.h"
+#include "exec/softmmu_template.h"
#define SHIFT 3
-#include "softmmu_template.h"
+#include "exec/softmmu_template.h"
/* try to fill the TLB and return an exception if error. If retaddr is
NULL, it means that the function was called in C code (i.e. not
from generated code or from helper.c) */
/* XXX: fix it to restore all registers */
-void tlb_fill(CPUS390XState *env1, target_ulong addr, int is_write, int mmu_idx,
+void tlb_fill(CPUS390XState *env, target_ulong addr, int is_write, int mmu_idx,
uintptr_t retaddr)
{
- TranslationBlock *tb;
- CPUS390XState *saved_env;
int ret;
- saved_env = env;
- env = env1;
ret = cpu_s390x_handle_mmu_fault(env, addr, is_write, mmu_idx);
if (unlikely(ret != 0)) {
if (likely(retaddr)) {
/* now we have a real cpu fault */
- tb = tb_find_pc(retaddr);
- if (likely(tb)) {
- /* the PC is inside the translated code. It means that we have
- a virtual CPU fault */
- cpu_restore_state(tb, env, retaddr);
- }
+ cpu_restore_state(env, retaddr);
}
cpu_loop_exit(env);
}
- env = saved_env;
}
#endif
static void mvc_fast_memset(CPUS390XState *env, uint32_t l, uint64_t dest,
uint8_t byte)
{
- target_phys_addr_t dest_phys;
- target_phys_addr_t len = l;
+ hwaddr dest_phys;
+ hwaddr len = l;
void *dest_p;
uint64_t asc = env->psw.mask & PSW_MASK_ASC;
int flags;
if (mmu_translate(env, dest, 1, asc, &dest_phys, &flags)) {
- stb(dest, byte);
+ cpu_stb_data(env, dest, byte);
cpu_abort(env, "should never reach here");
}
dest_phys |= dest & ~TARGET_PAGE_MASK;
static void mvc_fast_memmove(CPUS390XState *env, uint32_t l, uint64_t dest,
uint64_t src)
{
- target_phys_addr_t dest_phys;
- target_phys_addr_t src_phys;
- target_phys_addr_t len = l;
+ hwaddr dest_phys;
+ hwaddr src_phys;
+ hwaddr len = l;
void *dest_p;
void *src_p;
uint64_t asc = env->psw.mask & PSW_MASK_ASC;
int flags;
if (mmu_translate(env, dest, 1, asc, &dest_phys, &flags)) {
- stb(dest, 0);
+ cpu_stb_data(env, dest, 0);
cpu_abort(env, "should never reach here");
}
dest_phys |= dest & ~TARGET_PAGE_MASK;
if (mmu_translate(env, src, 0, asc, &src_phys, &flags)) {
- ldub(src);
+ cpu_ldub_data(env, src);
cpu_abort(env, "should never reach here");
}
src_phys |= src & ~TARGET_PAGE_MASK;
#endif
/* and on array */
-uint32_t HELPER(nc)(uint32_t l, uint64_t dest, uint64_t src)
+uint32_t HELPER(nc)(CPUS390XState *env, uint32_t l, uint64_t dest,
+ uint64_t src)
{
int i;
unsigned char x;
HELPER_LOG("%s l %d dest %" PRIx64 " src %" PRIx64 "\n",
__func__, l, dest, src);
for (i = 0; i <= l; i++) {
- x = ldub(dest + i) & ldub(src + i);
+ x = cpu_ldub_data(env, dest + i) & cpu_ldub_data(env, src + i);
if (x) {
cc = 1;
}
- stb(dest + i, x);
+ cpu_stb_data(env, dest + i, x);
}
return cc;
}
/* xor on array */
-uint32_t HELPER(xc)(uint32_t l, uint64_t dest, uint64_t src)
+uint32_t HELPER(xc)(CPUS390XState *env, uint32_t l, uint64_t dest,
+ uint64_t src)
{
int i;
unsigned char x;
#endif
for (i = 0; i <= l; i++) {
- x = ldub(dest + i) ^ ldub(src + i);
+ x = cpu_ldub_data(env, dest + i) ^ cpu_ldub_data(env, src + i);
if (x) {
cc = 1;
}
- stb(dest + i, x);
+ cpu_stb_data(env, dest + i, x);
}
return cc;
}
/* or on array */
-uint32_t HELPER(oc)(uint32_t l, uint64_t dest, uint64_t src)
+uint32_t HELPER(oc)(CPUS390XState *env, uint32_t l, uint64_t dest,
+ uint64_t src)
{
int i;
unsigned char x;
HELPER_LOG("%s l %d dest %" PRIx64 " src %" PRIx64 "\n",
__func__, l, dest, src);
for (i = 0; i <= l; i++) {
- x = ldub(dest + i) | ldub(src + i);
+ x = cpu_ldub_data(env, dest + i) | cpu_ldub_data(env, src + i);
if (x) {
cc = 1;
}
- stb(dest + i, x);
