Merge remote-tracking branch 'remotes/xtensa/tags/20141103-xtensa' into staging

Xtensa fixes and improvements 2014-11-03:
- build fixes for cores w/o windowed registers and with profiling
  interrupts;
- fix uImage load address for MMUv2 cores;
- add script for automatic core import from xtensa configuration overlay.

# gpg: Signature made Sun 02 Nov 2014 22:04:44 GMT using RSA key ID F83FA044
# gpg: Good signature from "Max Filippov <max.filippov@cogentembedded.com>"
# gpg:                 aka "Max Filippov <jcmvbkbc@gmail.com>"

* remotes/xtensa/tags/20141103-xtensa:
  MAINTAINERS: update xtensa boards
  target-xtensa: fix build for cores w/o windowed registers
  target-xtensa: add core importing script
  hw/xtensa/xtfpga: treat uImage load address as virtual
  hw/core/loader: implement address translation in uimage loader
  target-xtensa: avoid duplicate timer interrupt delivery
  target-xtensa: tests: pre-process tests linker script
  target-xtensa: add definition for XTHAL_INTTYPE_PROFILING

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

11 files changed, 31 insertions, 15 deletions

diff --git a/hw/arm/boot.c b/hw/arm/boot.c
index bffbea5..0014c34 100644
--- a/hw/arm/boot.c
+++ b/hw/arm/boot.c
@@ -580,7 +580,7 @@ void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info *info)
     entry = elf_entry;
     if (kernel_size < 0) {
         kernel_size = load_uimage(info->kernel_filename, &entry, NULL,
-                                  &is_linux);
+                                  &is_linux, NULL, NULL);
     }
     /* On aarch64, it's the bootloader's job to uncompress the kernel. */
     if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64) && kernel_size < 0) {
diff --git a/hw/core/loader.c b/hw/core/loader.c
index 5f3a859..bbe6eb3 100644
--- a/hw/core/loader.c
+++ b/hw/core/loader.c
@@ -477,7 +477,9 @@ static ssize_t gunzip(void *dst, size_t dstlen, uint8_t *src,
 
 /* Load a U-Boot image.  */
 static int load_uboot_image(const char *filename, hwaddr *ep, hwaddr *loadaddr,
-                            int *is_linux, uint8_t image_type)
+                            int *is_linux, uint8_t image_type,
+                            uint64_t (*translate_fn)(void *, uint64_t),
+                            void *translate_opaque)
 {
     int fd;
     int size;
@@ -511,6 +513,9 @@ static int load_uboot_image(const char *filename, hwaddr *ep, hwaddr *loadaddr,
     switch (hdr->ih_type) {
     case IH_TYPE_KERNEL:
         address = hdr->ih_load;
+        if (translate_fn) {
+            address = translate_fn(translate_opaque, address);
+        }
         if (loadaddr) {
             *loadaddr = hdr->ih_load;
         }
@@ -587,15 +592,19 @@ out:
 }
 
 int load_uimage(const char *filename, hwaddr *ep, hwaddr *loadaddr,
-                int *is_linux)
+                int *is_linux,
+                uint64_t (*translate_fn)(void *, uint64_t),
+                void *translate_opaque)
 {
-    return load_uboot_image(filename, ep, loadaddr, is_linux, IH_TYPE_KERNEL);
+    return load_uboot_image(filename, ep, loadaddr, is_linux, IH_TYPE_KERNEL,
+                            translate_fn, translate_opaque);
 }
 
 /* Load a ramdisk.  */
 int load_ramdisk(const char *filename, hwaddr addr, uint64_t max_sz)
 {
-    return load_uboot_image(filename, NULL, &addr, NULL, IH_TYPE_RAMDISK);
+    return load_uboot_image(filename, NULL, &addr, NULL, IH_TYPE_RAMDISK,
+                            NULL, NULL);
 }
 
 /* This simply prevents g_malloc in the function below from allocating
diff --git a/hw/m68k/an5206.c b/hw/m68k/an5206.c
index a9ac270..f1f1350 100644
--- a/hw/m68k/an5206.c
+++ b/hw/m68k/an5206.c
@@ -74,7 +74,8 @@ static void an5206_init(MachineState *machine)
                            NULL, NULL, 1, ELF_MACHINE, 0);
     entry = elf_entry;
     if (kernel_size < 0) {
-        kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL);
+        kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL,
+                                  NULL, NULL);
     }
     if (kernel_size < 0) {
         kernel_size = load_image_targphys(kernel_filename, KERNEL_LOAD_ADDR,
diff --git a/hw/m68k/dummy_m68k.c b/hw/m68k/dummy_m68k.c
index 957ef82..facd561 100644
--- a/hw/m68k/dummy_m68k.c
+++ b/hw/m68k/dummy_m68k.c
@@ -50,7 +50,8 @@ static void dummy_m68k_init(MachineState *machine)
                                NULL, NULL, 1, ELF_MACHINE, 0);
         entry = elf_entry;
         if (kernel_size < 0) {
-            kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL);
+            kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL,
+                                      NULL, NULL);
         }
         if (kernel_size < 0) {
             kernel_size = load_image_targphys(kernel_filename,
diff --git a/hw/m68k/mcf5208.c b/hw/m68k/mcf5208.c
index 188230f..a01a445 100644
--- a/hw/m68k/mcf5208.c
+++ b/hw/m68k/mcf5208.c
@@ -279,7 +279,8 @@ static void mcf5208evb_init(MachineState *machine)
                            NULL, NULL, 1, ELF_MACHINE, 0);
     entry = elf_entry;
     if (kernel_size < 0) {
-        kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL);
+        kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL,
+                                  NULL, NULL);
     }
     if (kernel_size < 0) {
         kernel_size = load_image_targphys(kernel_filename, 0x40000000,
diff --git a/hw/microblaze/boot.c b/hw/microblaze/boot.c
index 6bf36d0..a2843cd 100644
--- a/hw/microblaze/boot.c
+++ b/hw/microblaze/boot.c
@@ -154,7 +154,8 @@ void microblaze_load_kernel(MicroBlazeCPU *cpu, hwaddr ddr_base,
         if (kernel_size < 0) {
             hwaddr uentry, loadaddr;
 
