# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID fffb36174ddb70ddcda84d66b6389722dc37e1bd
# Parent c13c3bd7f3b51caeb4219cc65fdd67b277ee06a8
[IA64] merge pal emulator
Merge VTi pal emulator with Xen pal emulator.
Xen/ia64 now has only one pal and one sal emulator.
Signed-off-by: Tristan Gingold <tristan.gingold@xxxxxxxx>
---
xen/arch/ia64/vmx/pal_emul.c | 515 ++-----------------------------------------
xen/arch/ia64/xen/fw_emul.c | 65 +++--
2 files changed, 73 insertions(+), 507 deletions(-)
diff -r c13c3bd7f3b5 -r fffb36174ddb xen/arch/ia64/vmx/pal_emul.c
--- a/xen/arch/ia64/vmx/pal_emul.c Wed Oct 18 22:06:23 2006 -0600
+++ b/xen/arch/ia64/vmx/pal_emul.c Wed Oct 18 22:06:38 2006 -0600
@@ -17,509 +17,46 @@
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*/
-
-#include <asm/vmx_vcpu.h>
+
+#include <xen/lib.h>
+#include <asm/vcpu.h>
+#include <asm/dom_fw.h>
#include <asm/pal.h>
#include <asm/sal.h>
-#include <asm/dom_fw.h>
-#include <asm/tlb.h>
-#include <asm/vmx_mm_def.h>
-#include <xen/hypercall.h>
-#include <public/sched.h>
-/*
- * Handy macros to make sure that the PAL return values start out
- * as something meaningful.
- */
-#define INIT_PAL_STATUS_UNIMPLEMENTED(x) \
- { \
- x.status = PAL_STATUS_UNIMPLEMENTED; \
- x.v0 = 0; \
- x.v1 = 0; \
- x.v2 = 0; \
- }
-
-#define INIT_PAL_STATUS_SUCCESS(x) \
- { \
- x.status = PAL_STATUS_SUCCESS; \
- x.v0 = 0; \
- x.v1 = 0; \
- x.v2 = 0; \
- }
-
-static void
-get_pal_parameters(VCPU *vcpu, u64 *gr29, u64 *gr30, u64 *gr31) {
-
- vcpu_get_gr_nat(vcpu,29,gr29);
- vcpu_get_gr_nat(vcpu,30,gr30);
- vcpu_get_gr_nat(vcpu,31,gr31);
-}
-
-static void
-set_pal_result(VCPU *vcpu,struct ia64_pal_retval result) {
-
- vcpu_set_gr(vcpu,8, result.status,0);
- vcpu_set_gr(vcpu,9, result.v0,0);
- vcpu_set_gr(vcpu,10, result.v1,0);
- vcpu_set_gr(vcpu,11, result.v2,0);
-}
-
-static void
-set_sal_result(VCPU *vcpu,struct sal_ret_values result) {
-
- vcpu_set_gr(vcpu,8, result.r8,0);
- vcpu_set_gr(vcpu,9, result.r9,0);
- vcpu_set_gr(vcpu,10, result.r10,0);
- vcpu_set_gr(vcpu,11, result.r11,0);
-}
-
-static struct ia64_pal_retval
-pal_cache_flush(VCPU *vcpu) {
- u64 gr28,gr29, gr30, gr31;
+void
+pal_emul(struct vcpu *vcpu)
+{
+ u64 gr28, gr29, gr30, gr31;
struct ia64_pal_retval result;
- get_pal_parameters(vcpu, &gr29, &gr30, &gr31);
- vcpu_get_gr_nat(vcpu, 28, &gr28);
+ vcpu_get_gr_nat(vcpu, 28, &gr28); //bank1
- /* Always call Host Pal in int=1 */
- gr30 = gr30 & ~0x2UL;
+ /* FIXME: works only for static calling convention ? */
+ vcpu_get_gr_nat(vcpu, 29, &gr29);
+ vcpu_get_gr_nat(vcpu, 30, &gr30);
+ vcpu_get_gr_nat(vcpu, 31, &gr31);
- /*
- * Call Host PAL cache flush
- * Clear psr.ic when call PAL_CACHE_FLUSH
- */
- result = ia64_pal_call_static(gr28 ,gr29, gr30, gr31, 1);
+ perfc_incrc(vmx_pal_emul);
+ result = xen_pal_emulator(gr28, gr29, gr30, gr31);
- /* If host PAL call is interrupted, then loop to complete it */
-// while (result.status == 1)
-// ia64_pal_call_static(gr28 ,gr29, gr30, result.v1, 1LL);
-//
- if (result.status != 0)
- panic_domain(vcpu_regs(vcpu), "PAL_CACHE_FLUSH ERROR, "
- "status %ld", result.status);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_vm_tr_read(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_prefetch_visibility(VCPU *vcpu) {
- /* Due to current MM virtualization algorithm,
- * We do not allow guest to change mapping attribute.