+ cpu_stb_data(env, dest + i, x);
}
return cc;
}
/* memmove */
-void HELPER(mvc)(uint32_t l, uint64_t dest, uint64_t src)
+void HELPER(mvc)(CPUS390XState *env, uint32_t l, uint64_t dest, uint64_t src)
{
int i = 0;
int x = 0;
(src & TARGET_PAGE_MASK) == ((src + l) & TARGET_PAGE_MASK) &&
(dest & TARGET_PAGE_MASK) == ((dest + l) & TARGET_PAGE_MASK)) {
if (dest == (src + 1)) {
- mvc_fast_memset(env, l + 1, dest, ldub(src));
+ mvc_fast_memset(env, l + 1, dest, cpu_ldub_data(env, src));
return;
} else if ((src & TARGET_PAGE_MASK) != (dest & TARGET_PAGE_MASK)) {
mvc_fast_memmove(env, l + 1, dest, src);
}
#else
if (dest == (src + 1)) {
- memset(g2h(dest), ldub(src), l + 1);
+ memset(g2h(dest), cpu_ldub_data(env, src), l + 1);
return;
} else {
memmove(g2h(dest), g2h(src), l + 1);
/* handle the parts that fit into 8-byte loads/stores */
if (dest != (src + 1)) {
for (i = 0; i < l_64; i++) {
- stq(dest + x, ldq(src + x));
+ cpu_stq_data(env, dest + x, cpu_ldq_data(env, src + x));
x += 8;
}
}
/* slow version crossing pages with byte accesses */
for (i = x; i <= l; i++) {
- stb(dest + i, ldub(src + i));
+ cpu_stb_data(env, dest + i, cpu_ldub_data(env, src + i));
}
}
/* compare unsigned byte arrays */
-uint32_t HELPER(clc)(uint32_t l, uint64_t s1, uint64_t s2)
+uint32_t HELPER(clc)(CPUS390XState *env, uint32_t l, uint64_t s1, uint64_t s2)
{
int i;
unsigned char x, y;
HELPER_LOG("%s l %d s1 %" PRIx64 " s2 %" PRIx64 "\n",
__func__, l, s1, s2);
for (i = 0; i <= l; i++) {
- x = ldub(s1 + i);
- y = ldub(s2 + i);
+ x = cpu_ldub_data(env, s1 + i);
+ y = cpu_ldub_data(env, s2 + i);
HELPER_LOG("%02x (%c)/%02x (%c) ", x, x, y, y);
if (x < y) {
cc = 1;
}
/* compare logical under mask */
-uint32_t HELPER(clm)(uint32_t r1, uint32_t mask, uint64_t addr)
+uint32_t HELPER(clm)(CPUS390XState *env, uint32_t r1, uint32_t mask,
+ uint64_t addr)
{
uint8_t r, d;
uint32_t cc;
cc = 0;
while (mask) {
if (mask & 8) {
- d = ldub(addr);
+ d = cpu_ldub_data(env, addr);
r = (r1 & 0xff000000UL) >> 24;
HELPER_LOG("mask 0x%x %02x/%02x (0x%" PRIx64 ") ", mask, r, d,
addr);
return cc;
}
-/* store character under mask */
-void HELPER(stcm)(uint32_t r1, uint32_t mask, uint64_t addr)
+static inline uint64_t fix_address(CPUS390XState *env, uint64_t a)
{
- uint8_t r;
-
- HELPER_LOG("%s: r1 0x%x mask 0x%x addr 0x%lx\n", __func__, r1, mask,
- addr);
- while (mask) {
- if (mask & 8) {
- r = (r1 & 0xff000000UL) >> 24;
- stb(addr, r);
- HELPER_LOG("mask 0x%x %02x (0x%lx) ", mask, r, addr);
- addr++;
- }
- mask = (mask << 1) & 0xf;
- r1 <<= 8;
+ /* 31-Bit mode */
+ if (!(env->psw.mask & PSW_MASK_64)) {
+ a &= 0x7fffffff;
}
- HELPER_LOG("\n");
+ return a;
}
-static inline uint64_t get_address(int x2, int b2, int d2)
+static inline uint64_t get_address(CPUS390XState *env, int x2, int b2, int d2)
{
uint64_t r = d2;
-
if (x2) {
r += env->regs[x2];
}
-
if (b2) {
r += env->regs[b2];
}
-
- /* 31-Bit mode */
- if (!(env->psw.mask & PSW_MASK_64)) {
- r &= 0x7fffffff;
- }
-
- return r;
+ return fix_address(env, r);
}
-static inline uint64_t get_address_31fix(int reg)
+static inline uint64_t get_address_31fix(CPUS390XState *env, int reg)
{
- uint64_t r = env->regs[reg];
-
- /* 31-Bit mode */
- if (!(env->psw.mask & PSW_MASK_64)) {
- r &= 0x7fffffff;
- }
-
- return r;
+ return fix_address(env, env->regs[reg]);
}
/* search string (c is byte to search, r2 is string, r1 end of string) */
-uint32_t HELPER(srst)(uint32_t c, uint32_t r1, uint32_t r2)
+uint64_t HELPER(srst)(CPUS390XState *env, uint64_t r0, uint64_t end,
+ uint64_t str)
{
- uint64_t i;
- uint32_t cc = 2;
