*/
#include "cpu.h"
-#include "memory.h"
-#include "cputlb.h"
-#include "host-utils.h"
+#include "exec/memory.h"
+#include "qemu/host-utils.h"
#include "helper.h"
#include <string.h>
-#include "kvm.h"
-#include "qemu-timer.h"
+#include "sysemu/kvm.h"
+#include "qemu/timer.h"
#ifdef CONFIG_KVM
#include <linux/kvm.h>
#endif
#if !defined(CONFIG_USER_ONLY)
-#include "softmmu_exec.h"
-#include "sysemu.h"
+#include "exec/softmmu_exec.h"
+#include "sysemu/sysemu.h"
#endif
/* #define DEBUG_HELPER */
#define HELPER_LOG(x...)
#endif
-/* raise an exception */
+/* Raise an exception dynamically from a helper function. */
+void QEMU_NORETURN runtime_exception(CPUS390XState *env, int excp,
+ uintptr_t retaddr)
+{
+ int t;
+
+ env->exception_index = EXCP_PGM;
+ env->int_pgm_code = excp;
+
+ /* Use the (ultimate) callers address to find the insn that trapped. */
+ cpu_restore_state(env, retaddr);
+
+ /* Advance past the insn. */
+ t = cpu_ldub_code(env, env->psw.addr);
+ env->int_pgm_ilen = t = get_ilen(t);
+ env->psw.addr += 2 * t;
+
+ cpu_loop_exit(env);
+}
+
+/* Raise an exception statically from a TB. */
void HELPER(exception)(CPUS390XState *env, uint32_t excp)
{
HELPER_LOG("%s: exception %d\n", __func__, excp);
}
#ifndef CONFIG_USER_ONLY
-void program_interrupt(CPUS390XState *env, uint32_t code, int ilc)
+
+/* EBCDIC handling */
+static const uint8_t ebcdic2ascii[] = {
+ 0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F,
+ 0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ 0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07,
+ 0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+ 0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B,
+ 0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07,
+ 0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
+ 0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
+ 0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
+ 0x87, 0xA4, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21,
+ 0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
+ 0x8D, 0xE1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
+ 0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
+ 0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
+ 0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+ 0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
+ 0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+ 0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
+ 0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
+ 0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
+ 0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
+ 0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
+ 0x9B, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
+ 0xAB, 0x07, 0xAA, 0x7C, 0x07, 0x07, 0x07, 0x07,
+ 0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+ 0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
+ 0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
+ 0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
+ 0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
+ 0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+ 0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07,
+};
+
+static const uint8_t ascii2ebcdic[] = {
+ 0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
+ 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ 0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26,
+ 0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F,
+ 0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D,
+ 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
+ 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
+ 0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
+ 0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
+ 0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
+ 0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
+ 0xE7, 0xE8, 0xE9, 0xBA, 0xE0, 0xBB, 0xB0, 0x6D,
+ 0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+ 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
+ 0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
+ 0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
+ 0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF
+};
+
+static inline void ebcdic_put(uint8_t *p, const char *ascii, int len)
{
- qemu_log("program interrupt at %#" PRIx64 "\n", env->psw.addr);
+ int i;
+