- * Thus we will not support PAL_PREFETCH_VISIBILITY
- */
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_platform_addr(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_SUCCESS(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_halt(VCPU *vcpu) {
- //bugbug: to be implement.
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_halt_light(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- if (!is_unmasked_irq(vcpu))
- do_sched_op_compat(SCHEDOP_block, 0);
-
- INIT_PAL_STATUS_SUCCESS(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_cache_read(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_cache_write(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_bus_get_features(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_cache_summary(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_cache_init(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_SUCCESS(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_cache_info(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_cache_prot_info(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_mem_attrib(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_debug_info(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_fixed_addr(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_freq_base(VCPU *vcpu) {
- struct ia64_pal_retval result;
- struct ia64_sal_retval isrv;
-
- PAL_CALL(result,PAL_FREQ_BASE, 0, 0, 0);
- /*
- * PAL_FREQ_BASE may not be implemented in some platforms,
- * call SAL instead.
- */
- if (result.v0 == 0) {
- SAL_CALL(isrv, SAL_FREQ_BASE,
- SAL_FREQ_BASE_PLATFORM, 0, 0, 0, 0, 0, 0);
- result.status = isrv.status;
- result.v0 = isrv.v0;
- result.v1 = result.v2 = 0;
- }
- return result;
-}
-
-static struct ia64_pal_retval
-pal_freq_ratios(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- PAL_CALL(result, PAL_FREQ_RATIOS, 0, 0, 0);
- return result;
-}
-
-static struct ia64_pal_retval
-pal_halt_info(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_logical_to_physica(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_perf_mon_info(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_proc_get_features(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_ptce_info(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_register_info(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_rse_info(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_test_info(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_vm_summary(VCPU *vcpu) {
- pal_vm_info_1_u_t vminfo1;
- pal_vm_info_2_u_t vminfo2;
- struct ia64_pal_retval result;
-
- PAL_CALL(result, PAL_VM_SUMMARY, 0, 0, 0);
- if (!result.status) {
- vminfo1.pvi1_val = result.v0;
- vminfo1.pal_vm_info_1_s.max_itr_entry = NITRS -1;
- vminfo1.pal_vm_info_1_s.max_dtr_entry = NDTRS -1;
- result.v0 = vminfo1.pvi1_val;
- vminfo2.pal_vm_info_2_s.impl_va_msb = GUEST_IMPL_VA_MSB;
- vminfo2.pal_vm_info_2_s.rid_size =
- current->domain->arch.rid_bits;
- result.v1 = vminfo2.pvi2_val;
- }
- return result;
-}
-
-static struct ia64_pal_retval
-pal_vm_info(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
-}
-
-static struct ia64_pal_retval
-pal_vm_page_size(VCPU *vcpu) {
- struct ia64_pal_retval result;
-
- INIT_PAL_STATUS_UNIMPLEMENTED(result);
-
- return result;
+ vcpu_set_gr(vcpu, 8, result.status, 0);
+ vcpu_set_gr(vcpu, 9, result.v0, 0);
+ vcpu_set_gr(vcpu, 10, result.v1, 0);
+ vcpu_set_gr(vcpu, 11, result.v2, 0);
}
void
-pal_emul(VCPU *vcpu) {
- u64 gr28;
- struct ia64_pal_retval result;
-
- vcpu_get_gr_nat(vcpu,28,&gr28); //bank1