-            kernel_size = load_uimage(kernel_filename, &uentry, &loadaddr, 0);
+            kernel_size = load_uimage(kernel_filename, &uentry, &loadaddr, 0,
+                                      NULL, NULL);
             boot_info.bootstrap_pc = uentry;
             high = (loadaddr + kernel_size + 3) & ~3;
         }
diff --git a/hw/openrisc/openrisc_sim.c b/hw/openrisc/openrisc_sim.c
index c110033..1da0657 100644
--- a/hw/openrisc/openrisc_sim.c
+++ b/hw/openrisc/openrisc_sim.c
@@ -72,7 +72,7 @@ static void cpu_openrisc_load_kernel(ram_addr_t ram_size,
         entry = elf_entry;
         if (kernel_size < 0) {
             kernel_size = load_uimage(kernel_filename,
-                                      &entry, NULL, NULL);
+                                      &entry, NULL, NULL, NULL, NULL);
         }
         if (kernel_size < 0) {
             kernel_size = load_image_targphys(kernel_filename,
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index 16c85ef..2157d87 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -830,7 +830,8 @@ void ppce500_init(MachineState *machine, PPCE500Params *params)
          * Hrm. No ELF image? Try a uImage, maybe someone is giving us an
          * ePAPR compliant kernel
          */
-        kernel_size = load_uimage(filename, &bios_entry, &loadaddr, NULL);
+        kernel_size = load_uimage(filename, &bios_entry, &loadaddr, NULL,
+                                  NULL, NULL);
         if (kernel_size < 0) {
             fprintf(stderr, "qemu: could not load firmware '%s'\n", filename);
             exit(1);
diff --git a/hw/ppc/ppc440_bamboo.c b/hw/ppc/ppc440_bamboo.c
index 81a06d3..778970a 100644
--- a/hw/ppc/ppc440_bamboo.c
+++ b/hw/ppc/ppc440_bamboo.c
@@ -253,7 +253,8 @@ static void bamboo_init(MachineState *machine)
 
     /* Load kernel. */
     if (kernel_filename) {
-        success = load_uimage(kernel_filename, &entry, &loadaddr, NULL);
+        success = load_uimage(kernel_filename, &entry, &loadaddr, NULL,
+                              NULL, NULL);
         if (success < 0) {
             success = load_elf(kernel_filename, NULL, NULL, &elf_entry,
                                &elf_lowaddr, NULL, 1, ELF_MACHINE, 0);
diff --git a/hw/xtensa/pic_cpu.c b/hw/xtensa/pic_cpu.c
index e2005bd..18825d1 100644
--- a/hw/xtensa/pic_cpu.c
+++ b/hw/xtensa/pic_cpu.c
@@ -31,14 +31,14 @@
 
 void xtensa_advance_ccount(CPUXtensaState *env, uint32_t d)
 {
-    uint32_t old_ccount = env->sregs[CCOUNT];
+    uint32_t old_ccount = env->sregs[CCOUNT] + 1;
 
     env->sregs[CCOUNT] += d;
 
     if (xtensa_option_enabled(env->config, XTENSA_OPTION_TIMER_INTERRUPT)) {
         int i;
         for (i = 0; i < env->config->nccompare; ++i) {
-            if (env->sregs[CCOMPARE + i] - old_ccount <= d) {
+            if (env->sregs[CCOMPARE + i] - old_ccount < d) {
                 xtensa_timer_irq(env, i, 1);
             }
         }
diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c
index 0100c31..e5a6bba 100644
--- a/hw/xtensa/xtfpga.c
+++ b/hw/xtensa/xtfpga.c
@@ -328,7 +328,8 @@ static void lx_init(const LxBoardDesc *board, MachineState *machine)
         } else {
             hwaddr ep;
             int is_linux;
-            success = load_uimage(kernel_filename, &ep, NULL, &is_linux);
+            success = load_uimage(kernel_filename, &ep, NULL, &is_linux,
+                                  translate_phys_addr, cpu);
             if (success > 0 && is_linux) {
                 entry_point = ep;
             } else {