- uint64_t str = get_address_31fix(r2);
- uint64_t end = get_address_31fix(r1);
-
- HELPER_LOG("%s: c %d *r1 0x%" PRIx64 " *r2 0x%" PRIx64 "\n", __func__,
- c, env->regs[r1], env->regs[r2]);
-
- for (i = str; i != end; i++) {
- if (ldub(i) == c) {
- env->regs[r1] = i;
- cc = 1;
- break;
+ uint32_t len;
+ uint8_t v, c = r0;
+
+ str = fix_address(env, str);
+ end = fix_address(env, end);
+
+ /* Assume for now that R2 is unmodified. */
+ env->retxl = str;
+
+ /* Lest we fail to service interrupts in a timely manner, limit the
+ amount of work we're willing to do. For now, let's cap at 8k. */
+ for (len = 0; len < 0x2000; ++len) {
+ if (str + len == end) {
+ /* Character not found. R1 & R2 are unmodified. */
+ env->cc_op = 2;
+ return end;
+ }
+ v = cpu_ldub_data(env, str + len);
+ if (v == c) {
+ /* Character found. Set R1 to the location; R2 is unmodified. */
+ env->cc_op = 1;
+ return str + len;
}
}
- return cc;
+ /* CPU-determined bytes processed. Advance R2 to next byte to process. */
+ env->retxl = str + len;
+ env->cc_op = 3;
+ return end;
}
/* unsigned string compare (c is string terminator) */
-uint32_t HELPER(clst)(uint32_t c, uint32_t r1, uint32_t r2)
+uint64_t HELPER(clst)(CPUS390XState *env, uint64_t c, uint64_t s1, uint64_t s2)
{
- uint64_t s1 = get_address_31fix(r1);
- uint64_t s2 = get_address_31fix(r2);
- uint8_t v1, v2;
- uint32_t cc;
+ uint32_t len;
c = c & 0xff;
-#ifdef CONFIG_USER_ONLY
- if (!c) {
- HELPER_LOG("%s: comparing '%s' and '%s'\n",
- __func__, (char *)g2h(s1), (char *)g2h(s2));
- }
-#endif
- for (;;) {
- v1 = ldub(s1);
- v2 = ldub(s2);
- if ((v1 == c || v2 == c) || (v1 != v2)) {
- break;
+ s1 = fix_address(env, s1);
+ s2 = fix_address(env, s2);
+
+ /* Lest we fail to service interrupts in a timely manner, limit the
+ amount of work we're willing to do. For now, let's cap at 8k. */
+ for (len = 0; len < 0x2000; ++len) {
+ uint8_t v1 = cpu_ldub_data(env, s1 + len);
+ uint8_t v2 = cpu_ldub_data(env, s2 + len);
+ if (v1 == v2) {
+ if (v1 == c) {
+ /* Equal. CC=0, and don't advance the registers. */
+ env->cc_op = 0;
+ env->retxl = s2;
+ return s1;
+ }
+ } else {
+ /* Unequal. CC={1,2}, and advance the registers. Note that
+ the terminator need not be zero, but the string that contains
+ the terminator is by definition "low". */
+ env->cc_op = (v1 == c ? 1 : v2 == c ? 2 : v1 < v2 ? 1 : 2);
+ env->retxl = s2 + len;
+ return s1 + len;
}
- s1++;
- s2++;
}
- if (v1 == v2) {
- cc = 0;
- } else {
- cc = (v1 < v2) ? 1 : 2;
- /* FIXME: 31-bit mode! */
- env->regs[r1] = s1;
- env->regs[r2] = s2;
- }
- return cc;
+ /* CPU-determined bytes equal; advance the registers. */
+ env->cc_op = 3;
+ env->retxl = s2 + len;
+ return s1 + len;
}
/* move page */
-void HELPER(mvpg)(uint64_t r0, uint64_t r1, uint64_t r2)
+void HELPER(mvpg)(CPUS390XState *env, uint64_t r0, uint64_t r1, uint64_t r2)
{
/* XXX missing r0 handling */
+ env->cc_op = 0;
#ifdef CONFIG_USER_ONLY
- int i;
-
- for (i = 0; i < TARGET_PAGE_SIZE; i++) {
- stb(r1 + i, ldub(r2 + i));
- }
+ memmove(g2h(r1), g2h(r2), TARGET_PAGE_SIZE);
#else
mvc_fast_memmove(env, TARGET_PAGE_SIZE, r1, r2);
#endif
}
/* string copy (c is string terminator) */
-void HELPER(mvst)(uint32_t c, uint32_t r1, uint32_t r2)
+uint64_t HELPER(mvst)(CPUS390XState *env, uint64_t c, uint64_t d, uint64_t s)
{
- uint64_t dest = get_address_31fix(r1);
- uint64_t src = get_address_31fix(r2);
- uint8_t v;
+ uint32_t len;
c = c & 0xff;
-#ifdef CONFIG_USER_ONLY
- if (!c) {
- HELPER_LOG("%s: copy '%s' to 0x%lx\n", __func__, (char *)g2h(src),
- dest);
- }
-#endif
- for (;;) {
