Merge remote-tracking branch 'remotes/philmd/tags/avr-20210315' into staging

AVR patches queue

- Only reset 'interrupt_request' mask once all interrupts executed
- Documentation and typo fixes

# gpg: Signature made Sun 14 Mar 2021 23:45:34 GMT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd/tags/avr-20210315:
  target/avr: Fix interrupt execution
  target/avr: Fix some comment spelling errors
  hw/avr/arduino: List board schematic links
  hw/misc/led: Add yellow LED

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

1 files changed, 6 insertions, 4 deletions

diff --git a/target/avr/helper.c b/target/avr/helper.c
index 65880b9928..35e1019594 100644
--- a/target/avr/helper.c
+++ b/target/avr/helper.c
@@ -49,7 +49,9 @@ bool avr_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
             cc->tcg_ops->do_interrupt(cs);
 
             env->intsrc &= env->intsrc - 1; /* clear the interrupt */
-            cs->interrupt_request &= ~CPU_INTERRUPT_HARD;
+            if (!env->intsrc) {
+                cs->interrupt_request &= ~CPU_INTERRUPT_HARD;
+            }
 
             ret = true;
         }
@@ -98,7 +100,7 @@ int avr_cpu_memory_rw_debug(CPUState *cs, vaddr addr, uint8_t *buf,
 
 hwaddr avr_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
 {
-    return addr; /* I assume 1:1 address correspondance */
+    return addr; /* I assume 1:1 address correspondence */
 }
 
 bool avr_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
@@ -299,7 +301,7 @@ void helper_outb(CPUAVRState *env, uint32_t port, uint32_t data)
 }
 
 /*
- *  this function implements LD instruction when there is a posibility to read
+ *  this function implements LD instruction when there is a possibility to read
  *  from a CPU register
  */
 target_ulong helper_fullrd(CPUAVRState *env, uint32_t addr)
@@ -323,7 +325,7 @@ target_ulong helper_fullrd(CPUAVRState *env, uint32_t addr)
 }
 
 /*
- *  this function implements ST instruction when there is a posibility to write
+ *  this function implements ST instruction when there is a possibility to write
  *  into a CPU register
  */
 void helper_fullwr(CPUAVRState *env, uint32_t data, uint32_t addr)