#include "qemu-char.h"
#include "sysemu.h"
#include "qemu-char.h"
-#include "exec-all.h"
+#include "exec.h"
+#include "helper_regs.h"
#include "hw/spapr.h"
#define HPTES_PER_GROUP 8
target_ulong pte_index = args[1];
target_ulong pteh = args[2];
target_ulong ptel = args[3];
- target_ulong porder;
- target_ulong i, pa;
+ target_ulong i;
uint8_t *hpte;
/* only handle 4k and 16M pages for now */
- porder = 12;
if (pteh & HPTE_V_LARGE) {
#if 0 /* We don't support 64k pages yet */
if ((ptel & 0xf000) == 0x1000) {
/* 64k page */
- porder = 16;
} else
#endif
if ((ptel & 0xff000) == 0) {
/* 16M page */
- porder = 24;
/* lowest AVA bit must be 0 for 16M pages */
if (pteh & 0x80) {
return H_PARAMETER;
}
}
- pa = ptel & HPTE_R_RPN;
/* FIXME: bounds check the pa? */
/* Check WIMG */
return H_SUCCESS;
}
+static target_ulong h_set_dabr(CPUState *env, sPAPREnvironment *spapr,
+ target_ulong opcode, target_ulong *args)
+{
+ /* FIXME: actually implement this */
+ return H_HARDWARE;
+}
+
+#define FLAGS_REGISTER_VPA 0x0000200000000000ULL
+#define FLAGS_REGISTER_DTL 0x0000400000000000ULL
+#define FLAGS_REGISTER_SLBSHADOW 0x0000600000000000ULL
+#define FLAGS_DEREGISTER_VPA 0x0000a00000000000ULL
+#define FLAGS_DEREGISTER_DTL 0x0000c00000000000ULL
+#define FLAGS_DEREGISTER_SLBSHADOW 0x0000e00000000000ULL
+
+#define VPA_MIN_SIZE 640
+#define VPA_SIZE_OFFSET 0x4
+#define VPA_SHARED_PROC_OFFSET 0x9
+#define VPA_SHARED_PROC_VAL 0x2
+
+static target_ulong register_vpa(CPUState *env, target_ulong vpa)
+{
+ uint16_t size;
+ uint8_t tmp;
+
+ if (vpa == 0) {
+ hcall_dprintf("Can't cope with registering a VPA at logical 0\n");
+ return H_HARDWARE;
+ }
+
+ if (vpa % env->dcache_line_size) {
+ return H_PARAMETER;
+ }
+ /* FIXME: bounds check the address */
+
+ size = lduw_be_phys(vpa + 0x4);
+
+ if (size < VPA_MIN_SIZE) {
+ return H_PARAMETER;
+ }
+
+ /* VPA is not allowed to cross a page boundary */
+ if ((vpa / 4096) != ((vpa + size - 1) / 4096)) {
+ return H_PARAMETER;
+ }
+
+ env->vpa = vpa;
+
+ tmp = ldub_phys(env->vpa + VPA_SHARED_PROC_OFFSET);
+ tmp |= VPA_SHARED_PROC_VAL;
+ stb_phys(env->vpa + VPA_SHARED_PROC_OFFSET, tmp);
+
+ return H_SUCCESS;
+}
+
+static target_ulong deregister_vpa(CPUState *env, target_ulong vpa)
+{
+ if (env->slb_shadow) {
+ return H_RESOURCE;
+ }
+
+ if (env->dispatch_trace_log) {
+ return H_RESOURCE;
+ }
+
+ env->vpa = 0;
+ return H_SUCCESS;
+}
+
+static target_ulong register_slb_shadow(CPUState *env, target_ulong addr)
+{
+ uint32_t size;
+
+ if (addr == 0) {
+ hcall_dprintf("Can't cope with SLB shadow at logical 0\n");
+ return H_HARDWARE;
+ }
+
+ size = ldl_be_phys(addr + 0x4);
+ if (size < 0x8) {
+ return H_PARAMETER;
+ }
+
+ if ((addr / 4096) != ((addr + size - 1) / 4096)) {
+ return H_PARAMETER;
+ }
+
+ if (!env->vpa) {
+ return H_RESOURCE;
+ }
+
+ env->slb_shadow = addr;
+
+ return H_SUCCESS;
+}
+
+static target_ulong deregister_slb_shadow(CPUState *env, target_ulong addr)
+{
+ env->slb_shadow = 0;
+ return H_SUCCESS;
+}
+
