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  1. 21 Sep, 2018 1 commit
    • Daniel Boulby's avatar
      Ensure the flow through switch statements is clear · a08a2014
      Daniel Boulby authored 
      

Ensure case clauses:
*   Terminate with an unconditional break, return or goto statement.
*   Use conditional break, return or goto statements as long as the end
    of the case clause is unreachable; such case clauses must terminate
    with assert(0) /* Unreachable */ or an unconditional  __dead2 function
    call
*   Only fallthough when doing otherwise would result in less
    readable/maintainable code; such case clauses must terminate with a
    /* Fallthrough */ comment to make it clear this is the case and
    indicate that a fallthrough is intended.

This reduces the chance of bugs appearing due to unintended flow through a
switch statement

Change-Id: I70fc2d1f4fd679042397dec12fd1982976646168
Signed-off-by: default avatarDaniel Boulby <daniel.boulby@arm.com>
      a08a2014
  3. 30 Aug, 2018 1 commit
  5. 26 Mar, 2018 1 commit
  7. 09 Feb, 2018 1 commit
    • Santeri Salko's avatar
      qemu: Fix interrupt type check · 53a98be3
      Santeri Salko authored 
      

Function plat_ic_get_pending_interrupt_type() should return interrupt
type, not id. The function is used in aarch64 exception handling and
currently the irq/fiq forwarding fails if a secure interrupt happens while
running normal world.

The qemu-specific gic file does not contain any extra functionality so it
can be removed and common file can be used instead.

fixes arm-software/tf-issues#546
Signed-off-by: default avatarSanteri Salko <santeri.salko@gmail.com>
      53a98be3
  9. 13 Nov, 2017 1 commit
    • Jeenu Viswambharan's avatar
      GIC: Introduce API to get interrupt ID · 4ee8d0be
      Jeenu Viswambharan authored 
      

Acknowledging interrupt shall return a raw value from the interrupt
controller in which the actual interrupt ID may be encoded. Add a
platform API to extract the actual interrupt ID from the raw value
obtained from interrupt controller.

Document the new function. Also clarify the semantics of interrupt
acknowledge.

Change-Id: I818dad7be47661658b16f9807877d259eb127405
Signed-off-by: default avatarJeenu Viswambharan <jeenu.viswambharan@arm.com>
      4ee8d0be
  11. 16 Oct, 2017 10 commits
  13. 03 May, 2017 1 commit
  15. 09 Dec, 2015 1 commit
    • Soby Mathew's avatar
      Prepare platforms to use refactored ARM GIC drivers · f14d1886
      Soby Mathew authored 
      This patch adds platform helpers for the new GICv2 and GICv3 drivers in
plat_gicv2.c and plat_gicv3.c. The platforms can include the appropriate
file in their build according to the GIC driver to be used. The existing
plat_gic.c is only meant for the legacy GIC driver.

In the case of ARM platforms, the major changes are as follows:

1. The crash reporting helper macro `arm_print_gic_regs` that prints the GIC CPU
   interface register values has been modified to detect the type of CPU
   interface being used (System register or memory mappped interface) before
   using the right interface to print the registers.

2. The power management helper function that is called after a core is powered
   up has been further refactored. This is to highlight that the per-cpu
   distributor interface should be initialised only when the core was originally
   powered down using the CPU_OFF PSCI API and not when the CPU_SUSPEND PSCI API
   was used.

3. In the case of CSS platforms, the system power domain restore helper
   `arm_system_pwr_domain_resume()` is now only invoked in the `suspend_finish`
   handler as the system power domain is always expected to be initialized when
   the `on_finish` handler is invoked.

Change-Id: I7fc27d61fc6c2a60cea2436b676c5737d0257df6
      f14d1886