- v = ldub(src);
- stb(dest, v);
+ d = fix_address(env, d);
+ s = fix_address(env, s);
+
+ /* Lest we fail to service interrupts in a timely manner, limit the
+ amount of work we're willing to do. For now, let's cap at 8k. */
+ for (len = 0; len < 0x2000; ++len) {
+ uint8_t v = cpu_ldub_data(env, s + len);
+ cpu_stb_data(env, d + len, v);
if (v == c) {
- break;
+ /* Complete. Set CC=1 and advance R1. */
+ env->cc_op = 1;
+ env->retxl = s;
+ return d + len;
}
- src++;
- dest++;
}
- env->regs[r1] = dest; /* FIXME: 31-bit mode! */
-}
-/* compare and swap 64-bit */
-uint32_t HELPER(csg)(uint32_t r1, uint64_t a2, uint32_t r3)
-{
- /* FIXME: locking? */
- uint32_t cc;
- uint64_t v2 = ldq(a2);
-
- if (env->regs[r1] == v2) {
- cc = 0;
- stq(a2, env->regs[r3]);
- } else {
- cc = 1;
- env->regs[r1] = v2;
- }
- return cc;
+ /* Incomplete. Set CC=3 and signal to advance R1 and R2. */
+ env->cc_op = 3;
+ env->retxl = s + len;
+ return d + len;
}
-/* compare double and swap 64-bit */
-uint32_t HELPER(cdsg)(uint32_t r1, uint64_t a2, uint32_t r3)
-{
- /* FIXME: locking? */
- uint32_t cc;
- uint64_t v2_hi = ldq(a2);
- uint64_t v2_lo = ldq(a2 + 8);
- uint64_t v1_hi = env->regs[r1];
- uint64_t v1_lo = env->regs[r1 + 1];
-
- if ((v1_hi == v2_hi) && (v1_lo == v2_lo)) {
- cc = 0;
- stq(a2, env->regs[r3]);
- stq(a2 + 8, env->regs[r3 + 1]);
- } else {
- cc = 1;
- env->regs[r1] = v2_hi;
- env->regs[r1 + 1] = v2_lo;
- }
-
- return cc;
-}
-
-/* compare and swap 32-bit */
-uint32_t HELPER(cs)(uint32_t r1, uint64_t a2, uint32_t r3)
-{
- /* FIXME: locking? */
- uint32_t cc;
- uint32_t v2 = ldl(a2);
-
- HELPER_LOG("%s: r1 %d a2 0x%lx r3 %d\n", __func__, r1, a2, r3);
- if (((uint32_t)env->regs[r1]) == v2) {
- cc = 0;
- stl(a2, (uint32_t)env->regs[r3]);
- } else {
- cc = 1;
- env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) | v2;
- }
- return cc;
-}
-
-static uint32_t helper_icm(uint32_t r1, uint64_t address, uint32_t mask)
+static uint32_t helper_icm(CPUS390XState *env, uint32_t r1, uint64_t address,
+ uint32_t mask)
{
int pos = 24; /* top of the lower half of r1 */
uint64_t rmask = 0xff000000ULL;
while (mask) {
if (mask & 8) {
env->regs[r1] &= ~rmask;
- val = ldub(address);
+ val = cpu_ldub_data(env, address);
if ((val & 0x80) && !ccd) {
cc = 1;
}
in other words: tricky...
currently implemented by interpreting the cases it is most commonly used in
*/
-uint32_t HELPER(ex)(uint32_t cc, uint64_t v1, uint64_t addr, uint64_t ret)
+uint32_t HELPER(ex)(CPUS390XState *env, uint32_t cc, uint64_t v1,
+ uint64_t addr, uint64_t ret)
{
- uint16_t insn = lduw_code(addr);
+ uint16_t insn = cpu_lduw_code(env, addr);
HELPER_LOG("%s: v1 0x%lx addr 0x%lx insn 0x%x\n", __func__, v1, addr,
insn);
uint32_t l, insn2, b1, b2, d1, d2;
l = v1 & 0xff;
- insn2 = ldl_code(addr + 2);
+ insn2 = cpu_ldl_code(env, addr + 2);
b1 = (insn2 >> 28) & 0xf;
b2 = (insn2 >> 12) & 0xf;
d1 = (insn2 >> 16) & 0xfff;
d2 = insn2 & 0xfff;
switch (insn & 0xf00) {
case 0x200:
- helper_mvc(l, get_address(0, b1, d1), get_address(0, b2, d2));
+ helper_mvc(env, l, get_address(env, 0, b1, d1),
+ get_address(env, 0, b2, d2));
break;
case 0x500:
- cc = helper_clc(l, get_address(0, b1, d1), get_address(0, b2, d2));
+ cc = helper_clc(env, l, get_address(env, 0, b1, d1),
+ get_address(env, 0, b2, d2));
break;
case 0x700:
- cc = helper_xc(l, get_address(0, b1, d1), get_address(0, b2, d2));
+ cc = helper_xc(env, l, get_address(env, 0, b1, d1),
+ get_address(env, 0, b2, d2));
break;
case 0xc00:
- helper_tr(l, get_address(0, b1, d1), get_address(0, b2, d2));