+static target_ulong register_dtl(CPUState *env, target_ulong addr)
+{
+ uint32_t size;
+
+ if (addr == 0) {
+ hcall_dprintf("Can't cope with DTL at logical 0\n");
+ return H_HARDWARE;
+ }
+
+ size = ldl_be_phys(addr + 0x4);
+
+ if (size < 48) {
+ return H_PARAMETER;
+ }
+
+ if (!env->vpa) {
+ return H_RESOURCE;
+ }
+
+ env->dispatch_trace_log = addr;
+ env->dtl_size = size;
+
+ return H_SUCCESS;
+}
+
+static target_ulong deregister_dtl(CPUState *emv, target_ulong addr)
+{
+ env->dispatch_trace_log = 0;
+ env->dtl_size = 0;
+
+ return H_SUCCESS;
+}
+
+static target_ulong h_register_vpa(CPUState *env, sPAPREnvironment *spapr,
+ target_ulong opcode, target_ulong *args)
+{
+ target_ulong flags = args[0];
+ target_ulong procno = args[1];
+ target_ulong vpa = args[2];
+ target_ulong ret = H_PARAMETER;
+ CPUState *tenv;
+
+ for (tenv = first_cpu; tenv; tenv = tenv->next_cpu) {
+ if (tenv->cpu_index == procno) {
+ break;
+ }
+ }
+
+ if (!tenv) {
+ return H_PARAMETER;
+ }
+
+ switch (flags) {
+ case FLAGS_REGISTER_VPA:
+ ret = register_vpa(tenv, vpa);
+ break;
+
+ case FLAGS_DEREGISTER_VPA:
+ ret = deregister_vpa(tenv, vpa);
+ break;
+
+ case FLAGS_REGISTER_SLBSHADOW:
+ ret = register_slb_shadow(tenv, vpa);
+ break;
+
+ case FLAGS_DEREGISTER_SLBSHADOW:
+ ret = deregister_slb_shadow(tenv, vpa);
+ break;
+
+ case FLAGS_REGISTER_DTL:
+ ret = register_dtl(tenv, vpa);
+ break;
+
+ case FLAGS_DEREGISTER_DTL:
+ ret = deregister_dtl(tenv, vpa);
+ break;
+ }
+
+ return ret;
+}
+
+static target_ulong h_cede(CPUState *env, sPAPREnvironment *spapr,
+ target_ulong opcode, target_ulong *args)
+{
+ env->msr |= (1ULL << MSR_EE);
+ hreg_compute_hflags(env);
+ if (!cpu_has_work(env)) {
+ env->halted = 1;
+ }
+ return H_SUCCESS;
+}
+
static target_ulong h_rtas(CPUState *env, sPAPREnvironment *spapr,
target_ulong opcode, target_ulong *args)
{
target_ulong rtas_r3 = args[0];
- uint32_t token = ldl_phys(rtas_r3);
- uint32_t nargs = ldl_phys(rtas_r3 + 4);
- uint32_t nret = ldl_phys(rtas_r3 + 8);
+ uint32_t token = ldl_be_phys(rtas_r3);
+ uint32_t nargs = ldl_be_phys(rtas_r3 + 4);
+ uint32_t nret = ldl_be_phys(rtas_r3 + 8);
return spapr_rtas_call(spapr, token, nargs, rtas_r3 + 12,
nret, rtas_r3 + 12 + 4*nargs);
}
-spapr_hcall_fn papr_hypercall_table[(MAX_HCALL_OPCODE / 4) + 1];
-spapr_hcall_fn kvmppc_hypercall_table[KVMPPC_HCALL_MAX - KVMPPC_HCALL_BASE];
+static spapr_hcall_fn papr_hypercall_table[(MAX_HCALL_OPCODE / 4) + 1];
+static spapr_hcall_fn kvmppc_hypercall_table[KVMPPC_HCALL_MAX - KVMPPC_HCALL_BASE + 1];
void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn)
{
spapr_register_hypercall(H_REMOVE, h_remove);
spapr_register_hypercall(H_PROTECT, h_protect);
+ /* hcall-dabr */
+ spapr_register_hypercall(H_SET_DABR, h_set_dabr);
+
+ /* hcall-splpar */
+ spapr_register_hypercall(H_REGISTER_VPA, h_register_vpa);
+ spapr_register_hypercall(H_CEDE, h_cede);
+
/* qemu/KVM-PPC specific hcalls */
spapr_register_hypercall(KVMPPC_H_RTAS, h_rtas);
}
projects / qemu.git / blobdiff