-
- perfc_incrc(vmx_pal_emul);
- switch (gr28) {
- case PAL_CACHE_FLUSH:
- result = pal_cache_flush(vcpu);
- break;
-
- case PAL_PREFETCH_VISIBILITY:
- result = pal_prefetch_visibility(vcpu);
- break;
-
- case PAL_VM_TR_READ:
- result = pal_vm_tr_read(vcpu);
- break;
-
- case PAL_HALT:
- result = pal_halt(vcpu);
- break;
-
- case PAL_HALT_LIGHT:
- result = pal_halt_light(vcpu);
- break;
-
- case PAL_CACHE_READ:
- result = pal_cache_read(vcpu);
- break;
-
- case PAL_CACHE_WRITE:
- result = pal_cache_write(vcpu);
- break;
-
- case PAL_PLATFORM_ADDR:
- result = pal_platform_addr(vcpu);
- break;
-
- case PAL_FREQ_RATIOS:
- result = pal_freq_ratios(vcpu);
- break;
-
- case PAL_FREQ_BASE:
- result = pal_freq_base(vcpu);
- break;
-
- case PAL_BUS_GET_FEATURES :
- result = pal_bus_get_features(vcpu);
- break;
-
- case PAL_CACHE_SUMMARY :
- result = pal_cache_summary(vcpu);
- break;
-
- case PAL_CACHE_INIT :
- result = pal_cache_init(vcpu);
- break;
-
- case PAL_CACHE_INFO :
- result = pal_cache_info(vcpu);
- break;
-
- case PAL_CACHE_PROT_INFO :
- result = pal_cache_prot_info(vcpu);
- break;
-
- case PAL_MEM_ATTRIB :
- result = pal_mem_attrib(vcpu);
- break;
-
- case PAL_DEBUG_INFO :
- result = pal_debug_info(vcpu);
- break;
-
- case PAL_FIXED_ADDR :
- result = pal_fixed_addr(vcpu);
- break;
-
- case PAL_HALT_INFO :
- result = pal_halt_info(vcpu);
- break;
-
- case PAL_LOGICAL_TO_PHYSICAL :
- result = pal_logical_to_physica(vcpu);
- break;
-
- case PAL_PERF_MON_INFO :
- result = pal_perf_mon_info(vcpu);
- break;
-
- case PAL_PROC_GET_FEATURES:
- result = pal_proc_get_features(vcpu);
- break;
-
- case PAL_PTCE_INFO :
- result = pal_ptce_info(vcpu);
- break;
-
- case PAL_REGISTER_INFO :
- result = pal_register_info(vcpu);
- break;
-
- case PAL_RSE_INFO :
- result = pal_rse_info(vcpu);
- break;
-
- case PAL_TEST_PROC :
- result = pal_test_info(vcpu);
- break;
-
- case PAL_VM_SUMMARY :
- result = pal_vm_summary(vcpu);
- break;
-
- case PAL_VM_INFO :
- result = pal_vm_info(vcpu);
- break;
-
- case PAL_VM_PAGE_SIZE :
- result = pal_vm_page_size(vcpu);
- break;
-
- default:
- panic_domain(vcpu_regs(vcpu),"pal_emul(): guest "
- "call unsupported pal" );
- }
- set_pal_result(vcpu, result);
-}
-
-void
-sal_emul(VCPU *v) {
+sal_emul(struct vcpu *v)
+{
struct sal_ret_values result;
result = sal_emulator(vcpu_get_gr(v, 32), vcpu_get_gr(v, 33),
vcpu_get_gr(v, 34), vcpu_get_gr(v, 35),
vcpu_get_gr(v, 36), vcpu_get_gr(v, 37),
vcpu_get_gr(v, 38), vcpu_get_gr(v, 39));
- set_sal_result(v, result);
+
+ vcpu_set_gr(v, 8, result.r8, 0);
+ vcpu_set_gr(v, 9, result.r9, 0);
+ vcpu_set_gr(v, 10, result.r10, 0);
+ vcpu_set_gr(v, 11, result.r11, 0);
}
diff -r c13c3bd7f3b5 -r fffb36174ddb xen/arch/ia64/xen/fw_emul.c
--- a/xen/arch/ia64/xen/fw_emul.c Wed Oct 18 22:06:23 2006 -0600
+++ b/xen/arch/ia64/xen/fw_emul.c Wed Oct 18 22:06:38 2006 -0600
@@ -26,9 +26,11 @@
#include <public/sched.h>
#include "hpsim_ssc.h"
#include <asm/vcpu.h>
+#include <asm/vmx_vcpu.h>
#include <asm/dom_fw.h>
#include <asm/uaccess.h>
#include <xen/console.h>
+#include <xen/hypercall.h>
extern unsigned long running_on_sim;
@@ -173,6 +175,10 @@ xen_pal_emulator(unsigned long index, u6
break;
case PAL_FREQ_BASE:
status = ia64_pal_freq_base(&r9);
+ if (status == PAL_STATUS_UNIMPLEMENTED) {
+ status = ia64_sal_freq_base(0, &r9, &r10);
+ r10 = 0;
+ }
break;
case PAL_PROC_GET_FEATURES:
status = ia64_pal_proc_get_features(&r9,&r10,&r11);
@@ -215,7 +221,7 @@ xen_pal_emulator(unsigned long index, u6
{
/* Use xen-specific values.