+ helper_tr(env, l, get_address(env, 0, b1, d1),
+ get_address(env, 0, b2, d2));
break;
default:
goto abort;
- break;
}
} else if ((insn & 0xff00) == 0x0a00) {
/* supervisor call */
HELPER_LOG("%s: svc %ld via execute\n", __func__, (insn | v1) & 0xff);
env->psw.addr = ret - 4;
env->int_svc_code = (insn | v1) & 0xff;
- env->int_svc_ilc = 4;
+ env->int_svc_ilen = 4;
helper_exception(env, EXCP_SVC);
} else if ((insn & 0xff00) == 0xbf00) {
uint32_t insn2, r1, r3, b2, d2;
- insn2 = ldl_code(addr + 2);
+ insn2 = cpu_ldl_code(env, addr + 2);
r1 = (insn2 >> 20) & 0xf;
r3 = (insn2 >> 16) & 0xf;
b2 = (insn2 >> 12) & 0xf;
d2 = insn2 & 0xfff;
- cc = helper_icm(r1, get_address(0, b2, d2), r3);
+ cc = helper_icm(env, r1, get_address(env, 0, b2, d2), r3);
} else {
abort:
cpu_abort(env, "EXECUTE on instruction prefix 0x%x not implemented\n",
return cc;
}
-/* store character under mask high operates on the upper half of r1 */
-void HELPER(stcmh)(uint32_t r1, uint64_t address, uint32_t mask)
-{
- int pos = 56; /* top of the upper half of r1 */
-
- while (mask) {
- if (mask & 8) {
- stb(address, (env->regs[r1] >> pos) & 0xff);
- address++;
- }
- mask = (mask << 1) & 0xf;
- pos -= 8;
- }
-}
-
-/* insert character under mask high; same as icm, but operates on the
- upper half of r1 */
-uint32_t HELPER(icmh)(uint32_t r1, uint64_t address, uint32_t mask)
-{
- int pos = 56; /* top of the upper half of r1 */
- uint64_t rmask = 0xff00000000000000ULL;
- uint8_t val = 0;
- int ccd = 0;
- uint32_t cc = 0;
-
- while (mask) {
- if (mask & 8) {
- env->regs[r1] &= ~rmask;
- val = ldub(address);
- if ((val & 0x80) && !ccd) {
- cc = 1;
- }
- ccd = 1;
- if (val && cc == 0) {
- cc = 2;
- }
- env->regs[r1] |= (uint64_t)val << pos;
- address++;
- }
- mask = (mask << 1) & 0xf;
- pos -= 8;
- rmask >>= 8;
- }
-
- return cc;
-}
-
/* load access registers r1 to r3 from memory at a2 */
-void HELPER(lam)(uint32_t r1, uint64_t a2, uint32_t r3)
+void HELPER(lam)(CPUS390XState *env, uint32_t r1, uint64_t a2, uint32_t r3)
{
int i;
for (i = r1;; i = (i + 1) % 16) {
- env->aregs[i] = ldl(a2);
+ env->aregs[i] = cpu_ldl_data(env, a2);
a2 += 4;
if (i == r3) {
}
/* store access registers r1 to r3 in memory at a2 */
-void HELPER(stam)(uint32_t r1, uint64_t a2, uint32_t r3)
+void HELPER(stam)(CPUS390XState *env, uint32_t r1, uint64_t a2, uint32_t r3)
{
int i;
for (i = r1;; i = (i + 1) % 16) {
- stl(a2, env->aregs[i]);
+ cpu_stl_data(env, a2, env->aregs[i]);
a2 += 4;
if (i == r3) {
}
/* move long */
-uint32_t HELPER(mvcl)(uint32_t r1, uint32_t r2)
+uint32_t HELPER(mvcl)(CPUS390XState *env, uint32_t r1, uint32_t r2)
{
uint64_t destlen = env->regs[r1 + 1] & 0xffffff;
- uint64_t dest = get_address_31fix(r1);
+ uint64_t dest = get_address_31fix(env, r1);
uint64_t srclen = env->regs[r2 + 1] & 0xffffff;
- uint64_t src = get_address_31fix(r2);
+ uint64_t src = get_address_31fix(env, r2);
uint8_t pad = src >> 24;
uint8_t v;
uint32_t cc;
}
for (; destlen && srclen; src++, dest++, destlen--, srclen--) {
- v = ldub(src);
- stb(dest, v);
+ v = cpu_ldub_data(env, src);
+ cpu_stb_data(env, dest, v);
}
for (; destlen; dest++, destlen--) {
- stb(dest, pad);
+ cpu_stb_data(env, dest, pad);
}
env->regs[r1 + 1] = destlen;
}
/* move long extended another memcopy insn with more bells and whistles */
-uint32_t HELPER(mvcle)(uint32_t r1, uint64_t a2, uint32_t r3)
+uint32_t HELPER(mvcle)(CPUS390XState *env, uint32_t r1, uint64_t a2,
+ uint32_t r3)
{
uint64_t destlen = env->regs[r1 + 1];
uint64_t dest = env->regs[r1];
}
for (; destlen && srclen; src++, dest++, destlen--, srclen--) {
- v = ldub(src);
