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fix(native-usb): prevent transmit-bank starvation and retain battery telemetry

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This commit is contained in:
Joey Yakimowich-Payne 2026-09-13 21:00:17 -06:00
commit a699a6920b
16 changed files with 342 additions and 82 deletions
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31
tests/native_hub_stubs/hardware_stub.h
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@ -5,14 +5,28 @@
#include <string.h>
#define __not_in_flash_func(name) name
#define __no_inline_not_in_flash_func(name) __attribute__((noinline)) name
#define __force_inline inline __attribute__((always_inline))
#define __dmb() ((void)0)
typedef struct { unsigned unused; } spin_lock_t;
static inline uint32_t save_and_disable_interrupts(void) { return 0; }
static inline void restore_interrupts(uint32_t flags) { (void)flags; }
static inline uint32_t spin_lock_blocking(spin_lock_t* lock) { (void)lock; return 0; }
static inline void spin_unlock(spin_lock_t* lock, uint32_t flags) { (void)lock; (void)flags; }
extern uint32_t native_test_interrupt_mask;
void native_test_service_interrupt(void);
static inline uint32_t save_and_disable_interrupts(void) {
uint32_t flags = native_test_interrupt_mask;
native_test_interrupt_mask = 1;
return flags;
}
static inline void restore_interrupts(uint32_t flags) {
native_test_interrupt_mask = flags;
native_test_service_interrupt();
}
static inline uint32_t spin_lock_blocking(spin_lock_t* lock) {
(void)lock; return save_and_disable_interrupts();
}
static inline void spin_unlock(spin_lock_t* lock, uint32_t flags) {
(void)lock; restore_interrupts(flags);
}
static inline bool spin_try_lock_unsafe(spin_lock_t* lock) { (void)lock; return true; }
static inline void spin_unlock_unsafe(spin_lock_t* lock) { (void)lock; }
static inline int spin_lock_claim_unused(bool required) { (void)required; return 0; }
@ -20,13 +34,13 @@ static inline spin_lock_t* spin_lock_instance(unsigned index) {
static spin_lock_t lock; (void)index; return &lock;
}
static inline void hw_clear_bits(volatile uint32_t* address, uint32_t bits) { *address &= ~bits; }
static inline void hw_set_bits(volatile uint32_t* address, uint32_t bits) { *address |= bits; }
typedef struct {
volatile uint32_t ints, sie_status, buf_status, dev_addr_ctrl, inte;
volatile uint32_t ep_stall_arm, muxing, phy_direct, phy_direct_override;
volatile uint32_t pwr, main_ctrl, sie_ctrl, ep_nak_stall_status;
volatile uint32_t ep_tx_error, ep_rx_error;
volatile uint32_t abort, abort_done;
} usb_hw_t;
typedef struct { volatile uint32_t in, out; } usb_pair_t;
typedef struct {
@ -46,6 +60,13 @@ extern sio_hw_t native_test_sio;
#define USBCTRL_DPRAM_BASE ((uintptr_t)usb_dpram)
#define USB_DPRAM_SIZE sizeof(*usb_dpram)
extern bool native_test_abort_stuck;
static inline void hw_set_bits(volatile uint32_t* address, uint32_t bits) {
*address |= bits;
if (address == &usb_hw->abort && !native_test_abort_stuck)
usb_hw->abort_done |= bits;
}
#define USB_BUF_CTRL_LEN_MASK 0x3ffu
#define USB_BUF_CTRL_AVAIL (1u << 10)
#define USB_BUF_CTRL_STALL (1u << 11)