hash_tag_id is somewhat random! */
- const pal_vm_info_1_u_t v1 =
+ static const pal_vm_info_1_u_t v1 =
{.pal_vm_info_1_s =
{ .vw = 1,
.phys_add_size = 44,
@@ -232,11 +238,12 @@ xen_pal_emulator(unsigned long index, u6
.num_tc_levels = 1
#endif
}};
- const pal_vm_info_2_u_t v2 =
- { .pal_vm_info_2_s =
- { .impl_va_msb = 50,
- .rid_size = current->domain->arch.rid_bits,
- .reserved = 0 }};
+ pal_vm_info_2_u_t v2;
+ v2.pvi2_val = 0;
+ v2.pal_vm_info_2_s.rid_size =
+ current->domain->arch.rid_bits;
+ v2.pal_vm_info_2_s.impl_va_msb =
+ VMX_DOMAIN(current) ? GUEST_IMPL_VA_MSB : 50;
r9 = v1.pvi1_val;
r10 = v2.pvi2_val;
status = PAL_STATUS_SUCCESS;
@@ -294,9 +301,20 @@ xen_pal_emulator(unsigned long index, u6
status = ia64_pal_register_info(in1, &r9, &r10);
break;
case PAL_CACHE_FLUSH:
- /* FIXME */
- printk("PAL_CACHE_FLUSH NOT IMPLEMENTED!\n");
- BUG();
+ /* Always call Host Pal in int=0 */
+ in2 &= ~PAL_CACHE_FLUSH_CHK_INTRS;
+
+ /*
+ * Call Host PAL cache flush
+ * Clear psr.ic when call PAL_CACHE_FLUSH
+ */
+ r10 = in3;
+ status = ia64_pal_cache_flush(in1, in2, &r10, &r9);
+
+ if (status != 0)
+ panic_domain(NULL, "PAL_CACHE_FLUSH ERROR, "
+ "status %lx", status);
+
break;
case PAL_PERF_MON_INFO:
{
@@ -343,15 +361,26 @@ xen_pal_emulator(unsigned long index, u6
}
break;
case PAL_HALT:
- if (current->domain == dom0) {
- printf ("Domain0 halts the machine\n");
- console_start_sync();
- (*efi.reset_system)(EFI_RESET_SHUTDOWN,0,0,NULL);
- }
- else
- domain_shutdown (current->domain,
- SHUTDOWN_poweroff);
- break;
+ if (current->domain == dom0) {
+ printf ("Domain0 halts the machine\n");
+ console_start_sync();
+ (*efi.reset_system)(EFI_RESET_SHUTDOWN,0,0,NULL);
+ }
+ else
+ domain_shutdown(current->domain, SHUTDOWN_poweroff);
+ break;
+ case PAL_HALT_LIGHT:
+ if (VMX_DOMAIN(current)) {
+ /* Called by VTI. */
+ if (!is_unmasked_irq(current))
+ do_sched_op_compat(SCHEDOP_block, 0);
+ status = PAL_STATUS_SUCCESS;
+ }
+ break;
+ case PAL_PLATFORM_ADDR:
+ if (VMX_DOMAIN(current))
+ status = PAL_STATUS_SUCCESS;
+ break;
default:
printk("xen_pal_emulator: UNIMPLEMENTED PAL CALL %lu!!!!\n",
index);
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