- stb(dest, v);
+ v = cpu_ldub_data(env, src);
+ cpu_stb_data(env, dest, v);
}
for (; destlen; dest++, destlen--) {
- stb(dest, pad);
+ cpu_stb_data(env, dest, pad);
}
env->regs[r1 + 1] = destlen;
}
/* compare logical long extended memcompare insn with padding */
-uint32_t HELPER(clcle)(uint32_t r1, uint64_t a2, uint32_t r3)
+uint32_t HELPER(clcle)(CPUS390XState *env, uint32_t r1, uint64_t a2,
+ uint32_t r3)
{
uint64_t destlen = env->regs[r1 + 1];
- uint64_t dest = get_address_31fix(r1);
+ uint64_t dest = get_address_31fix(env, r1);
uint64_t srclen = env->regs[r3 + 1];
- uint64_t src = get_address_31fix(r3);
+ uint64_t src = get_address_31fix(env, r3);
uint8_t pad = a2 & 0xff;
uint8_t v1 = 0, v2 = 0;
uint32_t cc = 0;
}
for (; destlen || srclen; src++, dest++, destlen--, srclen--) {
- v1 = srclen ? ldub(src) : pad;
- v2 = destlen ? ldub(dest) : pad;
+ v1 = srclen ? cpu_ldub_data(env, src) : pad;
+ v2 = destlen ? cpu_ldub_data(env, dest) : pad;
if (v1 != v2) {
cc = (v1 < v2) ? 1 : 2;
break;
}
/* checksum */
-void HELPER(cksm)(uint32_t r1, uint32_t r2)
+uint64_t HELPER(cksm)(CPUS390XState *env, uint64_t r1,
+ uint64_t src, uint64_t src_len)
{
- uint64_t src = get_address_31fix(r2);
- uint64_t src_len = env->regs[(r2 + 1) & 15];
- uint64_t cksm = (uint32_t)env->regs[r1];
+ uint64_t max_len, len;
+ uint64_t cksm = (uint32_t)r1;
- while (src_len >= 4) {
- cksm += ldl(src);
+ /* Lest we fail to service interrupts in a timely manner, limit the
+ amount of work we're willing to do. For now, let's cap at 8k. */
+ max_len = (src_len > 0x2000 ? 0x2000 : src_len);
- /* move to next word */
- src_len -= 4;
- src += 4;
+ /* Process full words as available. */
+ for (len = 0; len + 4 <= max_len; len += 4, src += 4) {
+ cksm += (uint32_t)cpu_ldl_data(env, src);
}
- switch (src_len) {
- case 0:
- break;
+ switch (max_len - len) {
case 1:
- cksm += ldub(src) << 24;
+ cksm += cpu_ldub_data(env, src) << 24;
+ len += 1;
break;
case 2:
- cksm += lduw(src) << 16;
+ cksm += cpu_lduw_data(env, src) << 16;
+ len += 2;
break;
case 3:
- cksm += lduw(src) << 16;
- cksm += ldub(src + 2) << 8;
+ cksm += cpu_lduw_data(env, src) << 16;
+ cksm += cpu_ldub_data(env, src + 2) << 8;
+ len += 3;
break;
}
- /* indicate we've processed everything */
- env->regs[r2] = src + src_len;
- env->regs[(r2 + 1) & 15] = 0;
+ /* Fold the carry from the checksum. Note that we can see carry-out
+ during folding more than once (but probably not more than twice). */
+ while (cksm > 0xffffffffull) {
+ cksm = (uint32_t)cksm + (cksm >> 32);
+ }
+
+ /* Indicate whether or not we've processed everything. */
+ env->cc_op = (len == src_len ? 0 : 3);
- /* store result */
- env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) |
- ((uint32_t)cksm + (cksm >> 32));
+ /* Return both cksm and processed length. */
+ env->retxl = cksm;
+ return len;
}
-void HELPER(unpk)(uint32_t len, uint64_t dest, uint64_t src)
+void HELPER(unpk)(CPUS390XState *env, uint32_t len, uint64_t dest,
+ uint64_t src)
{
int len_dest = len >> 4;
int len_src = len & 0xf;
src += len_src;
/* last byte is special, it only flips the nibbles */
- b = ldub(src);
- stb(dest, (b << 4) | (b >> 4));
+ b = cpu_ldub_data(env, src);
+ cpu_stb_data(env, dest, (b << 4) | (b >> 4));
src--;
len_src--;
uint8_t cur_byte = 0;
if (len_src > 0) {
- cur_byte = ldub(src);
+ cur_byte = cpu_ldub_data(env, src);
}
len_dest--;
/* zone bits */
cur_byte |= 0xf0;
- stb(dest, cur_byte);
+ cpu_stb_data(env, dest, cur_byte);
}
}
-void HELPER(tr)(uint32_t len, uint64_t array, uint64_t trans)