+ for (i = 0; i < len; i++) {
+ p[i] = ascii2ebcdic[(uint8_t)ascii[i]];
+ }
+}
+
+void program_interrupt(CPUS390XState *env, uint32_t code, int ilen)
+{
+ qemu_log_mask(CPU_LOG_INT, "program interrupt at %#" PRIx64 "\n",
+ env->psw.addr);
if (kvm_enabled()) {
#ifdef CONFIG_KVM
- kvm_s390_interrupt(env, KVM_S390_PROGRAM_INT, code);
+ kvm_s390_interrupt(s390_env_get_cpu(env), KVM_S390_PROGRAM_INT, code);
#endif
} else {
env->int_pgm_code = code;
- env->int_pgm_ilc = ilc;
+ env->int_pgm_ilen = ilen;
env->exception_index = EXCP_PGM;
cpu_loop_exit(env);
}
}
-/*
- * ret < 0 indicates program check, ret = 0, 1, 2, 3 -> cc
- */
-int sclp_service_call(CPUS390XState *env, uint32_t sccb, uint64_t code)
-{
- int r = 0;
- int shift = 0;
-
-#ifdef DEBUG_HELPER
- printf("sclp(0x%x, 0x%" PRIx64 ")\n", sccb, code);
-#endif
-
- /* basic checks */
- if (!memory_region_is_ram(phys_page_find(sccb >> TARGET_PAGE_BITS)->mr)) {
- return -PGM_ADDRESSING;
- }
- if (sccb & ~0x7ffffff8ul) {
- return -PGM_SPECIFICATION;
- }
-
- switch (code) {
- case SCLP_CMDW_READ_SCP_INFO:
- case SCLP_CMDW_READ_SCP_INFO_FORCED:
- while ((ram_size >> (20 + shift)) > 65535) {
- shift++;
- }
- stw_phys(sccb + SCP_MEM_CODE, ram_size >> (20 + shift));
- stb_phys(sccb + SCP_INCREMENT, 1 << shift);
- stw_phys(sccb + SCP_RESPONSE_CODE, 0x10);
-
- s390_sclp_extint(sccb & ~3);
- break;
- default:
-#ifdef DEBUG_HELPER
- printf("KVM: invalid sclp call 0x%x / 0x%" PRIx64 "x\n", sccb, code);
-#endif
- r = 3;
- break;
- }
-
- return r;
-}
-
/* SCLP service call */
-uint32_t HELPER(servc)(CPUS390XState *env, uint32_t r1, uint64_t r2)
+uint32_t HELPER(servc)(CPUS390XState *env, uint64_t r1, uint64_t r2)
{
- int r;
-
- r = sclp_service_call(env, r1, r2);
+ int r = sclp_service_call(r1, r2);
if (r < 0) {
program_interrupt(env, -r, 4);
return 0;
switch (num) {
case 0x500:
/* KVM hypercall */
- r = s390_virtio_hypercall(env, mem, code);
+ r = s390_virtio_hypercall(env);
break;
case 0x44:
/* yield */
}
if (r) {
- program_interrupt(env, PGM_OPERATION, ILC_LATER_INC);
+ program_interrupt(env, PGM_OPERATION, ILEN_LATER_INC);
}
return r;
}
-/* Store CPU ID */
-void HELPER(stidp)(CPUS390XState *env, uint64_t a1)
-{
- cpu_stq_data(env, a1, env->cpu_num);
-}
-
/* Set Prefix */
void HELPER(spx)(CPUS390XState *env, uint64_t a1)
{
- uint32_t prefix;
-
- prefix = cpu_ldl_data(env, a1);
- env->psa = prefix & 0xfffff000;
+ uint32_t prefix = a1 & 0x7fffe000;
+ env->psa = prefix;
qemu_log("prefix: %#x\n", prefix);
tlb_flush_page(env, 0);
tlb_flush_page(env, TARGET_PAGE_SIZE);
}
-/* Set Clock */
-uint32_t HELPER(sck)(uint64_t a1)
-{
- /* XXX not implemented - is it necessary? */
-
- return 0;
-}
-
static inline uint64_t clock_value(CPUS390XState *env)
{
uint64_t time;
}
/* Store Clock */
-uint32_t HELPER(stck)(CPUS390XState *env, uint64_t a1)
-{
- cpu_stq_data(env, a1, clock_value(env));
-
- return 0;
-}
-
-/* Store Clock Extended */
-uint32_t HELPER(stcke)(CPUS390XState *env, uint64_t a1)
+uint64_t HELPER(stck)(CPUS390XState *env)
{
- cpu_stb_data(env, a1, 0);
- /* basically the same value as stck */
- cpu_stq_data(env, a1 + 1, clock_value(env) | env->cpu_num);
- /* more fine grained than stck */
- cpu_stq_data(env, a1 + 9, 0);
- /* XXX programmable fields */
- cpu_stw_data(env, a1 + 17, 0);
-
- return 0;
+ return clock_value(env);
}
/* Set Clock Comparator */
-void HELPER(sckc)(CPUS390XState *env, uint64_t a1)
+void HELPER(sckc)(CPUS390XState *env, uint64_t time)
{
- uint64_t time = cpu_ldq_data(env, a1);
-
if (time == -1ULL) {
return;
}
}
/* Store Clock Comparator */
-void HELPER(stckc)(CPUS390XState *env, uint64_t a1)
+uint64_t HELPER(stckc)(CPUS390XState *env)
{
/* XXX implement */
- cpu_stq_data(env, a1, 0);
+ return 0;
}
/* Set CPU Timer */
-void HELPER(spt)(CPUS390XState *env, uint64_t a1)
+void HELPER(spt)(CPUS390XState *env, uint64_t time)
{
- uint64_t time = cpu_ldq_data(env, a1);
-
if (time == -1ULL) {
return;
}
}
/* Store CPU Timer */
-void HELPER(stpt)(CPUS390XState *env, uint64_t a1)
+uint64_t HELPER(stpt)(CPUS390XState *env)
{
/* XXX implement */
- cpu_stq_data(env, a1, 0);
+ return 0;
}
/* Store System Information */
-uint32_t HELPER(stsi)(CPUS390XState *env, uint64_t a0, uint32_t r0,
- uint32_t r1)
+uint32_t HELPER(stsi)(CPUS390XState *env, uint64_t a0,
+ uint64_t r0, uint64_t r1)
{
int cc = 0;
int sel1, sel2;
projects / qemu.git / blobdiff