mirrors/qemu
0
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2024-11-25 11:53:39 +08:00
Code Issues Packages Projects Releases Wiki Activity

s390x/pci: Rework memory access in zpci instruction

Browse Source 
Change zpci instructions to use the new logical memory access
functions.

Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Frank Blaschka 2015-02-12 18:09:41 +01:00 committed by Christian Borntraeger
parent 7781a492fa
commit 63ceef61ac
1 changed files with 28 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
hw/s390x/s390-pci-inst.c
View File

@ -155,7 +155,9 @@ int clp_service_call(S390CPU *cpu, uint8_t r2)
return 0;
}
cpu_physical_memory_read(env->regs[r2], buffer, sizeof(*reqh));
if (s390_cpu_virt_mem_read(cpu, env->regs[r2], buffer, sizeof(*reqh))) {
return 0;
}
reqh = (ClpReqHdr *)buffer;
req_len = lduw_p(&reqh->len);
if (req_len < 16 || req_len > 8184 || (req_len % 8 != 0)) {
@ -163,7 +165,10 @@ int clp_service_call(S390CPU *cpu, uint8_t r2)
return 0;
}
cpu_physical_memory_read(env->regs[r2], buffer, req_len + sizeof(*resh));
if (s390_cpu_virt_mem_read(cpu, env->regs[r2], buffer,
req_len + sizeof(*resh))) {
return 0;
}
resh = (ClpRspHdr *)(buffer + req_len);
res_len = lduw_p(&resh->len);
if (res_len < 8 || res_len > 8176 || (res_len % 8 != 0)) {
@ -175,7 +180,10 @@ int clp_service_call(S390CPU *cpu, uint8_t r2)
return 0;
}
cpu_physical_memory_read(env->regs[r2], buffer, req_len + res_len);
if (s390_cpu_virt_mem_read(cpu, env->regs[r2], buffer,
req_len + res_len)) {
return 0;
}
if (req_len != 32) {
stw_p(&resh->rsp, CLP_RC_LEN);
@ -269,7 +277,10 @@ int clp_service_call(S390CPU *cpu, uint8_t r2)
}
out:
cpu_physical_memory_write(env->regs[r2], buffer, req_len + res_len);
if (s390_cpu_virt_mem_write(cpu, env->regs[r2], buffer,
req_len + res_len)) {
return 0;
}
setcc(cpu, cc);
return 0;
}
@ -539,10 +550,10 @@ int pcistb_service_call(S390CPU *cpu, uint8_t r1, uint8_t r3, uint64_t gaddr)
S390PCIBusDevice *pbdev;
MemoryRegion *mr;
int i;
uint64_t val;
uint32_t fh;
uint8_t pcias;
uint8_t len;
uint8_t buffer[128];
if (env->psw.mask & PSW_MASK_PSTATE) {
program_interrupt(env, PGM_PRIVILEGED, 6);
@ -590,9 +601,12 @@ int pcistb_service_call(S390CPU *cpu, uint8_t r1, uint8_t r3, uint64_t gaddr)
return 0;
}
if (s390_cpu_virt_mem_read(cpu, gaddr, buffer, len)) {
return 0;
}
for (i = 0; i < len / 8; i++) {
val = ldq_phys(&address_space_memory, gaddr + i * 8);
io_mem_write(mr, env->regs[r3] + i * 8, val, 8);
io_mem_write(mr, env->regs[r3] + i * 8, ldq_p(buffer + i * 8), 8);
}
setcc(cpu, ZPCI_PCI_LS_OK);
@ -709,7 +723,9 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba)
return 0;
}
cpu_physical_memory_read(fiba, (uint8_t *)&fib, sizeof(fib));
if (s390_cpu_virt_mem_read(cpu, fiba, (uint8_t *)&fib, sizeof(fib))) {
return 0;
}
switch (oc) {
case ZPCI_MOD_FC_REG_INT:
@ -809,7 +825,10 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba)
fib.fc |= 0x10;
}
cpu_physical_memory_write(fiba, (uint8_t *)&fib, sizeof(fib));
if (s390_cpu_virt_mem_write(cpu, fiba, (uint8_t *)&fib, sizeof(fib))) {
return 0;
}
setcc(cpu, cc);
return 0;
}