+void HELPER(tr)(CPUS390XState *env, uint32_t len, uint64_t array,
+ uint64_t trans)
{
int i;
for (i = 0; i <= len; i++) {
- uint8_t byte = ldub(array + i);
- uint8_t new_byte = ldub(trans + byte);
+ uint8_t byte = cpu_ldub_data(env, array + i);
+ uint8_t new_byte = cpu_ldub_data(env, trans + byte);
- stb(array + i, new_byte);
+ cpu_stb_data(env, array + i, new_byte);
}
}
#if !defined(CONFIG_USER_ONLY)
-void HELPER(lctlg)(uint32_t r1, uint64_t a2, uint32_t r3)
+void HELPER(lctlg)(CPUS390XState *env, uint32_t r1, uint64_t a2, uint32_t r3)
{
int i;
uint64_t src = a2;
for (i = r1;; i = (i + 1) % 16) {
- env->cregs[i] = ldq(src);
+ env->cregs[i] = cpu_ldq_data(env, src);
HELPER_LOG("load ctl %d from 0x%" PRIx64 " == 0x%" PRIx64 "\n",
i, src, env->cregs[i]);
src += sizeof(uint64_t);
tlb_flush(env, 1);
}
-void HELPER(lctl)(uint32_t r1, uint64_t a2, uint32_t r3)
+void HELPER(lctl)(CPUS390XState *env, uint32_t r1, uint64_t a2, uint32_t r3)
{
int i;
uint64_t src = a2;
for (i = r1;; i = (i + 1) % 16) {
- env->cregs[i] = (env->cregs[i] & 0xFFFFFFFF00000000ULL) | ldl(src);
+ env->cregs[i] = (env->cregs[i] & 0xFFFFFFFF00000000ULL) |
+ cpu_ldl_data(env, src);
src += sizeof(uint32_t);
if (i == r3) {
tlb_flush(env, 1);
}
-void HELPER(stctg)(uint32_t r1, uint64_t a2, uint32_t r3)
+void HELPER(stctg)(CPUS390XState *env, uint32_t r1, uint64_t a2, uint32_t r3)
{
int i;
uint64_t dest = a2;
for (i = r1;; i = (i + 1) % 16) {
- stq(dest, env->cregs[i]);
+ cpu_stq_data(env, dest, env->cregs[i]);
dest += sizeof(uint64_t);
if (i == r3) {
}
}
-void HELPER(stctl)(uint32_t r1, uint64_t a2, uint32_t r3)
+void HELPER(stctl)(CPUS390XState *env, uint32_t r1, uint64_t a2, uint32_t r3)
{
int i;
uint64_t dest = a2;
for (i = r1;; i = (i + 1) % 16) {
- stl(dest, env->cregs[i]);
+ cpu_stl_data(env, dest, env->cregs[i]);
dest += sizeof(uint32_t);
if (i == r3) {
}
/* insert storage key extended */
-uint64_t HELPER(iske)(uint64_t r2)
+uint64_t HELPER(iske)(CPUS390XState *env, uint64_t r2)
{
- uint64_t addr = get_address(0, 0, r2);
+ uint64_t addr = get_address(env, 0, 0, r2);
if (addr > ram_size) {
return 0;
}
/* set storage key extended */
-void HELPER(sske)(uint32_t r1, uint64_t r2)
+void HELPER(sske)(CPUS390XState *env, uint64_t r1, uint64_t r2)
{
- uint64_t addr = get_address(0, 0, r2);
+ uint64_t addr = get_address(env, 0, 0, r2);
if (addr > ram_size) {
return;
}
/* reset reference bit extended */
-uint32_t HELPER(rrbe)(uint32_t r1, uint64_t r2)
+uint32_t HELPER(rrbe)(CPUS390XState *env, uint64_t r2)
{
uint8_t re;
uint8_t key;
}
/* compare and swap and purge */
-uint32_t HELPER(csp)(uint32_t r1, uint32_t r2)
+uint32_t HELPER(csp)(CPUS390XState *env, uint32_t r1, uint64_t r2)
{
uint32_t cc;
uint32_t o1 = env->regs[r1];
- uint64_t a2 = get_address_31fix(r2) & ~3ULL;
- uint32_t o2 = ldl(a2);
+ uint64_t a2 = r2 & ~3ULL;
+ uint32_t o2 = cpu_ldl_data(env, a2);
if (o1 == o2) {
- stl(a2, env->regs[(r1 + 1) & 15]);
- if (env->regs[r2] & 0x3) {
+ cpu_stl_data(env, a2, env->regs[(r1 + 1) & 15]);
+ if (r2 & 0x3) {
/* flush TLB / ALB */
tlb_flush(env, 1);
}
return cc;
}
-static uint32_t mvc_asc(int64_t l, uint64_t a1, uint64_t mode1, uint64_t a2,
- uint64_t mode2)
+static uint32_t mvc_asc(CPUS390XState *env, int64_t l, uint64_t a1,
+ uint64_t mode1, uint64_t a2, uint64_t mode2)
{
+ CPUState *cs = ENV_GET_CPU(env);
target_ulong src, dest;
int flags, cc = 0, i;
/* XXX be more clever */
if ((((dest + i) & TARGET_PAGE_MASK) != (dest & TARGET_PAGE_MASK)) ||
(((src + i) & TARGET_PAGE_MASK) != (src & TARGET_PAGE_MASK))) {
- mvc_asc(l - i, a1 + i, mode1, a2 + i, mode2);
+ mvc_asc(env, l - i, a1 + i, mode1, a2 + i, mode2);
break;
}
- stb_phys(dest + i, ldub_phys(src + i));
+ stb_phys(cs->as, dest + i, ldub_phys(cs->as, src + i));
}
return cc;
}
-uint32_t HELPER(mvcs)(uint64_t l, uint64_t a1, uint64_t a2)
+uint32_t HELPER(mvcs)(CPUS390XState *env, uint64_t l, uint64_t a1, uint64_t a2)
{
HELPER_LOG("%s: %16" PRIx64 " %16" PRIx64 " %16" PRIx64 "\n",
__func__, l, a1, a2);
- return mvc_asc(l, a1, PSW_ASC_SECONDARY, a2, PSW_ASC_PRIMARY);
+ return mvc_asc(env, l, a1, PSW_ASC_SECONDARY, a2, PSW_ASC_PRIMARY);
}
-uint32_t HELPER(mvcp)(uint64_t l, uint64_t a1, uint64_t a2)
+uint32_t HELPER(mvcp)(CPUS390XState *env, uint64_t l, uint64_t a1, uint64_t a2)
{
HELPER_LOG("%s: %16" PRIx64 " %16" PRIx64 " %16" PRIx64 "\n",
__func__, l, a1, a2);
- return mvc_asc(l, a1, PSW_ASC_PRIMARY, a2, PSW_ASC_SECONDARY);
+ return mvc_asc(env, l, a1, PSW_ASC_PRIMARY, a2, PSW_ASC_SECONDARY);
}
/* invalidate pte */
-void HELPER(ipte)(uint64_t pte_addr, uint64_t vaddr)
+void HELPER(ipte)(CPUS390XState *env, uint64_t pte_addr, uint64_t vaddr)
{
+ CPUState *cs = ENV_GET_CPU(env);
uint64_t page = vaddr & TARGET_PAGE_MASK;
uint64_t pte = 0;
According to spec we'd have to find it out ourselves */
/* XXX Linux is fine with overwriting the pte, the spec requires
us to only set the invalid bit */
- stq_phys(pte_addr, pte | _PAGE_INVALID);
+ stq_phys(cs->as, pte_addr, pte | _PAGE_INVALID);
/* XXX we exploit the fact that Linux passes the exact virtual
address here - it's not obliged to! */
}
/* flush local tlb */
-void HELPER(ptlb)(void)
+void HELPER(ptlb)(CPUS390XState *env)
{
tlb_flush(env, 1);
}
/* store using real address */
-void HELPER(stura)(uint64_t addr, uint32_t v1)
+void HELPER(stura)(CPUS390XState *env, uint64_t addr, uint64_t v1)
{
- stw_phys(get_address(0, 0, addr), v1);
+ CPUState *cs = ENV_GET_CPU(env);
+ stw_phys(cs->as, get_address(env, 0, 0, addr), (uint32_t)v1);
}
/* load real address */
-uint32_t HELPER(lra)(uint64_t addr, uint32_t r1)
+uint64_t HELPER(lra)(CPUS390XState *env, uint64_t addr)
{
uint32_t cc = 0;
int old_exc = env->exception_index;
}
env->exception_index = old_exc;
- if (!(env->psw.mask & PSW_MASK_64)) {
- env->regs[r1] = (env->regs[r1] & 0xffffffff00000000ULL) |
- (ret & 0xffffffffULL);
- } else {
- env->regs[r1] = ret;
- }
-
- return cc;
+ env->cc_op = cc;
+ return ret;
}
-
-#endif
-
-/* temporary wrappers */
-#if defined(CONFIG_USER_ONLY)
-#define ldub_data(addr) ldub_raw(addr)
-#define lduw_data(addr) lduw_raw(addr)
-#define ldl_data(addr) ldl_raw(addr)
-#define ldq_data(addr) ldq_raw(addr)
-
-#define stb_data(addr, data) stb_raw(addr, data)
-#define stw_data(addr, data) stw_raw(addr, data)
-#define stl_data(addr, data) stl_raw(addr, data)
-#define stq_data(addr, data) stq_raw(addr, data)
#endif
-
-#define WRAP_LD(rettype, fn) \
- rettype cpu_ ## fn(CPUS390XState *env1, target_ulong addr) \
- { \
- CPUS390XState *saved_env; \
- rettype ret; \
- \
- saved_env = env; \
- env = env1; \
- ret = fn(addr); \
- env = saved_env; \
- return ret; \
- }
-
-WRAP_LD(uint32_t, ldub_data)
-WRAP_LD(uint32_t, lduw_data)
-WRAP_LD(uint32_t, ldl_data)
-WRAP_LD(uint64_t, ldq_data)
-#undef WRAP_LD
-
-#define WRAP_ST(datatype, fn) \
- void cpu_ ## fn(CPUS390XState *env1, target_ulong addr, datatype val) \
- { \
- CPUS390XState *saved_env; \
- \
- saved_env = env; \
- env = env1; \
- fn(addr, val); \
- env = saved_env; \
- }
-
-WRAP_ST(uint32_t, stb_data)
-WRAP_ST(uint32_t, stw_data)
-WRAP_ST(uint32_t, stl_data)
-WRAP_ST(uint64_t, stq_data)
-#undef WRAP_ST
projects / qemu.git / blobdiff